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UNI-T UT211B Clamp Meter This product comes with a 3-year warranty. UNI-T UT211B SPECIFICATIONS: AC currents 600mA/6000mA/60A ±(1.5%+10) 60A DC />600 A ±(2%+3) AC voltage 6V/60V/600V ±(0.8%+3) Direct voltage 600mV/6V/60V/600V ±(0.7%+3) Resistance 600%+3) Direct voltage 600 mV/6 V/60 V/600 V ±(0.7% + 3) Resistance 600%+3) ±(0.8%+2) Capacitance 6.2 nF–62 mF ±(4%+5) FUNCTIONS: Display range 6000 Automatic range TRMS Diode test VFC mode D NCVD D Backlight Auto power off Continuity buzzer Low battery indicator Input protection Input impedance DCV 10MΩ+ GENERAL FEATURES: Power: 2x1.5V AAA batteries Weight: 170g Dimensions: 175x60x33mm Display size: 39.3x26.5mm ACCESSORIES: Carrying case, batteries, test leads, manual

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UNI-T UT505B Multimeter Insulation Resistance Tester This product comes with a 3-year warranty. UNI-T UT505B Portable Insulation Resistance Tester - great value in a small, ergonomic body - Voltage testing from 50V to 1000V will not trigger an RCD with a test current rating lower than 1000V - TRMS, a host of functions, automatic range switching - CATIII 1000V, CATIV 600V Functions: - Step voltage, steps of 10% to 50% ~ 120% of the range - dielectric absorption and DAR1560 index 60s/30s - Polarisation index (PI) - comparison - timer - high voltage indication - automatic range switching - true RMS - automatic range switching - continuity buzzer - low battery indicator ->- 9 data logging -> data logging -> backlight Specifications: Insulation resistance: - test voltage: 50V / 100V / 250V / 500V / 1000V - 50V 0.01MΩ ~ 50.0MΩ ~ 50.0MΩ ~ 50.0MΩ ~ 50.0MΩ ~ 50.0MΩ ~ 50.0MΩ ~ 50.0MΩ ± (M/0.0MΩ) 1GΩ ± (3%+3) - 100V 1GΩ ~ 10GΩ ± (10%+3) - 100V 0.01MΩ ~ 100.0MΩ ± (3%+3) - 100V 100V 100MΩ +-3)Ω -3) 250V 1GΩ ~ 20GΩ ± (10%+3) - 250V 0.01MΩ ~ 200.0MΩ ± (1.5%+5) - 250V 200MΩ ~ 1GΩ ± (1.5%+5) ±0. (10%+3) - 500V 0.01MΩ ~ 500MΩ ± (1.5%+5) - 500V 500MΩ ~ 1GΩ ± (1.5%+5) - 1000V 1G/0Ω ± (5) - 1000V 1G/0Ω ±1) (100%+0Ω) 0.1MΩ ~ 2000MΩ ± (1.5%+5) - 1000V 2GΩ ~ 9.9GΩ ± (5%+3) - 1000V 10GΩ ~ 20GΩ ± (7%+3) - 1000V ~±20GΩ (5%+3) - 1000V 10GΩ ~ 20GΩ ± (7%+3) - 1000V ~±20GΩ (20GΩ) - load current 1mA (50V@50kΩ, 100V@100kΩ, 250V@250kΩ, 500V@500kΩ, 1000V@1MΩ) - short-circuit current <3mA - leakage current: 10%/A+± 20 (10% u+-20) low resistance: 0.01Ω ~ 100KΩ ± (1.5%+3) approx. 5.0V/>200mA/20mA - General resistance: 0.01kΩ ~ 200GΩ ± (3%+3) - DC voltage: 0–600 mA/20 mA ± 0–600 V AC -3) ± (1.5%+5) Frequency: 45 ~ 1kHz ± (0.1%+3) Capacitance: 100pF ~ 500uF ± (5%+35 General characteristics: Battery power: LR6 - Display size: 78x59mm - weight: 630g - dimensions: 103x225x59 mm Accessories: test leads, probe, alligator clip, batteries, manuals, carrying case Manufacturer: UNI-TREND/ /

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This product comes with a 3-year warranty. The UTD2102CEX+ oscilloscope is a high-performance, multifunctional desktop digital oscilloscope from the UTD2000CEX+ series, which is easy to operate, has excellent technical specifications, and features two analogue input channels, offering a bandwidth of 100 MHz/GS with a sampling rate of 1. It is equipped with a seven-inch TFT colour display with a resolution of 800 x 480 pixels. The oscilloscope has an internal memory with a depth of 64 kpts and a CEX-II waveform capture rate of up to 20,000 wfms/s, and allows automatic measurement of up to 34 signals/mathematical parameters. The simple front panel with clearly marked functions for basic operations, scaling and positioning of individual channels allows users to apply the skills acquired from using traditional instruments, so that the oscilloscope can be used without the need to learn anything complicated and can be used for long periods without fatigue. In addition, the device can be easily set up by pressing the AUTO button. The oscilloscope supports USB storage, and thanks to the USB OTG function, you can save measured values to a USB flash drive. It also supports communication with a computer via USB plug and play. The option to download software for connecting to a PC and updating the firmware is available on the manufacturer’s website: https://instruments.uni-trend.com/digital-oscilloscopes/947.html You can download the data sheet from the manufacturer’s website: http://unitrend.oss-cn-hongkong.aliyuncs.com/20220526/1653549897498061.pdf Product specifications: - bandwidth: 100MHz - number of input channels: 2: - (1MΩ±2%)//(24pF±3pF) - compensated signal input: within the range of 3Vpp/1kHz - max. input voltage: 400Vpk, max. transient 1000Vpk - sampling rate: 1 GS/s - base time range: 2 ns/div to 50 s/div - rise time: ≤ 3.5 ns - vertical axis: 1 mV/div to 20 V/div (1 mV/div), each channel has a separate vertical resolution: - DC gain accuracy: ±3% - saved recording length: 2 x 512k sample points - memory depth: one channel 64kpts, two channels 2 x 32kpts - Triggering: Edge, Pulse, Video, Slope, Alternating waveform A-B, A+- mathematical triggering. AxB, A/B, FFT, Editable Advanced, Filter - automatic measurement of signal parameters: Max, Min, High, Low, Middle, Pk-Pk, Amplitude, Mean, Cycle Mean, RMS, Cycle RMS, Area, Cycle Area, Overshoot, Pre-shoot, Period, Freq, Rise, Fall - Width, +, - Duty, RiseDelay, FallDelay, Phase, FRFR, FRFF, FFFR, FFFF, FRLF, FRLR, FFLR, FFLF - number of measurements: 5 simultaneous measurements - statistical measurement: mean, Max, Min, standard deviation, number of measurements - frequency counter: 6-bit, USB-UX interface, standard LAN: USB-UX, (Trig Out, Pass/Fail) - on-screen software buttons - on-screen software keyboard for naming saved files - number of files stored in the oscilloscope memory/USB flash drive: 20/200 - Saving the current screen as a BMP file to a USB flash drive - multilingual menu in Spanish, German, English, German, English, German, others (Russian) Technical specifications: - display: TFT, diagonal 178 mm (7 inches), 800 x 480 pixels x RGB, max. brightness typically 300 nits - calibration interval: 1 year - power supply: 100V–240V AC, 45 to 440Hz - power consumption: max. 100VA - operating ambient temperature: 0°C to +40°C - operating ambient humidity: <35°C: ≤90% RH, 35°C to 40°C: ≤60% RH - Operating altitude: max. 2000m - Storage temperature: -20°C to +40°C - dimensions (W x H x D): 306 x 138 x 124 mm - Weight: net 2.5 kg, gross 3 kg Contents of individual package: U>+2 oscilloscope: 1 pc - 100MHz UT-P04 probe (with compensation and switchable 1x, 10x divider): 2 pcs - Detachable three-core power cable: 1 pc - UT-D14 USB cable: 1 pc - A quick installation guide with a link to the manufacturer’s instructions – usage Wholesale packaging: - Standard carton dimensions: 450 x 420 x 280 mm - Number of items per pack: 2 pcs - Carton weight: 8 kg Manufacturer: UNI>-TREND

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UNI-T UTD1025DL Oscilloscope The UTD1000DL series portable digital storage oscilloscope is a 2-channel portable device. It also has a bandwidth of 25 MHz and a sampling rate of 250 MS/s. It offers a simple, functional front panel, allowing you to perform all basic measurements and procedures without having to reach round to the back of the device. Use the AUTO button to make quick settings. Software for connecting to a PC can be downloaded from the manufacturer’s website: https://instruments.uni-trend.com/list_184/1059.html SPECIFICATIONS (oscilloscope): Channels 2 Bandwidth 25MHz Sampling rate MS/Sampling rate <200 <14 ns Memory depth 12 kps Vertical sensitivity 5 mV/div ~ 20 V/div Time base 10 ns/div ~ 50 s/div Save: bitmap, configuration, waveform Trigger modes: edge, communication interface, mini, communication interface USB SPECIFICATIONS (multimeter): DC voltage 400mV/4V/40V/400V ±(1%+5) AC voltage 400mV/4V/40V/400V ±(1.2%+5) DC current: 4000 μA ±(1.2% + 5), 40 mA, 4000 mA ±(1% + 5), 10 A ±(1.5% + 5) AC current 400μA, 4000μA ±(2%+5), 40mA, 4000mA ±(1.5%+5), (15%+5) resistance 400Ω, 4kΩ, 40kΩ, 400kΩ, 4MΩ ±(1.2%+5), 40MΩ ±(1.5%+5) Capacitance 51.20nF, 512nF, 5.120uF, 51.20uF+51.20uF, +-1.00uF, +-1. 4000 GENERAL CHARACTERISTICS: Dimensions: 199 mm x 118 mm x 49 mm Weight: 0.9 kg LCD size: 3.5", 320x240 Power: 100–240 V<br/60 A, 50/60 Hz Accessories: DC adapter, test leads, 1x/10x OSC probe, 10 A current divider, power cable, USB cable Manufacturer: UNI-TREND /en

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UNI-T UT221 Clamp Multimeter This product comes with a 3-year warranty. UNI-T UT221 Clamp Meter - 2000A SPECIFICATIONS AC currents 660A/2000A ±(2.5%/2000A + 60 mA/2000A) AC CURRENT ±(2.5%+5) AC voltage 6.6V/66V/660V/1000V ±(1.2%+5) DC voltage 6.6V/66V/660V/750V ±(0.8%+1) Resistance 660 Ω/6.6 kΩ/66 kΩ/666 kΩ/6.6 MΩ/66 MΩ ±(1%+2) Frequency 66 Hz/660 Hz/6.6 kHz/66 kHz/660 kHz/660 kHz/66. ±(0.1%+3) FUNCTIONS Display number 6600 Automatic radius Jaw opening 63mm TRMS Duty cycle Low-pass filter Ignition current Relative function Continuous test Continuity Data Hold Max/min mode Analogue Bar graph 66 I-OUT function Display backlight Logo display Auto power off Low battery indication Input impedance 10MΩ+ GENERAL FEATURES: Power: V/>Battery 298x100x48mm LCD size: 43x30mm Weight: 725g ACCESSORIES: Test leads, battery, carrying case, manual

