Best Ruoshui in 2026

This multimeter can accurately measure up to 600A AC Current, Up to 600V AC/DC Voltage, Frequency or Duty Cycle, Resistance, Capacitance and also provides Diode, Continuity and Temperature tests. True RMS for accurate measurements on non-linear loads.

Digital clamp meter offer a safe, effective way to test electric currents without stripping wires.

NCV non-contact voltage sensing, when detecting current and voltage, it will prompt sound and light according to the voltage intensity

This multimeter can accurately measure up to 600A AC Current, Up to 600V AC/DC Voltage, Frequency or Duty Cycle, Resistance, Capacitance and also provides Diode, Continuity tests. True RMS for accurate measurements on non-linear loads.

Digital clamp meter offer a safe, effective way to test electric currents without stripping wires.

NCV non-contact voltage sensing, when detecting current and voltage, it will prompt sound and light according to the voltage intensity

✔️【Confidence in Ruoshui】 - At Ruoshui, we only use the highest quality materials, so we are confident to provide an industry-leading 2-year warranty and after-sales service. → Watch the video for a quick overview of the Multimeter 890H

✔️【WIDE APPLICATIONS】- Accurately measure AC/DC current, AC/DC voltage, resistance, diode, duty cycle, continuity, frequency, liquid temperature, wire switch and battery inspection. For professionals, it has features for your every use

✔️【Convenient Function】- Insert the wire, switch the dial to select the function you need, and the corresponding LED light flashes. For starters, the meter's LED smart indicators help you get started. 2.75" (~7cm) LCD backlit display with flashlight on the back ensures easy use in dimly lit areas

This multimeter can accurately measure up to 600V AC/DC Voltage , Up to 10A DC Current, Frequency, Resistance tests. True RMS for accurate measurements on non-linear loads.

The NCV induction voltage range is 48-220V.When the meter is gradually approached to the point to be detected,the AC voltage intensity is detected,the red indicator light of the meter flashes and the buzzer emits a beep sound.

Built to withstand a 3.3-foot (1 m) drop and withstand daily wear and tear on the job site

An accurate,reliable and easy to measure insulation resistance,voltage.

Wide measuring range,voltage:250V/500V//750V1000V, resistance:0.1MΩ～2000MΩ.

Large LCD backlight display,convenient to read data,max display counts 1999.

True-RMS clamp meter: This multimeter can accurately measure AC/DC Current, AC/DC Voltage, Frequency or Duty Cycle, Resistance, Capacitance and also provides Diode, Continuity and Temperature tests. True RMS for accurate measurements on non-linear loads. Easy to use for labs factories and household.

LowZ & LPF: Low input impedance helps prevent false readings due to ghost voltage. Low Pass Filter (LPF) for accurate measurement of variable frequency drive signals when measuring motors and transformer. To measure the current you need to clamp the meter around one of the wires and not the whole power cord.

NCV Detection Function: Non-contact voltage detection effectively check electrical status through measuring EM field intensity without touching any wires; The NCV button lies on the right side. Simply place your thumb on it and push.

[Auto-Ranging Clamp Meter]: The meter measures AC Current to 600 amp, AC and DC Voltage to 600 V, Resistance to 40MΩ and Capacitance to 4MF. Does not measure DC Current.

[True-RMS Amp Meter]: The sensing meter accurately measures distorted waveforms and provides true readings when measuring linear or non-linear loads.

[Advanced Functions]: Auto-off of inactivity after 15 minutes, Data Hold, MAX/MIN Reading, Low Battery Indicator and Continuity Loud Buzzer.

