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This product comes with a 3-year warranty. The UT60EU is a digital multimeter with a display range of 9999, enabling the measurement of true RMS voltage and current values with both automatic and manual range selection. It features 1000V rms overload protection across all ranges; the current range is protected by a 10A / 1000V tube fuse, 6.35 x 32mm. If you approach the limit values of ≥990.0V / ≥9.900A when measuring voltages and currents, an alarm will sound and ‘OL’ will be displayed when the limit values are exceeded. In addition, it allows the measurement of resistance, capacitance, temperature, frequency, duty cycle, circuit continuity and semiconductor junctions. The circuit for non-contact electric field measurement in two sub-ranges is optimised. The multimeter is equipped with a modern processor featuring a fast analogue-to-digital converter (conversion rate of 3 times per second). The entire structure of the multimeter is fitted with a durable, double-insulated casing and has European CE certification, meeting the safety classification CAT II 1000V/CAT III 600V. The device is suitable for use in a laboratory or workshop, as well as for general electrical work. It is powered by standard 3 x 1.5V AAA batteries, which last up to 500 hours thanks to low power consumption. Product specifications: - backlit display range: 9999 - voltage measurement: up to ±1000V / DC / DC / AC / rms measurement: up to 1000V / DC / AC / AC rms: up to 1000V rms - Resistance measurement: up to 99.99MΩ - Capacitance measurement: up to 9.999mF - Temperature measurement: with supplied K-type probe up to 250°C - Frequency measurement: up to 9.999 MHz - Manual measurement: - Manual measurement: up to duty cycle/1kHz / REL / RMS / HOLD / NCV EFLo / NCV EFHi - Circuit continuity measurement - Semiconductor junction measurement - Non-contact NCV measurement - visual and audible alarms - Voltage input protection against input overloads exceeding 10/100V - A00V fuse - input impedance approx. 10MΩ for DCV, then 3GΩ in the DCmV range - Power supply: 3 x 1.5V, AAA - Low power consumption during measurement: approx. 2 mA - Standby current: < 30 μA - operates on a set of batteries - Automatic 0-hour battery indicator - 500 hours shutdown (sleep mode during inactivity): yes, after 15 minutes Technical parameters: - DC voltage measurement (input impedance is approximately 3GΩ in the DCmV range, 10MΩ in the other ranges): (range / resolution / accuracy) ± 0V /m909 / ± 0V (0.7% + 8) 99.99 mV / 0.01 mV / ± (0.7% + 8) 999.9 mV / 0.1 mV / ± (0.5% + 3) 9.999 V / 0.001 V / 0.001 V / +95% /> ± (0.5% + 3) 0.1 V / ± (0.5% + 3) 999.9 V / 0.1 V / ± (0.5% + 3) - Maximum input voltage: ±1000V, alarm sounds at 990.0V, ‘OL’ is displayed at >1000V.-MS overload protection - AC voltage measurement (input impedance approx. 10MΩ): (range / resolution / accuracy in the range 40Hz to 400Hz, sinusoidal RMS) 9.999 mV / 0.001 mV / ± 9.999 mV / 0.001 mV / ± 9.9% 0.01 mV / ± (1% + 3) 999.9 mV / 0.1 mV / ± (0.8% + 3) 9.999 V / 0.001 V / ± (0.8% + 3) 99.99 V / ± 0.1 V / 0.1 V 999.9 V / 0.1 V / ± (0.8% + 3) - Maximum input voltage: 1000 V AC, alarm sounds at 990.0 V, ‘OL’ is displayed at > 1000 V. - 1000 V RMS (DC/AC) overload protection (DC/AC) overload protection - - Current measurement accuracy range ) 999.9 μA / 0.1 μA / ± (0.8% + 3) 999.9 mA / 0.1 mA / ± (1.0% + 3) 9.999 A / 0.001 A / ± (1.0% + 3) will sound at 9.0% + 3). ‘OL’ will be displayed at >10.00A Overload protection: 1000V RMS, 10A fast-acting fuse - AC current measurement: (range / resolution / accuracy in the range 40Hz to 400Hz) 999.00% /±0.3) 999.9mA / 0.1mA / ± (1.2% + 3) 9.999 A / 0.001 A / ± (1.2% + 3) Alarm will sound at ≥9.900 A, ‘OL’ will be displayed at load >10/0000000000000000000 protection. RMS, 10 A fast-acting fuse - Resistance measurement: (range / resolution / accuracy) 999.9 Ω / 0.1 Ω / ± (0.8% + 2) 9.999 kΩ / 0.001 kΩ / 0.001 kΩ / 0.001 kΩ / 0.001 kΩ / ± 9 Ω / ± 9 Ω / 0.1 Ω / ± (0.8% + 2) kΩ / 0.01 kΩ / ± (0.8% + 2) 999.9 kΩ / 0.1 kΩ / ± (0.8% + 2) 9.999 MΩ / 0.001 MΩ / ± (1.5% + 3) 99.999 MΩ / 0.001 MΩ / ± (1.5% + 3) 99.99. 5) 1000V overload protection - Capacitance measurement: (range / resolution / accuracy) 9.999 nF / 0.001 nF / ± (4% + 10) 99.99 nF / ± 0.001 nF / ± (4% + 10) 99.99 nF / ± 5% (1 nF / ± 5) (1 nF / ± 0 / ± 0). 