Extech Instruments Pressure Transducer 30 Psi PT30. These Tools from the professionals at Extech Instruments is crafted applying many of the best materials to choose from as a way to supply you with a durable and trustworthy tool. Extech Instruments......

Extech Instruments Ph Meter Palm Ph With Cabled Electrode PH220-C. This feature allows you to measure the pH anywhere anytime with one instrument. The Extech PH220 also displays the pH or mV reading and temperature simultaneously on the large LCD this......

Extech Instruments Refrigerant Leak Detector RD300. It's easy to use and is ideal for detecting leakages from air-conditioning units and cooling systems that use all standard refrigerants. The multi-colored LED light bar indicates the level of leaking......

Extech Instruments Digital Manifold Pressure Gauge HD780. It also has dual inputs measuring differential pressure (P1-P2) and Type K temperature (T1-T2). For use with R22 and R410A refrigerants. Included are heavy duty connection hoses Type K......