CL120 Clamp Meter measure AC current via the clamp, and AC/DC voltage, resistance and continuity via test leads

Meter has backlit LCD for ease of viewing in low light and is CAT III 600V, Class 2 Double Insulated

RT210 detects the most common wiring problems in standard and GFCI receptacles

The 117 multimeter measures AC and DC voltage as well as AC and DC amps. The 323 clamp meter measures AC and DC voltage as well as AC amps

The 117 multimeter features true RMS for accurate measurements on non-linear loads

The 117 multimeter features low input impedance which helps prevent false readings due to ghost voltage

Digital clamp meter measures ac current to 400 amp, ac and dc voltage to 600v, and resistance to 4 kilohms

True RMS sensing meter provides accurate readings when measuring linear or non linear loads, regardless of waveform

Jaw opening measures current in a conductor upto 30 millimeter without touching or interrupting the circuit

Compact clamp meter SC260 is designed for electrical HVACR service in hot & cold environment

Durable clamp meter with higher accuracy VAC & AAC readings, True RMS, temperature, capacitance and backlight

Non-contact voltage (NCV)  & amperage readings, continuity warning & diode test

Digital clamp meter measures AC current to 400 amp, AC and DC voltage to 600 v, and resistance to 4 kilo ohms. Does not measure DC current

The true RMS sensing meter provides accurate readings when measuring linear or non-linear loads, regardless of waveform

Jaw opening measures current in a conductor up to 30 millimeter without touching or interrupting the circuit. Resistance accuracy: 1.0% ± 5 digits

Clamp Meter with automatically ranging true mean squared (TRMS) technology for increased accuracy

Test leads measure AC/DC voltage, resistance, continuity, frequency and capacitance and tests diodes

Thermocouple probe measures temperature

Digital clamp meter measures AC current to 400 amp, AC and DC voltage to 600V, and resistance to 4 kilohms

True RMS sensing meter provides accurate readings when measuring linear or non-linear loads, regardless of waveform

Jaw opening measures current in a conductor up to 30mm without touching or interrupting the circuit

Connect your meter to your smartphone with Fluke Connect Measurements

Read measurements on your phone at a safe distance, wearing less PPE while your meter takes all the risks

Record results directly to your phone and the cloud

200 dc current measurements to measure flame rod

Extended resistance range to measure thermistors up to 60k

Capture flue gas temperature

Compact: Small enough to fit in a work bag. It goes where you go.

For everyday applications, where True-RMS accuracy isn’t needed, the Fluke 302-Plus delivers reliable measurements time after time.

CAT III safety rated, and tough enough to withstand daily use. Won’t let you down on your job.

Clamp Meter measures AC current and NCVT via clamp and AC/DC voltage, resistance, frequency, DC microamps, capacitance, duty cycle, diode test, and continuity via test-leads, and temperature with thermocouple

Non-contact voltage tester integrated into the clamp jaw

Backlit LCD for ease of viewing in low light

HVAC Kit with testers for the HVAC Professional: HVAC Digital Clamp Meter, Dual IR/Probe Thermometer, and Dual Range Non-Contact Voltage Tester with Flashlight

Cat. No. CL320 HVAC Clamp Meter with TRMS technology measures AC current, NCVT, AC/DC voltage, resistance, frequency, DC microamps, capacitance, duty cycle, diode test, continuity, and temperature

Cat. No. IR07 Dual IR Probe and Thermometer measures temperature from -40 to 572 Degrees Fahrenheit (-40 to 300 Degrees Celsius); measure surface temperature with Infrared Thermometer (DS ratio 8:1)

Versatile Digital Clamp Meter: Accurately measures AC Current (DO NOT MEASURE DC CURRENT)! AC/DC Voltage, Capacitance, Resistance, Diode Continuity and Live Wire Tests. This clamp meter is a really useful tool for solving industrial and household electrical issues

Large Jaw Opening: The jaw opening measures AC current in a conductor without touching or interrupting the circuit. Its slim and compact size makes it easy to operate in narrow spaces

Thoughtful Design: Support Data Hold, Max/Min, Auto Shut-off, low battery indicator and continuity buzzer. Includes Convenient features like Audial and Visual Alarm, LCD Backlit Screen and Flashlight make it easy to use. Two 1.5V AAA batteries are included in the package

Ultra-portable tools for advance electricians, true rms response for ac current

100A AC and DC current measurement with 1mA resolution, V.F.C function for measuring signal at varia

600V ac and dc voltage measurement, resistance, diode, continuity and capacitance functions

True-RMS Clamp Meter: This multimeter can accurately measure 1000 Amp AC/DC Current, 1000V AC/DC Voltage, Frequency, Duty Cycle, Resistance, Capacitance, Diode, Continuity, and Temperature. Easy to use for labs factories and households.