999.9 nF / 0.01 nF / ± (4% + 5) 9.999 µF / 0.001 µF / ± (4% + 5) 99.99 µF / 0.01 µF / ± (4% + 5) 99.99 µF / 0.01 µF / ± (4% + 5) 9.999 mF / 0.001 mF / ± (10%) For capacitances ≤100nF, use the REL module 1000V overload protection - Frequency measurement: (range/resolution/accuracy) 99.99 MHz/ Hz. 0.01 Hz to 0.001 MHz / ± (0.1% + 5) 1000 V RMS (DC/AC) overload protection - Duty cycle measurement for square waves ≤10 kHz: (range / resolution / accuracy) 9.1% / ± 0.9% / 9.1% / 0.001 MHz / ± (0.1% + 5) 5) Overload protection 1000 V RMS (DC/AC) - Diode test: voltage across terminals without load approximately 3.3 V voltage drop across a good silicon junction is 0.5 to 0.8 V measurement resolution 0.001 V /> /> a beep will sound if the resistance is less than 30 Ω Overload protection 1000 V RMS (DC/AC) - Temperature measurement: (range / resolution / accuracy) °C /°C / ± 0°C /°C ± 0°C 4°C 0°C to 100°C / 1°C / ± (1.0% + 5) 100°C to 1000°C / 1°C / ± (2.0% + 5) -40°F to 32°F / 1°F / ± 2°F /°F / ±/> 1°F / ± (1.5% + 5) >212°F – 1832°F / 1°F / ± (2.5% + 5) The K-type thermocouple accessory is only suitable for temperature measurements below 250°C/482°F. Features: - Operating ambient temperature: 0°C to 40°C - Storage temperature: -10°C – 50°C (14°F – 122°F) - Operating relative humidity: ≤75% (0°C to 30°C), ≤50% (30°C to operating altitude) - 0°C at 2000m - operating environment: indoor use - EMC resistance: for radio frequency field 1V/m - power supply: 3 x 1.5V, AAA - LCD display: 73 mm x 50 mm with backlight, 2 brightness levels, or off - product colour: red and grey: 20 g - Product weight: approx. 400 g (including batteries) - Product dimensions: 169 x 81 x 46 mm Contents of individual package: - UT60EU multimeter with storage case: 1 pc - 1.5V AAA battery: 3 pcs. /250V (6.35 x 32 mm) - in the device: 1 pc - Test leads with CAT II 1000V/CAT III 600V category tips: 1 pair - temperature probe: 1 pc - user manual: 1 pc Standard packaging: Qty - Standard carton dimensions: 420 x 320 x 300 mm - Manufacturer: UNI-TREND -

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This product comes with a 3-year warranty. Function/Arbitrary Waveform Generator The UTG2082B is an advanced dual-channel generator that utilises direct digital synthesis technology to produce a precise and stable arbitrary waveform output with a resolution of 1μHz, a maximum output frequency of 80MHz, and a sampling rate of 320MS/s. Modulation of signals using various modulation types, such as AM, FM, PM, ASK, FSK, PSK, PWM, BPSK, QPSK, OSK, DSB-AM, SUM, QAM, Sweep etc., from an internal or external source, is available with linear and logarithmic sweep. The panel is ergonomically designed for easy operation. The generator is intended for use in the design, development, testing, debugging and repair of electronic and electroacoustic equipment, such as circuits and test equipment in cellular and wireless systems, radio and television systems; testing of semiconductor components, etc. Thanks to DDS technology, it is capable of generating precise and clean signals with minimal distortion. An easy-to-use panel with simple controls and a clear display allows you to work much more efficiently and quickly. It features a USB interface and powerful software for data transfer to a computer. More than 160 waveforms are stored in the non-volatile internal memory, e.g. mathematical, bioelectrical, medical, trigonometric, anti-trigonometric, automotive transient waveforms, etc. It offers excellent value for money and a range of functions. It can be used in university laboratories, research institutes, etc. This device meets the GB4793 safety requirements for electronic measuring instruments and the IEC 61010-1/2 safety standards, and complies with the CAT II 300V safety standards for isolated voltage when both channels are connected - DDS digital signal synthesis - Generation of sinusoidal signals with a frequency ranging from 1μHz to 80MHz - Generation of square-wave signals with a frequency range from 1μHz to 70MHz - Generation of various other waveforms (sine, square, any type of noise, ramp, triangle, pulse, AM - use of a modulation signal from an internal or external source - ability to enter the signal waveform using a mathematical formula - option to enter the signal phase in degrees or radians - supports both degrees and radians - supports output and burst signals - supports internal/external/manual triggering - High-precision 6-bit frequency measurement up to 200MHz for TTL-compatible external signals - Output signal amplitude up to 10Vpp at 50Ω impedance or up to 20Vpp in high-impedance mode - Terminal protection against overvoltage at 3/20M frequency/sampling 16-bit vertical resolution - Ability