Content | The GDM-300/400 Series Hand Held DMM are a compact, high precision, battery operated multimeter series designed to meet most of the daily needs for design engineers as well as service engineers. | Instant feedback with CO2 levels, with additional temperature and humidity measurement. Built in alarm warns against dangerous CO2 levels. The portable CO2-100 Air Quality meter is designed to measure air quality compliance in occupied spaces such as offices, production floors, schools or hospitals. | With a full range of AC current, AC/DC voltage, and frequency measurement functions for basic electrical troubleshooting, the AMP-210 clamp meter with its large backlit display is an excellent amp clamp meter choice. Rated CAT III 600 V, the AMP-210 clamp meter offers True-RMS sensing, fast response processor, non-contact voltage detection, capacitance, resistance and continuity measurements to enhance efficiency and safety in today?s complex electrical environments. The Amp-Tip function allows for precise measurement of current down to the tenth of an Amp, enabling accurate current measurement of both large and small diameter wires. A low pass filter allows measurement of current and voltage on variable frequency drives (motors with speed controlled by frequency). | The Amprobe BAT-250 Battery Tester is designed for one-handed, comfortable and reliable battery measurements. The uniquely designed tester offers an ergonomic slider and a v-shaped side cradle to better hold batteries in place during testing and a contoured case shape that fits neatly in your hand. Testing your batteries has never been easier. | With a full range of AC/DC current, AC/DC voltage, and frequency measurement functions for basic electrical troubleshooting, the AMP-220 clamp meter with its large backlit display is an excellent amp clamp meter choice. Rated CAT III 600 V, the AMP-210 clamp meter offers True-RMS sensing, fast response processor, non-contact voltage detection, capacitance, resistance and continuity measurements to enhance efficiency and safety in today?s complex electrical environments. The Amp-Tip function allows for precise measurement of current down to the tenth of an Amp, enabling accurate current measurement of both large and small diameter wires. A low pass filter allows measurement of current and voltage on variable frequency drives (motors with speed controlled by frequency). | Amprobe AC68C TRMS 600 A Clamp Meter measures non-linear load current with true-rms readings. This top-of-the-line professional clamp DMM is CAT II 600 V, CAT III 300 V rated. |