When it comes to Test Instruments, you can count on Grainger. Supplies and solutions for every industry, plus easy ordering, fast delivery and 24/7 customer support.

Looking for UEI TEST INSTRUMENTS, Up to 1,000 ppm, Combustible Gas Detector? Find it at Grainger.com®. With over one million products and 24/7 customer service we have supplies …

When it comes to FLUKE Test Instruments, you can count on Grainger. Supplies and solutions for every industry, plus easy ordering, fast delivery and 24/7 customer support.

Combustion analyzers measure the various factors of a combustion exhaust stream and provide a visual readout of the levels of different compounds, chemicals, and other factors such as …

Temperature and environmental measurement products track changes in humidity, temperature, pressure, and other environmental factors.

Multimeters use color-coded test leads to measure voltage, current, and resistance in circuits, components, wall outlets, and other electrical devices.

Make energy system maintenance and troubleshooting easier with precision instruments. Shop Grainger for the electrical power testing instruments you need.

Product Categories Test Instruments Air Movement & Quality Testing Indoor Air Quality Testing Indoor Air Quality Testers

Test instruments and diagnostic test equipment help users isolate and solve problems and maintain vital processes, before they interrupt their work or cause hazards in the facility.

Milli- and micro-ohmmeters use four test leads to detect electrical resistance levels below a single ohm. They are often used by technicians to find insulation leaks in motors, coils, switches, and …