to store up to 16 groups of variable digital waveforms - Front-panel USB interface for waveform input - USB Host interface on the rear panel, powerful PC software - LAN connector on the rear panel for firmware updates - Multifunction button and numeric keypad for easy operation of the system with LCD display - 4.3" diagonal and WVGA resolution (480 x 272 pixels) Technical specifications: - Output channels: 2 - Sampling rate: 1.28 GS/s (interpolation), 320 MS/s (DDS mode) - Output frequency: - Output frequency: - 8 output frequencies: - 0 MHz 1 μHz - vertical resolution: 16 bits (including symbols, labels) - Waveform length: 8 pts to 16 Mpts - non-volatile memory: up to 160 groups of arbitrary waveforms can be stored - Types and frequencies of generated signals from 1μHz: to > sinusoidal: μzbr: / 80 MHz rectangular: from 1μHz to 70MHz ramp (sawtooth): from 1μHz to 4MHz pulse: from 1 μHz to 25 MHz any: from 1 μHz to 20 MHz Gaussian noise: up to 80MHz signal offset d-Bk) AC+DC): ± 5V (50 Ω), ± 10V (high resistance) - minimum rise/fall time of any signal: typically < 6 ns - amplitude range: 1 mVpp to 10 Vpp (50 Ω), 2 mVpp to 20 Vpp (High Z) , modulation types: PSK, AMSK, FSK, AMSK PWM, BPSK, QPSK, OSK, DSB-AM, SUM, QAM, Sweep - operating modes: on/off output, continuous, modulation, sweep, serial - TTL-compatible signal frequency measurement: yes, in the range 100mHz – 200mHz, with a resolution of ±1ppm, with an accuracy of 5 ppm. digits/s - output impedance: adjustable from 1Ω to 1kΩ, or High Z, factory setting 50Ω - output short-circuit protection: yes - terminal protection against overvoltage: at input voltage >±12.0V, frequency <10kHz, amplitude >100mVpp at input overvoltage terminal protection against input overvoltage >±2.0V, frequency <10kHz, amplitude ≤100mVpp - total harmonic distortion 20kHz, 1Vpp (typical): <0.2% - accuracy: ± 0.5 ppm at 25°C - ageing rate in the first year - temperature coefficient: ± 1 ppm, 0.5 ppm/℃ - temperature coefficient: <2 ppm/°C - Display: 64K TFT LCD, 4.3" diagonal, WVGA (480 x 272 pixels) - USB device interface: yes - power supply: AC 100 V, 44 Hz, 40 V to 44 Hz II - power consumption: <50W - Protection: 250 V fuse, T2 A - Weight (net): 3.1 kg - Gross weight: 4.1 kg - Dimensions: 305 x 230 x 93 mm - Product colour: white and grey > > individual packaging > UTG2082B generator: 1 pc - Power cable: 1 pc. - USB interface cable: 1 pc 380 x 330 x 320 mm - gross weight of the box: approx. 8.5 kg MANUFACTURER: UNI-TREND

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This product comes with a 3-year warranty. The UT278A+ from UNI-T is a clamp-on tester for earth resistance. Based on the principle of mutual induction, it can measure earth resistance without disconnecting the earth conductors and without auxiliary electrodes, in both multi-point and single-point earthing systems. Unlike a similar instrument, the UT276A+ has an extended earth loop resistance measurement range up to 1200Ω and can also measure earth loop leakage currents in the range from 0.00 mA to 20.0 A. The tester is designed for professional use, with resistance to shock, dust and humidity, and is controlled by microprocessors, including for the precise identification of resistance and rapid filtering of interfering signals using advanced arithmetic methods. It is designed for measuring earthing systems in power stations, power distribution and telecommunications, oil fields, computer rooms, electromechanical installations and maintenance in industrial plants, wherever electricity is used as an industrial power source, or where it is necessary to check the earthing resistance of lightning arresters. The device measures earth loop resistance from 0.01 Ω to 1200 Ω with a resolution of 0.001 Ω and leakage currents from 0 to 20 A; the measured values are displayed on a four-digit backlit EBTN display (light-on-dark background) and, at the same time, up to 30 values can be stored in the internal memory. The unit is powered by four 1.5V alkaline batteries. Manufactured in accordance with safety standard IEC 61010-1 (CAT III 300V, CAT IV 150V, pollution degree 2); IEC 61010-031. Product specifications: - earth loop resistance measurement range: 0 to 1200Ω - resolution 0.001 Ω - Earth loop leakage current measurement range: resolution 0 to -0.01 mA - automatic range selection - 4-digit EBTN display - Simultaneous display of resistance and current on a single screen - Resistance limit setting with audible indication of exceedance - Filtering of interfering signals - High reliability