Extech Instruments

The SDL400 records data on an SD card in Excel format. Wide range to 10,000Fc or 100kLux. Cosine and color-corrected measurements. Utilizes precisi...

The SDL350 records data on an SD card in Excel format. Air Velocity/Air Flow meter with telescoping probe designed to fit into HVAC ducts and other...

The SDL310 records data on an SD card in Excel format. Measures Air Temperature to 122°F (50°C) and air velocity to 4930ft/min. Stores 99 readings ...

The SDL300 records data on an SD card in Excel format. Metal Vane withstands temperatures to 158°F (70°C) and air velocity to 6900ft/min. Datalogge...

The SDL200 records data on an SD card in Excel format. 4-Channel datalogging with 6 Thermocouple types (J, K, E, T, R,S) and 2-Channel datalogging ...

The SDL150 records data on an SD card in Excel format. Dual backlit display of Oxygen Concentration and Temperature. Measures dissolved oxygen from...

Dual display of pH or mV and Temperature ATC or manual Temperature compensation 3 point calibration ensures the best linearity and accuracy Large...

SD800 monitors air quality in schools, office buildings, greenhouses, hospitals and anywhere that high levels of carbon dioxide are generated. Sele...

This Humidity/ Temperature Datalogger records data on an SD card in Excel format for easy transfer to a PC for analysis. It features a Dual LCD tha...

The versatile RT30 uses a pager-sized, non-contact voltage detector transmitter which clamps onto wiring mid-run and transmits a "voltage present"...

The RPM33 provides both contact (2 to 19,999 rpm) and non-contact (2 to 99,999 rpm) RPM measurements for enhanced versatility. Laser guided non-con...

The RPM10 is a combination tachometer which provides both contact and non-contact RPM measurements, making this device useful in virtually all appl...

Conveniently check the Humidity and Temperature conditions in residential and professional settings to ensure comfort and safety. The RHT510 is a H...

The RHT50 records Relative Humidity (0 to 100%RH), Temperature (-40 to 158°F /-40 to 70°C) and Atmospheric Pressure (13.7 to 15psi / 950 to 1050hPa...

RHT35 uses a standard USB connection to transfer up to 48,000 readings to a PC with data/time stamp in PDF or spreadsheet format. Additional featur...

The RHT3 is an EzSmart Hygro-Thermometer for use with Android or iOS Smart Devices. The RHT3 comes with a free app from iTunes and Google Play for ...

The RHT20 is a Humidity Temperature Datalogger which records up to 16,000 Humidity and 16,000 Temperature readings with a user programmable sample ...

The RHT10 datalogs Humidity and Temperature readings (up to 16,000 each) with user programmable sample rates from 2 seconds up to 24 hours for days...

The RHM15 is a mini hygro-thermometer monitor which measures humidity and temperature and displays it simultaneously. The RHM15 has a built in memo...

Anyone whose job relies on calculating humidity levels will appreciate the Extech Hygro-Psychrometer. In addition to measuring relative humidity in...

Measure humidity and temperature simultaneously with the RH390 Precision Psychrometer from Extech. A dual-illuminated readout can be alternated to ...

The RH300-CAL is a kit which contains 33% and 75% humidity calibration bottles. Used for verifying calibration of the 445815 humidity meter. Bottle...

Extech’s pocket-sized Heat Index Psychrometer Pen easily monitors Heat Index during hot humid days to prevent heat stroke during outdoor activities...

This Combination Humidity meter plus Infrared Thermometer features a large backlit LCD with Primary and Secondary displays. Primary display is user...