Inrush Current Meter: Knowing the value of inrush current can help you locate a startup problem quickly, whether it's in the motor or in the starting circuit. The measuring time of the inrush current is about 100ms. When the current is greater than 10A, the Inrush function works well. The inrush function is only available in AC current mode, DC current does not have the inrush function.

NCV Detection & LED Flashlight: Built-in Non-Contact Voltage (NCV) Detector can easily and quickly determine whether there is a voltage. A convenient LED flashlight illuminates a dimly lit area.

Versatile Digital Clamp Meter: Accurately measures AC/DC Current, AC/DC Voltage, Capacitance, Frequency, Duty Cycle, Resistance, Diode, Continuity and Live Wire Tests. This clamp meter is a really useful tool for solving industrial and household electrical issues.

Non-contact Voltage Testing: This Clamp Meter features non-contact voltage testing with sound and light alarms. When the Meter senses a weak AC signal, the green indicator light will come on and the buzzer will emit a slow, audible beep. when the Meter senses a strong AC signal, the red indicator light will come on and the buzzer will emit a brief beep

Multifunctional & Easy to read: Support Data Hold, Max/Min, Auto power off after 15 minutes inactivity, low battery indicator and continuity buzzer. The LCD Backlit Screen and Flashlight make it easy to use in a dark working area. ZERO function decreases the data error influenced by the Earth’s magnetic field, and helps you to obtain a more accurate measurement.

Read T1, T2, or T1-T2

Rugged rubber boot

Min/Max and Hold

Accurately Measures: AC/DC voltage, only for AC current (not for DC current), resistance, and also provides diode and continuity tests

Jaw Opening: the Clamp measures the AC current in a conductor up to 26mm without interrupting the circuit

Additional Features: data hold, max reading, and an easy-to-read large LCD

Connect your meter to your smartphone with fluke connect measurements

Read measurements on your phone at a safe distance, wearing less PPE while your meter takes all the risks

Record results directly to your phone and the cloud

Test lead holder on side of clamp and optiol magnetic hanger for meter (Cat. Nos. 69445 or 69417) for hands free operation

Non-contact voltage tester integrated into the clamp jaw

High-visibility reverse contrast LCD display for improved view ability in all ambient lighting conditions

EASY-TO-READ INDICATOR: Non-contact voltage indicator (40-600VAC) with clean, simple indication for easy and accurate readings. Features a vibration mode to verify AC voltage.

ERGONOMIC CLAMP METER: Designed with an ergonomic hourglass shape for a secure, comfortable grip. Compact clamp head for easy use even in tight spaces.

AUTO SHUT OFF: Convenient low battery indicator and auto power off so that you can ensure your clamp meter is always charged and ready to use. To extend the life of your battery, the meter automatically turns off after approximately 60 minutes.

Measures AC current and NCVT via clamp and AC/DC voltage, resistance, and continuity via test-leads, and temperature with thermocouple

Non-contact voltage tester integrated into the clamp jaw

Backlit LCD for ease of viewing in low light

Mid-size clamp meter has every parameter for electrical and thermal HVACR testing in one meter

One of the most durable clamp meters in the industry that gives higher accuracy VAC & AAC readings on VFD with True RMS sensing technology

Ranges include temperature, capacitance, microamps DC for flame diode tests, and everyday electrical ranges for HVACR