and durability, dual resistance calibration automatic - Resistance/insulation Capacity to store up to 300 sets of measured data - Powered by 4 x 1.5V AA alkaline batteries - low battery indicator Technical parameters: - Measurement method: mutual induction - Earth loop resistance measurement range at a resolution of 1/2000Ω Earth loop resistance measurement accuracy: in the 0.01 to 0.099 Ω sub-range: 0.001Ω ± (1% + 0.01Ω) in the sub-range 0.1 to 0.99 Ω: 0.01 Ω ± (1% + 0.01 Ω) in the sub-range 0.1 to 0.99 Ω: 0.1 Ω ± (1% + 0.1 Ω) in the 50 to 99.5 Ω sub-range: 0.5 Ω ± (1.5% + 0.5 Ω) in the sub-range 100 to 199 Ω: 1 Ω ± (2% + 1 Ω) in the sub-range: 3 Ω ± 20 Ω: -3 Ω) (5% + 5 Ω) in the secondary range from 400 to 590 Ω: 10 Ω ± (10% + 10 Ω) in the secondary range from 600 to 880 Ω: 20 Ω ± (20% + 20 Ω) in the secondary range from 900% to ±: +200Ω (2300Ω) 30Ω) - resolution and accuracy of measurements of currents flowing through the ground loop: in the sub-range 0.00 mA to 9.95 mA: 0.01 mA ± (2.5% + 1 mA) in the sub-range 10.0 mA to 9.95 mA: 90.0 mA to 9.95 mA: 5 mA) in the secondary range 100 mA to 300 mA: 1 mA ± (2.5% + 10 mA) in the secondary range 0.3A to 2.99A: 0.01A ± (2.5% + 0.1A) in the secondary range 0.3A to 2.99A: in the secondary range: 0.3–1A: (2.5% + 0.3A) in the sub-range 10.0A to 20.0A: 0.1A ± (2.5% + 0.5A) - EBTN display dimensions: 47 x 28.5 mm - Measurement frequency: 2x/sec - Simultaneous resistance with clamp - Simultaneous display on screen opening: 32 x 55 mm - Interference signal filter: yes - visual and audible alarm: yes - range overlap indication: yes, symbols ‘OL Ω’, ‘L0.01Ω’, ‘OL A’ - indication of excessive interference currents: yes, “Noise”, symbol for data storage -0.01Ω, power supply: 6V (4 x 1.5 V AA (LR6) batteries) - current consumption: max. 50mA - low battery indication: yes - automatic switch-off: yes, after 5 minutes - Sheath insulation resistance: more than 20MΩ (500V between circuit and housing) - voltage resistance: 3700V / RMS AC (between circuit and housing) - maximum 40 mA external magnetic field field: <1V/m - Category: CAT III 300V, CAT IV 150V (IEC61010-1) - Operating ambient temperature and relative humidity: 23 °C ± 5 °C, humidity <75% - Tester dimensions L x W x H: 285 x 8 mm Tester weight: 1 x 1 x 1 g (including batteries) Contents of individual package: - UT278A+ tester: 1 pc - 1Ω and 10Ω test loops (calibration): 1 pc - 1.5 V / AA (LR6) battery: 4 pcs. > Standard packaging quantities per box: 1 pc - Standard box dimensions: 370 x 110 x 300 mm - total weight of the box: 2.6 kg Manufacturer: https://www.uni-trend.com/

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UNI-T UT22B-EU Voltage Tester This product comes with a 3-year warranty. The UT22B-EU is a simple voltage tester for everyday electricians, designed to be easy to use for measuring the presence of AC/DC voltage on 230V sockets, switches and household appliances. This voltage tester has IP54 protection against water and dust and is designed to withstand drops from a height of 2 metres. The great thing about this product is that it requires no batteries; it is powered by the voltage being tested! The UT22B allows you to distinguish voltages from 12V to 400V (based on the number of LEDs) and automatically distinguish between DC and AC voltage (the ‘+’ or ‘-’ indicators light up, or both at the same time). Voltage level indication accuracy: the corresponding LED usually lights up fully for approx. 70% to 100% of the specified range, except for the 12 V AC/DC range, where it lights up from 50% to 100% of the voltage value. The device complies with the following standards: EN61326-1: 2013, EN61326-2-2: 2013, EN61243-3: 2014. Product parameters: - voltage tester for 12V to 400V AC voltage and 400V AC/DC polarity IP54 rating - impact resistance when dropped from a height of 2 m Technical parameters: AC/DC voltage level indicators: - in the 12V range, the LED lights up in the voltage range from 6V to 12V - in the voltage range from 1V to 24V - in the voltage range from 1V to 24V - in the 50 V range, the LED lights up in the voltage range from 35 V to 50 V - in the 120 V range, the LED lights up in the voltage range from 84 V to 120 V - in the 230 V range, the LED lights up in the voltage range - 230 V - 230 V V, the LED lights up in the voltage range from 280 V to 400 V - DC Positive polarity indicators: The (+) LED is lit. - DC negative polarity indicators: (-) The LED is lit. - AC voltage indicator: both LEDs (+/-) are lit. is below 50 V AC - Measured AC frequency: 50/60 Hz - Drop test: 2 m - Water and dust protection: IP54 - Hazardous voltage indicator: lights up when the voltage is >50 V, flashes at a frequency of 1.5 Hz at voltages :-0 V : s - rated duration: >600 s - power supply: from the measured circuit - operating temperature: -15°C to 45°C - operating relative humidity: <85% non-condensing - operating altitude: up to 2000 metres above sea level - storage temperature: -60°C - safety category: -60°C - classification: CAT III 400V - Product dimensions: 116 x 33 x 22 mm - Product weight: 150 g - Product colour: red and grey Standard individual package contents: - UT22B-EU voltage tester - user manual MANU/>-

