Best selling products

Two functions in one unit: open phase and phase sequence detection. Lamps let you determine at-a-glance if phase is open. Large size alligator cl...

The Besantek BST-SL2 Sound Level Meters is designed to cover a wide range of applications and performance criteria including noise pollution studie...

BESANTEK BST-VM02 Industrial Heavy Duty Vibration Meter is designed for measuring the vibration of mechanical equipment, velocity, and acceleration...

The Besantek BST-VT106 Non-Contact Low Voltage Detector is intended to check for the presence of AC voltage. Signaling the user with an intermitten...

The Besantek BST-VT107 Non-Contact Low Voltage Detector is intended to check for the presence of AC voltage. Signaling the user with an intermitten...

7pH buffer solution Comes in convenient pint size plastic bottles

The PQ2071 is a 1-/3-Phase 1000 Amp True RMS AC Power Clamp Meter. Extech's multifunctional PQ2071 Power Clamp meter operates as a True RMS Clamp M...

The PQ34-12 is a set of 1200 Amp current clamp probes. For use with the Extech PQ3450 and PQ3470 analyzers. Featuring a 2 in. (50 mm) jaw size. Pro...

The PRC20 sources and measures eight thermocouple type devices (J, K, T, E, C, R, S and N) and provides precision output displayed as Centigrade/Fa...

The PRT200 is a non-contact phase sequence tester that tests up to 1000 VAC with visual/audible indication. The tester has a 45 to 65Hz frequency r...

Measures ORP/Redox from -999 to 999mV Automatic electronic self calibration Simulated analog bargraph displays change in ORP reading High resolut...

Refractometer measures the concentration of industrial fluids and sugar in fruit juice. Compact and easy to operate. Requires only 2 or 3 drops of ...

Refractometer measures the concentration of lubricants and cutting fluids. Compact and easy to operate. Requires only 2 or 3 drops of solution and ...

The Extech RF15 measures the concentration of sugar in fruit juice and industrial fluids from 0 to 32 percent Brix, with a maximum resolution of 0....

Measures the concentration of dissolved salt in fluids. Compact size, easy to operate. Automatic Temperature Compensation (ATC) from 10 to 30°C. Co...

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

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

The SD200 is a 3-Channel Temperature Datalogger. Records data on an SD card in Excel format. Selectable data sampling rate of 5, 10, 30, 60, 120, 3...

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...

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

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

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

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 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 ...