Extech Instruments has been manufacturing an extensive line of electronic measuring equipment and handheld measuring devices for over 45 years. Its product catalogue includes data loggers, calibrators, gas analysers, gauges, probes, stop watches, controllers, DC power supplies, stroboscopes, testers, detectors, counters, reagents and refills. These tools are widely used in installation, testing and maintenance work in various industries and laboratories. The Extech Electronic Instruments product range includes temperature, humidity and dew point meters; multimeters; clamp meters; light meters; moisture meters; anemometers; psychrometers and tachometers. Extech multimeter is used by electrical contractors and service technicians in a wide range of applications, such as appliance repair, troubleshooting and HVAC equipment repair work. Extech moisture meter is used to measure the percentage of water in a given substance and is available in a non-invasive, pinless moisture measurement model and a pin-type probe model for a wide range of applications. The company also offers a variety of water quality testing tools, such as conductivity meters, hygrometers and thermometers, in different temperature ranges, battery types and resolutions. Most of the Extech instruments are supplied with a calibration certificate.