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UNI-T UT139B Multimeter This product comes with a 3-year warranty. The UNI-T UT139B is a new professional multimeter with True RMS rating and CAT III 600V protection, designed to meet the needs of electricians for measuring LV distribution networks in buildings. The innovative, industrial design with a protective sleeve ensures the multimeter’s impact resistance. The instrument includes a range of additional features, such as low-impedance voltage measurement (LoZ) (for the UT139E + UT139S variants), variable frequency voltage (VFC) measurement (for the UT139E + UT139S variants), non-contact voltage (NCV) measurement, capacitance measurement, frequency ratio measurement and temperature measurement. The large, clearly laid-out TN LCD display with backlighting ensures better visibility of measured values. The display range is ±4000, and 9999 for capacitance and frequency. Refresh rate of 2 to 3 times per second. The fuses are protected by tubular fuses (10A FF 10A H / 600V fuse (6 x 25mm); mA / µA FF 500mA H / 600V fuse (6 x 32mm)). The multimeter is powered by two 1.5 V AA alkaline batteries. The measurement range can be selected automatically or manually. Test leads with probes and batteries are included. The UT139B is an ideal choice if you want a professionally equipped multimeter with a range of additional functions, which is also accurate, safe, easy to read and use. Product specifications (multimeter function): - True RMS (the device measures the effective value of alternating current and voltage) - AC voltage measurement range (AC): 40 mV / 600 V - AC current measurement range: 400 μA // DC current measurement range: 400 μA - 1 DC - 40 mV / 600 V - DC current measurement ranges: 400 μA / 10 A - Resistance measurement ranges: 400 Ω / 60 MΩ - Capacitance measurement ranges: 9.999 nF / 99.99 mF - Relative capacitance measurement - Relative capacitance measurement mode - Diodes and semiconductor junctions at 3.2 V - Line continuity test (buzzer) - Non-contact voltage measurement (NCV) - duty cycle (DCL) - automatic and manual range selection - reverse polarity detection - data storage - automatic display of minimum and maximum values - automatic value display - auto-off - low battery indicator - overload protection, fused safety Technical parameters: - DC voltage measurement (input impedance within the range of 3 to approx. 10 MΩ): (range / resolution / accuracy) / 0 V / m / mV. ±0.7% + 3 400.0 mV / 0.1 mV / ± 0.5 % + 2 4,000 V / 1 mV / ± 0.7% + 3 40.00 V / 0.01 V / ± 0.7% + 3.0.0.0 V / ± 0.7% V 0.7% + 3 600.0 V / 1 V / ± 0.7 % + 3 - AC voltage measurement (input impedance approx. 10 MΩ): (range / resolution / accuracy) 40.00 mV / 0.01 mV / ± 0.01 mV / ± 0.01 mV / ± 0.0 % mV / 0.1 mV / ± 1.0 % + 3 4,000 V / 0.001 V / ± 0.8 % + 3 40.00 V / 0.01 V / ± 0.8 % + 3 400.0 V / 0.1 V / 0.1 V / ± 0.1 V / 0.01 V / ± 0.8 % + 3 400.0 V / 0.1 V / 0.1 V / ± 0.8 % + 3 VAC 200 to 600.0 V / 0.1 V / 1 V / ± 4.0 % + 3 - DC measurement: (range / resolution / accuracy) 1 μA / 0.0 μA / ± 0.8 % + 3 % + 2 4000 μA / 1 μA / ± 0.7 % + 2 40.00 mA / 0.01 mA / ± 0.7 % + 2 400.0 mA / 0.1 mA / ± 0.7 % + 2 / ± 0.01 mA / ± 0.7 % + 2 1.0 % + 3 10.00 A / 0.01 A / ± 1.0 % + 3 - AC current measurement: (range / resolution / accuracy) 400.0 μA / 0.1 μA / ± 1.0 μA / ± 1.0 μA / ± 1.0 μA / μA ± 1.0 % + 3 40.00 mA / 0.01 mA / ± 1.0 % + 3 400.0 mA / 0.1 mA / ± 1.0 % + 3 4.000 A / 0.001 A / 0.001 A / ± 1.0 % / 1.0 A / ± 1.2 % + 3 - Resistance measurement: (range / resolution / accuracy) 400.0 Ω / 0.1 Ω / ± 1.0 % + 2 4,000 kΩ / 0.001 kΩ / 0.001 kΩ / ± 40.0 Ω / ± 0.1 Ω / ± 1.0 % + 2 0.01 kΩ / ± 0.8 % + 2 400.0 kΩ / 0.1 kΩ / ± 0.8 % + 2 4.000 MΩ / 0.001 MΩ / ± 1.2 % + 3 40.00 MΩ / ± 0.01 MΩ / ± 5. - Capacitance measurement: (range / resolution / accuracy) 9.999 nF / 1 pF / in REL mode ± 4 % + 10 99.99 nF to 999.9 µF / 0.01 nF ± 4 % / 0.01 nF ± 4 % + 10 9.999 mF to 99.99 mF / 0.001 mF to 0.01 mF / ± 10 % - Frequency and duty cycle measurement: (range / resolution / accuracy) 9.999 Hz to /9 ¼.090 MHz / 9 ¾ a. MHz / ± 0.1% + 4 0.1% to 99.9% / 0.1% / Reference only - Display type: TN LCD - Display diagonal: 68 mm - Sampling frequency: 3 / s - Number of digits: 4000 VA - Device dimensions: 170 x 80 x 48 mm - Drop resistance: 1 m - Weight: approx. 