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UNI-T UT208B Clamp Multimeter This product comes with a 3-year warranty. The UT208B digital clamp meter is used to measure AC and DC voltages up to 1000V, AC and DC currents up to 1000A, and frequency at low voltage (LV) and current up to 100000000000V at 400Hz and low voltage (mn) 10 Hz to 1 MHz. It features protection against voltages exceeding 1000 V and audible and visual alarms across all ranges. Four-digit multi-segment display measuring 43 x 45 mm with backlighting and a fast refresh rate (3 times/s). The maximum value that can be displayed is 6000. The display features a 31-point analogue scale (bar graph). The jaw opening allows measurement on cables with a diameter of up to 42 mm. The non-contact voltage detector (NCV) enables the detection of live conductors. Probe supplied – the tip cap on the test leads allows LV distribution measurements in CAT III without the risk of arcing. Without tip caps, the test leads can only be used on CAT II low-voltage distribution lines (e.g. 230 V sockets). With the closed K-type thermocouple (nickel-chromium–nickel-silicon temperature sensor), it allows temperature measurement from -40 °C to 1000 °C. The sensor is a sensitive Hall probe. Option to purchase a flexible loop for measuring currents up to 3000A. Power supply: 3 x 1.5V R03 batteries. The meter’s power consumption is approx. 1.8 mA. The device has an automatic power-saving function – after 15 minutes it enters standby mode, where it consumes only <50μA, which effectively extends battery life. The power-saving function can be disabled. Product specifications: - measurement of AC/DC voltage and current, resistance, diodes, continuity, capacitance - automatic polarity display - Measurement of low-voltage (LV) currents and voltages up to 1000 V-40 within the measurement range of low-voltage (LV) frequency in the range 10 Hz to 1 MHz - capacitance measurement from 60 nF to 60 mF - Temperature measurement from -40 to +1000 °C with a closed K-type thermocouple - measurement of the (relative) ratio of voltages and voltages and capacitances multiple visual protection voltages greater than 1000 V in ranges - NCV function – non-contact detection of live conductors - LoZ V function ~ measurement with low input impedance (approx. 2 kΩ) of the device - INRUSH function – measurement of transients up to 100 ms – inrush current on device start-up with an additional 3,000,000 loop at the LPF ACV function – AC voltage measurement with an NF filter (approx. 2.5 kHz) on inverters and variable-frequency drives - Frequency/duty cycle measurement function - Choice between automatic or manual switching - Built-in lamp - Accuracy of current and voltage measurement is guaranteed when using the range from 10% to 10%; within 5% of this range, it is necessary to change the range Technical parameters: 1. AC current measurement (ranges / resolution / accuracy): 60.00A / 0.010A / 40Hz ~ 400Hz ±(2.0%+9) 600.0A / 0.100A / 40Hz ~ 400Hz ±(2.0%+A)+1 40Hz ~ 400Hz ±(2.0%+5) - the frequency monitoring accuracy when measuring AC current in the range from 40 to 400 Hz is ± (0.1% + 3) at a resolution of 0.1 Hz - Overload protection at 1000A 2. AC inrush current measurement (ranges / resolution / accuracy): 60.00 A / 0.010 A / 40 Hz ~ 400 Hz ±(10.0% + 10) 600.0A / 0.100A / 40Hz ~ 400Hz ±(10.0%+10) 1000.0A / 1A / 40Hz ~ 400Hz ±(10.0%+10) - overload protection at 1000A with flexible current loop 30.00A / 0.000Hz / 40.010Hz ±(10.0%+10) 300.0A / 0.100A / 40Hz ~ 400Hz ±(10.0%+10) 3000.0A / 1A / 40Hz ~ 400Hz ±(10.0%+10) overload protection -10 3000A 3. DC current measurement (ranges / resolution / accuracy): 60.00A / 0.010A / ±(2.0%+5) 600.0A / 0.100A / ±(2.0%+5) 1000.0A / 1A / ±(2.0%+5) overload protection 2.0%/>-5 1000A 4. AC voltage measurement (range / resolution / accuracy): 6,000V / 0.001V / 40Hz ~ 400Hz ±(1.2%+3) 60.00V / 0.010V / 40Hz ~ 400Hz ~ 400Hz ±(1.2%+3) 60.00 V / 0.010 V / 40 Hz ~ 400 Hz ±(1.2% + 3) 0.100 V / 40 Hz ~ 400 Hz ±(1.0% + 8) 1000.0V / 1V / 40Hz ~ 400Hz ±(1.0%+8) - frequency monitoring accuracy when measuring AC voltage in the range from 40 Hz to +40.01 Hz - Overload protection at 1000 Vrms - Input impedance approx. 10 MΩ 5. LPF AC V (measurement with low-pass filter approx. 2.5 kHz) (range / resolution / accuracy): 600.0 V / 0.1 V / ±(2.0%+5) 1000.0 V / 1 V / ±(2.0% + 5) input overload protection at 1.0%–0.0 V at overload-rm approx. 10 MΩ 6. AC LPF V (measurement with low input impedance approx. 2 kΩ) (range / resolution / accuracy): 600.0 V / 0.1 V / ±(2.0%+5) 1000.0 V / 1 V / ±(2.0% + 5) - Input overload protection rm approx. 2kΩ 7. DC voltage measurement (range / resolution / accuracy): 600.0 mV / 0.100 mV / ±(0.8%+3) 6,000 V / 0.001 V / ±(0.5%+3) 60.00 V / 0.010 V / 0.010 V / +0.05 V / 0.100 V / ±(0.5%+3) 1000.0 V / 1 V / ±(0.5%+3) - overload protection at 1000Vrms - input impedance approx. 