Intrinsically Safe Digital Thermometers for Hazardous Locations since 1983.
Designed and Made in the USA

Portable Electronic Thermometers (PETs) for Temperature Gauging of Liquid Petroleum, and Chemical Products – view PETs

TL3-R Hand Held Reference Thermometer

Precision Digital Thermometers to Replace Mercury thermometers for Laboratory and Calibration Applications – view Reference Thermometers

Digital Contact Thermometers (DCTs) For Pipeline Flowmeter Calibration and Industrial Applications. See our TL Models.

Zone 0 Intrinsically Safe Portable Petroleum Gauging Thermometer for Cargo Inspection in Hazardous Locations – Spool Design

Zone 0 Intrinsically Safe Portable Petroleum Gauging Thermometer re-designed to the latest standards for use in Hazardous Locations

Precision Bench-top Laboratory Reference Thermometer - Dual Channel & USB Data Logger

Large Display Portable Stem Thermometer

New Product

Intrinsically Safe Portable Stem Thermometer for Laboratory and Field Reference

New Product

Intrinsically Safe Portable Stem Thermometer for Laboratory and Field - Precision Reference

New Product

Intrinsically Safe Portable Stem Thermometer for Laboratory and Field Reference - Weather Resistant