354 g (including batteries) - Operating temperature: -10 to 50 °C - The device complies with the following standards: cETLus, CAT III 600V, double insulation, 600V-PTC overload protection, pollution class II 1 600 V; EN 61326-2-2: 2013 EN 61010-1: 2010; EN 61010-2-030: 2010; EN 61010-2-033: 2012 Compliant with UL STD.: 61010-1, 61010-2-030 Certified to CSA STD. C22.2 No. 61010-1, 61010-2-030, 61010-2-033 - Manufacturer: UNI-TREND - Package contents: - UT139B multimeter with impact-resistant cover - 1 plastic case batteries - Fuse F1: 6 x 32 mm FF 500 mA H 600 V (in device) - Fuse F2: 6 x 25 mm FF 10 A H 600 V (in the device) - test leads with probes (included) - user manual in Czech, Slovak and English

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This product comes with a 3-year warranty. The LM series laser rangefinder can accurately measure distance, height and angle. The speed measurement function uses a low-power pulsed laser, which is harmless to the human eye. The LM1000A model has a built-in battery, 6x magnification, a maximum measurable distance of 1000m and a height of 450m. These rangefinders are suitable for various inspection tasks, construction work, navigation, golf, hunting, installation of energy equipment, etc. Product specifications: - pulsed laser harmless to the human eye - compact and portable - rapid distance measurement - 2.0-inch - multifunctional display - high-precision LCD - automatic shut-off - measurement of slope, height, volume, area, angle - golf course compensation mode Technical specifications: - Distance range: 3 ~ 1000 m - accuracy: ±1 m ± 2% of range - 2% of range: - adjustment range: ±6° - Altitude: 450 m - Speed range: 18 – 300 km/h - angle: ± 45° - lens size: 21.5 mm - angular deviation: ± 1° - laser class: class 1 Operating temperature 90–10 °C to 50 °C - Power supply: 3.7V, 750mAh lithium battery - Product colour: black + silver - weight: 171 g - dimensions: 108 mm x 72.5 mm x 42.2 mm - standard accessories: carrying case, USB cable, wrist strap

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UNI-T UT306A Infrared Thermometer This product comes with a 3-year warranty. The UT306A is a portable non-contact thermometer. Thanks to its compact design, it is suitable for carrying and everyday use. This device measures temperature based on the infrared radiation of objects and is equipped with a laser pointer, making it easy to measure the temperature of an object from a distance without needing to attach a temperature probe. This measurement method is particularly suitable for measuring hard-to-reach objects and for minimising the influence of the surrounding environment on the measurement result. Product specifications: - accurate non-contact digital thermometer with a laser pointer - measurement in °C and °F, display of minimum, maximum and average temperatures - 250 ms response time, versatile use, compact dimensions, continuous measurement Technical specifications: Measurement units °F: Measuring range °C: -35 to 300 Measuring range °F: -31 to 572 Resolution: 0.1 °C / 0.2 °F Measurement deviation: ± 2.0 °C / 4.0 °F or ± 2 % of the measured value (whichever applies) ms Ratio of field of view length to width: 6 : 1 Emissivity: 0.95 Measured wavelength: 8 μm – 14 μm Display of minimum, maximum and average temperature Laser pointer Measurement lock: Continuous measurement option Result display >Data display Backlight Low battery warning Auto-off when inactive Display dimensions: 37.4 x 36.4 mm Dimensions: 120 x 53 x 28 mm Power: 3 x AAA batteries (included) Weight: 0.120 kg Operating temperature 50°C Relative humidity: < 90% Manufacturer: UNI-TREND