10 MΩ 8. Resistance measurement (range / resolution / accuracy): 600.0Ω / 0.1Ω / ±(1.0%+3) 6,000 kΩ / 0.001 kΩ / ±(1.0% + 2) 60.00 kΩ / 0.01 kΩ / 0.01 kΩ / % + 0.0,0,0,0,0,0,0,0,Ω /> 0.1 kΩ / ±(1.0% + 2) 6,000 MΩ / 0.001 MΩ / ±(2.0%+8) 60.00 MΩ / 0.01 MΩ / ±(2.0%+8) - overload protection at 1000 Vrms open-circuit voltage approx. - 1 V 9. Checking circuit continuity: - if the measured resistance is less than 30Ω, the continuity signal emits a beep - with a measured resistance greater than 70Ω, the open-circuit signal does not emit a beep - uncertainty between 31Ω and 69Ω - 600Ω, with a resolution of 0.1Ω - overload protection at 1000 Vrms 10. Diode measurement: - in the forward direction, the voltage drop across the semiconductor junction is less than or equal to 2V - for a silicon junction, a typical voltage drop is 0.5 to 0.8V - open-circuit voltage of approximately 3.0V - measurement in the 000V range, with a resolution of 6.00 V, 0.001 V 11. Capacitance measurement (range / resolution / accuracy): 60.00 nF / 0.01 nF / ±(4.0%+25) 600.0 nF / 0.1 nF / ±(4.0%+5) 6,000 μF / 0.001 μF ±(4.0%+5) 60.00 μF / 0.01 μF / ±(4.0% + 5) 600.0 μF / 0.1 μF / ±(4.0%+5) 6.000 mF / 0.001 mF / ±10.0% / 0.1 μF / 0.1 μF / ±(4.0%+5) / ±10.0%+9 - overload protection at 1000 Vrms 12. Temperature measurement (ranges / resolution / accuracy): -40°C to +300°C / 0.1°C / ± 1.0°C+20 +300°C to +1000°C / 1°C / ±(1.0%+2) +573°F to +1832°F / 1°F / ±(1.0%+4) 13. Frequency measurement and operating cycle (filling) (ranges / resolution / accuracy): frequency: 10 Hz to 1 MHz / 0.01 Hz to 1 kHz / ± (0.1% + 3) Fill: 10% to 99.1% / ±99.0% / ±7) - Note 1) Measurement sensitivity: 10 Hz to 100 kHz: 250 mVrms ≤ input amplitude ≤ 20 V RMS 100 kHz to 10 MHz: 600 mV RMS ≤ input amplitude ≤ 20 V RMS Note: 2) Performance measurement (duty cycle) is applicable only to square waves from 10 Hz to 10 kHz: 2Vpp ≤ input amplitude ≤ 20V p-p - overload protection at 1000 Vrms 14. Non-contact electric field sensing (NCV): - allows detection of live wires - as the detected voltage increases, more segments of the bar graph will be displayed; with a higher value, the buzzer will sound more frequently and the LED will start flashing. (ratio) for voltage and capacitance measurement: yes - HOLD: yes - low battery indicator: yes - Auto power off: yes - Power supply: 1.5 V batteries (R03): 2 pcs - Backlit display size: 43 x 45 mm - Product dimensions: 81 x 27/4 x 81 x 27 mm. Product weight: 450g - Product colour: red and grey Package contents: - UT208B clamp multimeter: 1 pc - Test leads: 1 pair - K-type thermocouple up to 1000°C: 1 pc 3: >- (battery 3): user manual: 1 pc Wholesale packaging: - standard quantity per box: 5 pcs - standard box dimensions: 355 mm x 330 mm x 165 mm - standard gross weight per box: 4.5 kg UNI-TREND MANUFACTURE https://www.uni-trend.com/

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UNI-T UT216C Clamp Meter This product comes with a 3-year warranty. UNI-T UT216C SPECIFICATIONS AC currents 60A/600A ± (2.5%+5) Direct currents 60A/±200A/600A AC voltage 6V/60V/600V/750V ±(1.2%+5) DC voltage 600mV/6V/60V/600V/1000V ±(0.8%+1) Resistance 600Ω/6kΩ/60kΩ/600kΩ/6MΩ/6MΩ/6MΩ ±(1%+2) Capacitance 60nF/600nF/6μF/60μF/600μF/6mF/60mF ±(4%+5) Frequency 10Hz ~ 1MHz ±(0.1%+4) Temperature -100°C ±(2%+10)* FUNCTIONS Display count 6000 Automatic range Jaw capacity 30mm True RMS Diode test NCV VCF Data retention Minimum current mode/Regraf Maximum current Zero 61 Display backlight LED torch Auto power off Continuity buzzer Low battery indicator Input protection DC input impedance 10MΩ+ GENERAL FEATURES Power 3x 1.5V Dimensions 220x75x40mm LCD size 38x24mm Weight 231.7g ACCESSORIES: carrying case, test leads, batteries, manual, contact-type temperature probe

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This product comes with a 3-year warranty. The UNI-T UTi712S thermal imager is a cost-effective thermal imager with a high-quality build, operating in the infrared spectrum, designed to measure the surface temperature of objects in the range from -20°C to +400°C. Some special features include: temperature compensation (allowing for more accurate measurements in different temperature environments), a laser pointer, and longer battery life (over 8 hours). This durable thermal imaging camera has IP54 protection and can withstand a drop from a height of 2 metres. The UTi712S thermal imager will find wide application in the construction industry when searching for heat leaks in masonry, roofs or pipes, in the energy sector for identifying electrical faults, in cold storage facilities, in service centres when searching for overheated equipment, and in scientific research. Product specifications: - display: 2.4" LCD with a resolution of 320 x 240px - Temperature measurement range: from -20 °C to 400 °C with a resolution of 4 °F at 400 °C 120×90 - automatic high/low temperature alarm - automatic monitoring of hot/cold spots - colour palettes: 6 (Hot White, Hot Black, Ironbow, Rainbow HC, Rainbow, Lava) - alarm - Laser pointer - LEDs - 1 rechargeable battery - 1 rechargeable battery, mounting hole - 2 