Exfo 421307 Overview
The Extech 421307, Heavy Duty Thermometer is one of the widely used Heavy Duty Thermometers available in the industry. It comes with a rugged design that is suitable for the field use. It also includes a rubber Holster. The dual Input model provides differential readings. It has a front panel offset adjustment to optimize accuracy and it is accurate to 0.3%. The user can switch between C / F.