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UNI-T UT267B Smart Three-Phase Clamp-On Voltmeter This product comes with a 3-year warranty. The UT267B is a high-precision, intelligent three-phase digital voltmeter, specially designed for measurements in industrial operating conditions. It is a fully automatic, multifunctional device with low power consumption and simple operation. You can measure circuits without disturbing them; the device is capable of measuring three-phase voltage and current, the phase angle between voltage and current or between three-phase voltages or currents, frequency, phase sequence, active, reactive and apparent power, power factor, vector sum, and can identify and connect transformer groups, inductive and capacitive circuits, secondary circuit measurements and differential protection systems. The device can also read the differential protection phase between CT units, and verify and ensure the correct connection of electricity meters. The dot-matrix LCD display has a resolution of 240 × 160 pixels and allows the display of voltage and current vectors. The device allows the storage of up to 99 sets of measured data in its internal memory, which can then be transferred to a computer via the RS232 interface. The supplied system software enables real-time online monitoring, history retrieval, dynamic display, data reading, storage, reporting, printing, etc. Together, these features provide a new, reliable, accurate and convenient tool for inspectors and electricians. Simultaneously- Automatic interval, sampling frequency approx. 0.5 times/s- Backlit graphic LCD display, 240 × 160 pixels- Data storage- RS-232 interface- Low power consumption (40 mA)- automatic switch-off- Vibration-proof, slip-proof, highly insulated housing- powered terminal- Technical parameters: - AC current measurement range (A): 0mA ~ 20A, accuracy: ± (1.5% + 3)- AC voltage measurement range (V): 0V ~ 600V, accuracy: ± (1.5% + 3) measurement frequency (>- 3)- z - 3) 65 Hz, accuracy: ± (2% + 3)- Active power measurement range (W): 0W ~ 12kW, accuracy: ± (3% + 3)- apparent power measurement range (VA): 0VA ~ 12kVA, accuracy: ± (3% + 3)- power factor: -1 ~ +1, accuracy: ± 0.03- phase angle: 0° ~ 360°, accuracy: ± 1°- sum of current vectors: 0mA ~ 60A- direct phase rotation test: U1 -- U2-U1 -- U I1-I2-I3- phase sequence test - reverse rotation: U1-U3-U2 or I1-I3-I2- Backlit dot matrix LCD display for vector display: 240 dots × 160 dots- sampling frequency: approx. 0.5 times/s- automatic range switching: yes- Input impedance for DCV: ≥2MΩ- Data Hold: yes- Data storage: yes, 99 records- Data interface: RS-232- Power supply: 1.5 V battery switch (single-use, automatic shut-off) x 6 15 minutes- Low battery indicator: yes- net product weight: 550 g- product dimensions: 196 mm x 92 mm x 54 mm- product colour: red and grey Package contents: - UNI-T6B current analyser: - UNI-Tc7B 7.5 mm x 13 mm: 3 pcs- Test leads: 4 pcs (1 yellow, 1 green, 1 red, 1 black)- Data cable: 1 pc- CD with software for computer transfer: 1 pc- Manual: 1 pc- user manual- 6 pcs. 1 pc Wholesale packaging: - standard quantity per box: 1 pc- standard box dimensions: 337 mm x 136 mm x 333 mm- standard gross weight of box: 3.3 kg MANUFACTURER: UNI-TRENDhttps://www.uni-trend.com/

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UNI-T L16 Test Probe Set UT-L16 probes Technical specifications: - length: 1200 mm, probe length: 133 mm- tip length: 18 mm- double insulation- safety features: dual application: 00V: 110 A insulated silicone wire, hole-type input terminal, general-purpose probes, all multimeters- packaging: 1 pair

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UNI-T UT131C Multimeter This product comes with a 3-year warranty. UT131C with temperature measurement The new generation of multimeters in the UT131 series offers a higher standard of measurement in the low-cost multimeter category. The innovative, industrial design ensures the multimeter can withstand a drop from a height of two metres. The new LCD display is both more comprehensive and more practical for all users and features a backlight option. Multimeters in the UT131 series ensure safe use and measurement in accordance with CAT II standards. Multimeter functions: AC voltage measurement – 200 V / 250 V DC voltage measurement - 200 mV / 250 V DC current measurement: 0.1 μA – 0000. Resistance measurement - 200.0 Ω / 20.0 MΩ Temperature measurement: -40°C to +250°C Continuity test (buzzer) Diode test Manual range selection Reverse polarity detection Automatic backlight shut-off Auto display/shutdown Display function/display idle for 15 min Test leads and K-type thermocouple included Low battery indicator Overload protection, fused Technical parameters: AC voltage measurement (range, resolution, accuracy): 200.00 V / ± 3 V / ± 3. 250 V / 1 V / ± 1.2 % + 3 DC voltage measurement (range, resolution, accuracy): 200 mV / 0.1 mV / ± 0.7 % + 3 2000 mV / 1 mV / ± 0.5 % V / 20.0 ± 0.7 % + 3 200.0 V / 0.1 V / ± 0.7 % + 3 250 V / 1 V / ± 0.7 % + 3 DC current measurement (range, resolution, accuracy): 2000.0 % / ± 1 μA / ± 1 μA / ± 1 μA 2 20.0 mA / 0.01 mA / ± 1.0 % + 2 200.0 mA / 0.1 mA / ± 1.0 % + 2 10.00 A / 0.01 A / ± 1.2 % + 5 resolution (measurement resolution, accuracy) 200.0 Ω / 0.1 Ω / ± 1.0 % + 2 2000 Ω / 1 Ω / ± 0.8 % + 2 20.00 kΩ / 0.01 kΩ / ± 0.8 % + 2 200.0 kΩ / 200.0 kΩ / 200.0 kΩ / 20.0 kΩ / 20.00 MΩ / 0.01 MΩ / ±1.2 % + 3 The multimeter complies with IEC 61010-1, IEC 61010-2-030, CAT II Dimensions (mm): 134 x 77 x 47 Power supply: 1 VAAA x 5 AA. (included) Weight: approx. 206 g (with batteries) Operating temperature: 0 - 40°C Manufacturer: UNI-TREND

