Test Instruments & Gauges
Get an accurate read every time with tools made for precision.
Shop Top Categories
Temperature & Humidity Measuring
Shop every type of thermometer and hygrometer for professional use.
Electrical Testing & Measuring
Find precise, high-quality devices for electrical testing and measurement.
Pressure & Vacuum Measuring
Shop premium pressure and vacuum gauges for fluid power systems and more.
Test & Measurement Products
Shop tools for testing and measuring in a variety of settings.
Gas & Leak Detection Testing
Shop precise detectors for indoor gas leaks, refrigerant leaks, and more.
Data Collection Products
Shop premium data collection products for tracking measurements.
Process Monitoring
Shop precision instruments and calibrators for a range of applications.
Electronic & Bench Testing
Bench test electronics, appliances, and more with premium tools.
Air Movement
Study and test the flow of air indoors and outdoors.
Test Instrument & Gauge Parts
Make sure your equipment maintains precise and accurate reads.
Materials Testing & Physical Testing
Shop testing tools for concrete, rebar locators, molds, and more.
Flow Measuring Instruments
Measure water levels, pressure, and flow with premium instruments.
About Test Instruments & Gauges
Zoro is your single source for test instruments and gauges. Electrical testing and measuring can be done with digital multimeters, pipe and utility locators, and megohmmeters. We have temperature and humidity measuring tools like thermometers and thermal imagers. Shop for pressure gauges and transducers. Maintain safety with gas and leak detection equipment. Turn to us for what you need to diagnose and solve problems before they create hazards or disrupt work.