m drop-resistant - Auto-off: 5 min, 10 min, 30 min Technical specifications: - display: 2.4" LCD with a resolution of 320 x 240px - field of view (FOV): -385°<°br/>IR: 120×90 - thermal sensitivity (NETD): < 60 mK - Instantaneous field of view (IFOV): 7.3 mrad - frame rate: ≤25 Hz - spectral range: 8–14 µm - Temperature measurement range: -420 °C to °C (°F) - accuracy: ± 2°C / ± 2%, whichever is greater - Focusing mode: fixed focus - adjustable emissivity: 0.01 to 1.0 (default 0.95) - colour palettes: 6 ((Hot White, Hot Black, Ironbow, HC, Rainbow, HC, Rainbow Lava)) - high and low temperature alarm: yes (LED light alarm and LCD animation alarm) - image save format: BMP - Interface: microSD card with a maximum capacity of 16 GB - PC software analysis - a laser pointer - LED torch - menu language: English, French, Li-ion power supply, English, French, Li-ion (3.7V, 2600 mAh) - operating time per charge: ≥8 hours - USB: Type-C - protection: IP54 - 1/4" tripod mounting thread - Weight: 310g - Product dimensions: 197 mm × 72 mm Package contents: - UTi712S thermal camera - 3.7V/2600 mAh Li-ion battery - USB Type-C cable - micro SD card

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This product comes with a 3-year warranty. The UT512D 2.5 kV insulation resistance tester is a high-voltage digital insulation resistance tester, designed with multiple ranges, including 250 V, 500 V, 1000 V and 2500 V. It is an ideal instrument for the electrical power sector, the telecommunications sector, the oil industry, telecommunications workshops, the meteorological industry, and the electromechanical and power supply installation and maintenance departments in industrial and mining companies. Product parameters: - Output voltage range: Up to 2.5 kV - PI/DAR measurement - Short-circuit current measurement - Automatic display of high-voltage leakage current - 1/0% voltage range - Alarm - automatic discharge - data storage: 999 sets - PC software analysis: via USB cable - Overvoltage category: CAT IV 600V Technical parameters: - test voltage: 500V / 1000V test capacity: ////12500V test: NO - Low resistance test: NO - Output voltage (rated / voltage range: 250V / 350V, 275V, 300V 500V / 300V, 350V, 400V, 450V, 500V, 1000V / 500V, 600V, 700V, 800V, 900V, 1000V, 1100V, 1200V 2500V / 1250V, 1500V, 1750V, 2000V, output voltage, voltage range (evaluation) Shift 10% of each range each time and adjust the voltage range to 50% ~ 120% of each range display accuracy: ± (10% of reading + 10V) output accuracy: ±(0%~20%) - DC voltage: 30 ～ V+/10 ±(V+10 V) AC voltage: 30 ～ 750 V AC / 50Hz/60Hz ±(3%+5) - Current: 0.01 nA ～ 3.5 mA - Short-circuit current: approx. 3.5 mA - Polarisation index (PI): automatic (polarisation index) p. display - Timing measurement - resistance comparison - Monitoring function: monitors the voltage of the measured object and the discharge status after testing - Timing range: 0 s ～ 99 m and 59 s - storage function: 999 sets - USB for automatic connection to a computer -/low battery indicator -/> power off - Dimensions: 238 x 166 x 90.5 mm (W x H x D) - Power supply: 8 x 1.5V alkaline batteries (LR14) - product colour: black + red - product weight: 1800 g (including batteries) , test leads: -, black, black for each) 3 pcs - USB cable 1 pc - carrying strap 1 pc Manufacturer: UNI-TREND

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This product comes with a 2-year warranty for private individuals and a 1-year warranty for businesses. The UTG932E function generator (arbitrary waveform) from the UTG900E series is a dual-channel generator that uses direct digital synthesis technology to produce a precise and stable arbitrary waveform signal with a resolution of 1 μHz and low distortion. Modulation of signals with various modulation types, such as AM, PM, FM, FSK, etc., from an internal or external source, is available with linear and logarithmic frequency. The generator is miniature in size – it fits in the palm of your hand – and is high-performance, with excellent technical specifications, whilst also being cost-effective. The 4.3-inch diagonal TFT LCD graphic display will allow you to work much more efficiently and quickly. The generator is intended for use in teaching, design, testing, troubleshooting and repair of electronic and electroacoustic devices; testing of semiconductor components, etc. It features a USB interface and powerful software for data transfer to a computer. It offers excellent value for money and a range of functions. You can download a data sheet in English from the manufacturer’s website: http://unitrend.oss-cn-hongkong.aliyuncs.com/upload/file/20211016/UTG900E.pdf Possible English user manual: http://unitrend.oss-cn-hongkong.aliyuncs.com/upload/file/20210529/UTG900E%20Series%20User%20Manua%20REV.2.pdf Product specifications: Product specifications: digital signal generator - two-channel digital synthesis generation of sinusoidal signals with a frequency ranging from 1μHz to 60MHz - generation of square-wave signals with a frequency ranging from 1 μHz to 20 MHz - generation of other waveforms (sinusoidal, square, triangular, pulse, noise, DC, any) - signal modulation types: AM, FM, support for internal and external output sources - supports internal/external/manual trigger - High-precision 6-bit measurement of TTL-compatible external signal frequencies in the range from 100 MHz to 100 MHz - Output signal amplitude up to 10 Vpp at 50 Ω impedance or up to 20 V at 200 MS/s sampling rate and 14-bit vertical resolution - storage of random waveforms with a length of up to 4 kpts - 24 types of waveforms independent of the power supply are factory-preset - USB interface with powerful PC software - Multifunction button and numeric keypad for easy operation of the diagonal LCD screen - Help menu - 109 mm (4.3 inches), 480 x 272 pixels Technical parameters: - Output channels: 2 - Sampling rate: 200 MS/s - Output frequency: up to 60 MHz - Frequency resolution: 1/>- - vertical resolution: 1/4 μHz memory depth: 8 kpts - Types and frequencies of generated signals: sine wave: from 1 μHz to 60 MHz rectangular: from 1 μHz to 20 MHz ramp (saw): from 1 μHz to 400 kHz: from any pulse/from 2:0 MHz/ 1 μHz to 10 MHz Gaussian white noise: 60 MHz DC signal offset (AC+DC peak): ± 5V (50 Ω), ± 10V (high resistance) - minimum signal rise/fall time: typically < 20 ns - signal amplitude range: up to 1 mVpp ≤ 10 Vpp; (50 Ω) - Amplitude range for signals ≤ 60MHz: 1mVpp to 5Vpp; (50Ω) - modulation types: AM, FM, PM, FSK, Sweep - output impedance: adjustable from 1Ω to 1kΩ, or High Z - factory-set impedance: High Z - output short-circuit protection: yes - Total harmonic distortion (for DC to 20 kHz, 1 Vpp, typical): <0.2% - Accuracy over 90 days: ±50 ppm (18°C to 28°C) - accuracy over 1 year: ±100 ppm (18°C to 28°C), with LCD display of 3°C to 28°C, diagonal - 480 x 272 pixels - USB device interface: yes - Power supply: DC 5V, 2A - Power consumption: max 10W - Cooling: natural - Operating ambient temperature: 0°C to +40°C - Operating ambient humidity: < +30°C, ≤ 60% RH - operating altitude: max 2000m - Weight (net): 0.33 kg - weight (gross): 0.77 kg - Dimensions: 172 x 90 x 68 mm Individual packaging: - UTG962E: 1 pc - AC/100–240V/DC/5V/2A power adapter: 1 pc - USB interface cable (UT-D14): 1 pc - BNC-alligator clip cable (UT-L02): 1 pc - BNC-UT-BL41m cable -BNC-UT-pL41m: manual: 1 pc MANUFACTURER: UNI-TREND

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This product comes with a 3-year warranty. The UT503PV digital insulation resistance tester can be used to measure insulation resistance with a photovoltaic power supply (maximum: 1000V DC) and conventional insulation resistance (without power supply), and to automatically identify AC/DC voltage. It has several functions, including: measuring photovoltaic insulation resistance without a solar panel during a power cut/short circuit or at night, voltage grading, Bluetooth transmission, automatic discharge, high-voltage warning, remote-controlled test lead operation, etc. Parameters: - High output voltage: DC 1000 V - UTD test under voltage: DC 1000 V - Insulation resistance (PV+IR): 4000 MΩ - Voltage measurement: 1000 V DC & 600 V AC - Automatic overload stage measurement - Time - Comparison function (IR) - high voltage alarm - Data communication: USB cable + Bluetooth app - lithium battery - analogue bar graph - high-quality backlit display - portable and convenient - certification: CE, cETLus : technical parameter/photovoltaic resistance (PV) - Conventional insulation resistance measurement - AC/DC voltage testing (VDC/VAC) - Insulation resistance range: 0.125 MΩ – 4000 MΩ - rated voltage for conventional output (conventional insulation resistance: 4 positions, 50 V, 120 V, 120 V, 120 V) V - rated voltage for photovoltaic power (photovoltaic insulation resistance: 2 positions): 500 V, 1000 V - short-circuit current: <1.5 mA - step in each range: 10% of the rated voltage - specifications for conventional insulation resistance and photovoltaic (PV) insulation resistance measurement (PV:/> see data sheet ) comparative insulation resistance measurement (COMP) - timed insulation resistance measurement (TIME) - external voltage detection function, which allows automatic monitoring of the voltage of the object under test - designed with a timer to automatically record the test time - automatic discharge and high-voltage warning for analogue resistance warning Results - Manual/automatic shutdown - Capable of storing 1,000 data sets - data save/delete function - Data logging function - Bluetooth app - manual / automatic backlight - mute function - high-resolution segmented LCD display - battery: high-capacity a6: 161 x 117.3 x 63 mm - Weight: 0.5 kg Accessories: - test leads - test probes with torch: - alligator clips: - MC4 connectors: 1 pair - battery transport cable - Type C battery transport cable AA: 6 pcs

