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20 kHz to 90 kHz frequency range, 2.5” LCD display with bar graph and detachable tubular extension

Generates ultrasonic signals for locations where the gas/air leak does not have sufficient pressure to create an ultrasonic sound

Designed to monitor indoor air quality in one compact size unit

Takes both temperature and humidity readings in one compact size unit

Take temperature readings in this compact data logger w/ multiple parameters for recording such as sample interval timing & unit...

Pocket temperature immersion probe, centigrade

Multi-logging thermometers monitor & track temperatures & feature real-time clocks, user-selectable recording intervals, & easy data...

Dual Temperature Portable Thermometer is a completely portable dual input thermometer

Tool for indoor air quality to measure heating, ventilation, a/c, refrigeration, window flow, & temperature

Measure air velocity, relative humidity, and temperature and choose one of three ways to view the results

Eliminates the use of bearings and rotating parts, providing good and stable accuracy of all measurements

Ideal for HVAC/R technicians measuring heating, ventilation, a/c, refrigeration, wind flow, & temperature

Microprocessor-based psychrometer with an extended probe for easy target access

High-accuracy instrument measures the full range of relative humidity & features an exceptionally wide ambient temperature measuring...

Measures the full range of relative humidity & features an exceptionally wide ambient temperature measurement range

This small, portable relative humidity and temperature meter allows for quick comfortable measurements with easy-to-read dual display

Accurately measures rotational or surface speed as well as length and displays it on a large LCD screen for easy reading

Universal, economical tachometer measuring rotational or surface speed either in contact or non-contact way

Generates fixed sound level signals for calibration of sound level meters

Designed to check compliance w/ safety regulations & perform acoustic analysis by safety engineers, health, industrial and safety...

Designed to check compliance w/ safety regulations & perform acoustic analysis by safety engineers, health, industrial and safety...

Provides higher accuracy while maintaining long-term stability for superior repeatability of measurements

Troubleshoot air conditioning systems quickly and accurately

A professional tester specifically designed to accurately measure light output of the LED light sources

Measure the visible light from fluorescent, metal halide, high-pressure sodium, or incandescent sources

Pocket-sized multimeter w/ full functionality offering AC/DC voltage, AC/DC current, resistance, capacitance, frequency, diode test,...

Three electrical testers with testing functions suitable for a variety of residential applications

Provides superior features & accuracy in a smaller form factor for residential, commercial, & general troubleshooting applications

Offers True-RMS measurement along with component and logic testing for troubleshooting electronics

Offers all the right features for HVAC and plant maintenance, measuring temperature and capacitance

True-RMS digital multimeter with temperature & backlight for contractors & field service technicians

Manual ranging digital multimeter with temperature and capacitance for field service technicians

Features TTL logic test, diode test, a special 2000 MΩ measurement range w/ an integrated tilt stand for convenience on the bench

Works well in extreme temperatures, displaying measurements w/ an easy-to-read rotating scale without freezing

Works well in extreme temperatures, displaying measurements w/ an easy-to-read rotart scale without freezing

Clam-on-amp meter for electrical motor maintenance & HVAC testing in high voltage industrial environments

Amp clamp for HVAC, general electrical, or motor testing applications with AC/DC current

Amp clamp for HVAC, general electrical, or motor testing applications with AC current

Full range of AC/DC current, AC/DC voltage, & frequency measurements for basic electrical troubleshooting

Full range of AC current, AC/DC voltage, & frequency measurements for basic electrical troubleshooting

Clamp-on power meter offers AC/DC current, & voltage measurements, temperature capabilities, & wide jaws to handle large conductors

Clamp-on power meter offers AC/DC current & voltage measurements with wide jaws to handle large conductors

Includes True-RMS sensing for accuracy & dependability & extra large jaws to clamp around conductors 2 in (51 mm) in diameter

Offers superior AC/DC measurement capabilities w/ enhanced ergonomics for the highest product quality

Clamp-on power meter offers AC current, AC/DC voltage measurements, & wide jaws to accomodate large conductors

Patented 180° rotating head clamp design allows easy views of measurement in tight or inconvenient to reach places

Fast-responding, feature-packed, go-to clamp meter w/ a complete range of measuring functions for both HVAC & electrical applications

Dual Display Digital Clamp Multimeter