Extech Instruments

The CO220 Air quality CO2 monitor measures carbon dioxide, air temperature and humidity. The CO220 also calculates dew point and wet bulb. Use in c...

The CO230 measures Carbon Dioxide (CO2), Air Temperature and Humidity, plus calculates Dew Point and Wet Bulb. Features Automatic Baseline Calibrat...

The CO240 measures Carbon Dioxide (CO2), Air Temperature and Humidity, as well as Dew Point and Wet Bulb calculations. The user settable high alarm...

The CO30 is a CO Monitor which displays Carbon Monoxide (CO) concentration, Air Temperature, and Relative Humidity. The CO30 features a programmabl...

The CO50 is a desktop CO Monitor which measures and displays carbon monoxide concentration, air temperature and humidity simultaneously. The CO50 f...

Circuit and wiring issues can introduce shock hazards (from grounding issues) and can compromise performance of machinery and equipment (from poor ...

The CTH10 is an attractive wall clock features an oversized 4.3" (109mm) digit time display that can be easily view from a longer distance than reg...

The DA30 detects AC Current (200 mA to 1000 amps) through shielded wires, conduit, and metal circuit breaker or junction boxes with audible and vis...

Non-Contact Detection of AC Current from 200mA to 1000A Ideal for use on shielded wires or conduit behind walls, metal circuit breaker or junctio...

DCP42 is a 160W Switching Power Supply. Single Output Continuous Switching Power Supply with USB offers high efficiency electrical power conversion...

Datalogs up to 100,000 readings. Programmable sample rate from 1sec to 24hrsThe DL150 is a True RMS AC voltage and current data logger. Data log up...

Datalog up to 256,000 readings with user programmable sample rateThe DL160 is a Dual Input True RMS AC Voltage/Current Data logger. Simultaneously ...

This Mini Pocket MultiMeter has a large high contrast 4000 count LCD display, Non-Contact Voltage detection for identifying live circuits, and a bu...

The DO210 is a Dissolved Oxygen Meter which measures DO from 0 to 20.0mg/L, Oxygen Percent from 0 to 100.0% and Temperature with ATC. This meter fe...

The ExStik® II DO600 meter displays Oxygen level as percent of Saturation from 0 to 200. 0 percent or Concentration from 0 to 20.00 ppm (mg/L). It ...

Screw-on membrane cap for easy replacement Measures Dissolved Oxygen and Temperature Non-interchangeable with ExStik® pH, Chlorine or ORP Meter A...

The 9-in-1 DO700 Kit measures DO concentration/saturation, pH, mV, Temperature, Conductivity, TDS, Salinity, and Resistivity. It features automatic...

The DO703 is a set of replacement or spare Membrane Caps. DO703 is for use with Extech Model DO700 Portable Dissolved Oxygen Meter. Comes in a set ...

The DO705 is a Dissolved Oxygen Electrode. This DO electrode offers a temperature and salinity sensor with automatic temperature compensation and a...

Integrated Bluetooth® connects with iOS devices to transmit readings for remote viewing Works with free Apple app to display large easy-to-read v...

The DV20 is a pocket-sized non-contact voltage detector designed for quick voltage checks on live wires before testing. Other features of this dete...

Model DV25 is a dual range NCV detector that combines two models into one. Low range measures down to 24 Volt and the high range measures up to 100...

The DV30 is an NCV Detector with a sensitivity adjustment to pinpoint the Voltage source. AC Voltage detection from 12 Volt to 600 VAC; CAT III-600...

Non-Contact Detection of AC Voltage from 6VAC to 1000VAC Telescoping probe extends to 36" (0.9m) with reach distance of 39" (1m) For use on 50/60...