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UNI-T A25D PM2.5 Monitor This product comes with a 3-year warranty. The A25D is an office air quality monitor used to monitor PM2.5 concentrations in homes, shopping centres, offices, stations, etc. PM2.5 particles are air pollutants with a diameter of 2.5 µm or less, containing soot, smoke, metals, nitrates, sulphates, dust, water and tyre rubber. When we breathe, PM2.5 can reach deep into our lungs, and some particles can even enter the bloodstream. Exposure to fine particles can affect the heart and lungs. Product specifications: - real-time measurement of PM2.5 concentration- Temperature and relative humidity measurement- Built-in LiPo battery- 3 hours to fully charge; can also be used whilst charging- PM2.5 display,- If the limit (μg/m³) is exceeded, the backlight turns red- In addition to exact values and guidance emojis Technical specifications: PM2.5 measurement (μg/m³):- range 0 to 100 ± (10 μg/dm³) +10 μg/dm³ +10 μg/dm³ 8 +10 μg/m³ 1 ± ambient temperature / ambient humidity: 40% to 75% RH- range 101 to 400 ± (10% + 30 dgts) / Ambient temperature: 18 to 28 °C / Ambient humidity: 40% to 75% RH- range 401 to 500 ± (10% + 30 digits) / 5 (10% to 28 °C) / ambient humidity: 40% to 75% RH Temperature measurement °C: -10 °C to +50 °C (0.1 °C/±1 °C)Humidity measurement: 0 to 99% RH (1% RH) / at ambient temperature 18 to 28 °C Backlit LCD display: 42 mm x 65 mmWeight: 230 gDimensions: 75 mm x 55 mm x 130 mm Operating environment:- for indoor and outdoor environments or vehicles- Operating altitude: below 2,000 metres at 50 °C; Operating humidity: 0 to 99% RH Package contents- UNI-T A25D measuring instrument- charging cable- user manual  /> />   /> /> parameters: 1. Technical specifications: Operation / Range / Resolution / Accuracy / Note PM2.5 / 0 to 500μg/m³ / 1μg/m³ / ±(10μg/m³ + 10dgts) / Ambient temperature: 18 to 28°C / Ambient humidity 40% to :> 40% RH Range 100μg/m³ PM2.5 / 0 to 500μg/m³ / 1μg/m³ / ±(10% + 30dgts) / Ambient temperature: 18 to 28°C / Ambient humidity: 40% to 75%RH @ 101% to 40μg/m³ 0 to 500μg/m³ / 1μg/m³ / ±(10% + 50dgts) / Ambient temperature: 18 to 28°C / Ambient humidity: 40% to 75%RH @ 401 to 500 μg/m³ range Temperature / -10°C / -10°C / -10°C ±1°C Humidity / 0 to 99%RH / 1%RH / ±5%RH @30% to 80%RH / Temperature 18°C to 28°C Humidity / 0 to 99% RH / 1% RH / ±8% RH @ less than 30% RH / temperature less than 30% RH / more 80%RH 2. PM 2.5 Concentration assessment emoticons Concentration Emoji Backlight (μg/m³) 0 to 35 White excellent 36 to 75 White – Good 76 to 115 Light pollution White 116 to 150 Red Pollution level 151 to 250 Severe pollution Red 251 to 500 Severe pollution red 3. General features - powered by a built-in 1500mAh LiPo battery- 42mm x 65mm backlit LCD display, alarm - red backlight- Weight 230g- external dimensions 75mm x 55mm x 130mm- operating principle: PM2.5 -/>- altitude: less than or equal to 2000 metres- operating temperature: -10 to +50 °C; operating humidity: 0 to 99% RH- Storage temperature: -20 to 60 °C Package contents: - UNI-T A25D measuring instrument- µUSB-USB charging cable- User manual in Czech and English

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UNI-T UT220 Clamp Meter This product comes with a 3-year warranty. UNI-T UT220 Clamp Meter - 2000A SPECIFICATIONS AC currents 200A/2000A Accuracy ±5/2% AC. Voltage 2V/20V/200V/1000V Accuracy ±(1.2%+5) Direct voltage 2V/20V/200V/750V Accuracy ±(0.8%+1) Resistance 200Ω/2kΩ/20kΩ/200kΩ/2MΩ/20MΩ Accuracy ±(1%+2) FUNCTIONS Display range 2000 Autorange Diomm Autorange Test capacity Continuity test Data Hold Max mode Display backlight Signature display Auto power off Low battery indicator Input impedance 10MΩ+ GENERAL FEATURES Power: 9V battery / Dimensions: 298x100x48mm LCD size: 43x30mm Weight: 390g

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