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UNI-T UT181A Multimeter The UNI-T UT181A is a smart portable multimeter with automatic or manual range switching that measures RMS, maximum, minimum or average values. The device belongs to a superior class, excels in quality design and reliability, and is suitable for industrial use. It is water and dust resistant, rated IP65. The display is a backlit graphic LCD with a maximum resolution of 4 5/6 digits, the maximum display value being ±60,000. The multimeter allows measurement of AC/DC voltages and currents, resistance, diode testing, continuity testing, capacitance, frequency, duty cycle, temperature, conductivity, comparative measurement, relative value measurement, data peak detection up to 02000 and data logging. The device allows data to be stored on a PC using an optically isolated USB adapter or Bluetooth. The display includes an analogue bar graph with 61 segments. The multimeter has an internal clock that displays the time and date, which can be automatically assigned to stored samples of measured values at intervals ranging from 1 second to 1 hour, including storage time (up to days). Option to include a low-pass filter for measurements on inverters and generators. Temperature measurement is possible on two channels. The fuses are protected by tubular fuses (10A FF 10A H / 1000V fuse (10 x 38mm); mA/µA FF 800mA H / 600V fuse (6 x 32mm)). The device can test its own fuses (without opening the device). The multimeter is powered by a 7.4V/2000mAh lithium battery. Test leads with CAT III 1000V and CAT IV 600V safety-rated tips are included. Product specifications: - fully complies with IEC / EN61010-1 and has double insulation - classified as CAT III 1000V - internal installation including three-phase distribution - classified as CAT IV 600V - external electrical installation (fuse elements, start of internal installation) - Colour display (64K colours), 3.5" TFT LCD graphic display with 320 x 240 pixel resolution - maximum display is 60,000, - 60,000-count frequency measurement display - Display for automatic or manual capacitance measurement 60- accuracy - AC voltage measurement ranges - 60 mV / 1000 V for frequencies from 45 Hz to 100 kHz - AC current measurement ranges - 600 μA / 10 A for frequencies from 45 Hz to 10 kHz - DC measurement range / V - 160 mV - 160 mV DC current measurement ranges - 600 μA / 10 A - AC+DC measurement ranges (AC voltages with DC component) - 60 mV / 1000 V - AC+DC measurement ranges (AC currents with DC component) - 600 µA / 10 A - Resistance range 600 µA / 10 A- 60 mV / Ω - Capacitance measurement ranges - 6.00 nF / 60.00 mF - Measurement ranges from 60 Hz to 60 MHz - Square wave generator from 0.5 Hz to 4800 Hz - Measurement range from 10% to 99% (10 Hz to 10 Hz) of the pulse width -02k-0 250.0 ms - Conductivity measurement range 60 nS - Temperature measurement range: -40°C to 1000°C (with supplied K-type nickel-chromium-nickel-silicon thermocouples only up to +230°C) - analogue bar graph measurement scale, voltage measurement 61 bar graph, TRRM/61 voltage division, voltage and currents - during AC voltage measurement, the frequency or duty cycle of the voltage can be measured on the secondary display - on the secondary display, it is possible to measure the AC component superimposed on DC voltage - data logging of 20,000 values - possibility of relative measurement of the s, B value on a logarithmic scale with simultaneous display of voltage on the secondary display in V - ability to store samples of measured values at intervals ranging from 1 second to 1 hour, including the duration for which data is to be saved (up to days) - Measurement of MAX and MIN peaks with a 1 ms response time - Indication of loose connections - Automatic setting of battery shutdown time - Battery auto-shutdown indicator (in MENU) - Overload protection for voltage inputs - Current input protection with fast-acting fuses - Input impedance 10MΩ - Testing of diodes and semiconductor junctions with voltages from 0 to 3V - Powered by a 7.4V / 2000mAh Li-ion battery; the USB cable can be downloaded from the manufacturer’s website; the software can be downloaded from the manufacturer’s website: https://meters.uni-trend.com/product/ut181a/ - Optional UT-D08 Bluetooth adapter available - Supplied with a 10V DC / 500mA power supply and accessories - EMF measurement is possible at 1V/m with an additional error of 5% Technical parameters . : (Accuracy is defined at 23 °C ± 5 °C and relative humidity less than or equal to 75%; calibration is recommended once a year) - DC voltage measurement (input impedance is 10 mΩ): (range/resolution/accuracy) 60.00 mV///range/resolution/accuracy) 600.00 mV / 10 µV / ± 0.025 % + 5 6.0000 V / 0.1 mV / ± 0.025 % + 5 60.000 V / ± 5.000 V / ± 0.1 mV / ± 0.1 mV 600.00 V / 10 mV / ± 0.03 % + 5 1000.0 V / 0.1 V / ± 0.03% + 5 - AC voltage measurement (input impedance approx. 10 MΩ; 45 Hz to 1 kHz; 1 kHz to 1 kHz; 1 kHz to 1 kHz; 10 kHz to 20 kHz; 20 kHz to 100 kHz): (range / resolution / accuracy up to 1 kHz / accuracy up to 10 kHz / accuracy up to 20 kHz / accuracy up to 20 kHz) mV / 1µV / ± 0.6 % +60 / ± 1.2 % + 60 / ±3 % + 60 / ±4 % + 60 600.00 mV / 10 µV / ± 0.3 % +30 / ± 1.2 % + 40 / ±4 % / ±4 % / ±4 % 6.0000 V / 0.1 mV / ± 0.3 % +30 / ± 1.2 % + 40 / ±3 % + 40 / ±4 % + 40 60,000 V / 1 mV / ± 0.3 % +30 / ± 1.2 % + 40 / ± 1.2 % + 4 % / ± 4 % / ± 4 % / ± 4 % 600.00 V / 10 mV / ± 0.3 % +30 / ± 1.2 % + 40 / ±3 % + 40 / for guidance only 1000.0 V / 0.1 V / ± 0.6 % + 30 / ± 3 % + 40 / ± 6 % ++ cc < / for guidance only voltage measurement (input impedance approx. 10MΩ; 45Hz to 1kHz; 1kHz to 10kHz; 10kHz to 35kHz): (range / resolution / accuracy up to 1 kHz / accuracy up to 1 kHz / accuracy up to 1 kHz / accuracy up to 1 kHz 35 kHz) 60.00 mV / 1 µV / ± 1 % +80 / ± 3 % + 40 / ± 6 % + 60 600.00 mV / 10 µV / ± 1 % +80 / ± 3 % + 40 / ± 6 % + 60 / ±6 %/0. / ± 1 % +80 / ± 3 % + 40 / ±6 % + 40 60,000 V / 1 mV / ± 1 % +80 / ± 3 % + 40 / ±6 % + 40 600.00 V / 10 mV / ± 1 % indicative only / 80 / ± 1 % + 80 / ± 1 % indicative 1000.0 V / 0.1 V / ± 1.2 % + 80 / indicative only / indicative only - DC measurement: (range / resolution / accuracy) 600.0 μA / 0.01 μA / ± 0.20 μA / ± 0.20 μA / + 0.20 μA / . μA / ± 0.25 % + 2 60,000 mA / 1 μA / ± 0.7 % + 2 600.0 mA / 10 μA / ± 0.15% + 2 6,000 A / 0.1 mA / ± 0.1 mA / ± 1.0 1 mA / ± 0.5 % + 2 - AC current measurement (45 Hz to 1 kHz; 1 kHz to 10 kHz): (range / resolution / accuracy up to 1 kHz / accuracy up to 10 kHz) 0 μA / 0 μA ± 0.6% + 40 / ± 1.2% + 40 6000.0 μA / 0.1 μA / ± 0.6 % + 20 / ± 1.2 % + 40 60,000 mA / 1 μA / ± 0.6% + 40% / ± 4% + 40% 600.00 mA / 10 μA / ± 0.6 % + 20 / ± 1.2 % + 40 10,000 A / 1 mA / ± 1 % + 20 / ± 3 % + 40 - AC+DC current measurement up to (1 kHz to 10 kHz at; 10 kHz): (range / resolution / accuracy up to 1 kHz / accuracy up to 10 kHz) 600.00 μA / 0.01 μA / ± 0.8 % + 40 / ± 2 % + 40 / ± 2 % + 40 μA / ± 0 μA / ± 0 μA / ± 0.01 μA 0.8 % + 20 / ± 2 % + 40 60,000 mA / 1 µA / ± 0.8 % + 40 / ± 2 % + 40 600.00 mA / 10 µA / ± 0.8% + 20 / ± 1% / 0.0% + 40 ± 1.2 % + 20 / ± 3 % + 40 - Resistance and conductivity measurements: (range / resolution / accuracy) 600.00 Ω / 0.01 Ω / In REL mode: ± 0.05 %/0.01 Ω / 0.05 %/0 Ω 0.1 Ω / ± 0.05 % + 2 60,000 kΩ / 1 Ω / ± 0.05 % + 2 600.00 kΩ / 1 Ω / ± 0.05 % + 2 6.0000 MΩ / 0.1 kΩ / ± 0.1 kΩ / 0.1 kΩ / ± 0.1 kΩ / 1 Ω / ± 0.05 % + 2 60.000 MΩ / 1 kΩ / ± 2 % + 10 60.00 nS / 0.01 nS / ± 2 % + 10 (S = Siemens unit) - Capacitance measurement: 6,000 nF / 1 pF / ± 3.0 % + 10 60.00 nF / 10 pF / ± 2.5 % + 5 600 nF to 600 µF / 0.1 nF to 0.01 µF / ± 2.5 % / ± 6 mF / ± 2.5 % + 5 % + 5 60 mF / 10 µF / Not specified - Measurement of frequency, duty cycle and period (pulse width): (range / resolution / accuracy) 60.0.0.0.000 Hz / Hz / ± 0.000. % + 8 600 Hz to 60 MHz / 0.01 Hz to 0.001 MHz / ± 0.01 % + 5 10 % to 90 % (10 Hz to 2 kHz) / 0.01 % / ± 1.2 % + 30 µs / ± 25 µs / ± s / s 1.2 % + 30 - display type: 64K colour TFT LCD, with 320 x 240 px resolution - number of digits: 60,000 - analogue display: 61 segments - power supply: 7.4V Li-ion battery / 1000 mAh with 10A H / 1000V fuse (10 x 38mm) - fuse: 800mA H / 1000V (6 x 32mm) - device dimensions: 225 x 103 x 59 mm - Weight: approx. 6°C to operating temperature - 50°C - relative operating humidity at 0°C to 30°C less than or equal to 80%; at 30°C to 40°C less than or equal to 75%; at 40°C to 50°C less than or equal to 45%;- operating altitude; 30°C to 60°C - Option to purchase a UT-D07 Bluetooth adapter for transferring data to a PC - The device complies with the following standards: cETLus, CAT III 1000V, CAT IV 600V, double insulation, overvoltage protection < 1/00 V 61326-1: 2013; EN 61326-2-2: 2013 EN 61010-1: 2010; 61010-1, 61010-2-030 Certified to CSA STD C22.2 No. 61010-1, 61010-2-030, 61010-2-033 - Manufacturer: UNI-TR/ Package contents: - UT181A multimeter with storage case - 7.4V / 2000mAh Li-ion battery - in the device - Fuse F1: FF 800 mA H 1000 V (6 x 32 mm) – in device - Fuse F2: FF10 - 1000 V (FF100) in device - 1 x USB cable with opto-electronic converter - 2 x Type K thermocouple (nickel-chromium-nickel-silicon) up to +230°C - 1 pair of test leads with CAT III 1000 V, CAT IV 600 V tips - 1x DC charging connector - 10V / 500mA - user manual in Czech, Slovak and English

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