Since 1910， General Tools has grown to become the recognized industry leader for specialty hand tools and instruments. The EP8710 is ideal for measuring any environment's ambient temperature， relative humidity (RH)， dew point and wet bulb temperatures， as well as other condensation-related parameters. These measurements are typically made by three groups of users: Water damage restoration contractors; HVAC/R system installers and technicians; and Professionals charged with monitoring and maintaining the environment of facilities such as office buildings， greenhouses， food and equipment storage facilities， wineries， freezers， shipping containers， computer rooms， labs， libraries， museums and saunas. Thanks to the inclusion of an external temperature probe， HVAC/R technicians can also make good use of 2 condensation-related parameters calculated by the EP8710: 1) the surface temperature of a solid object， the object's internal temperature (if it can be penetrated)， or the temperature of a liquid or gas; and 2) a solid object's condensation temperature the difference between its surface temperature and the dew point temperature.

Ambient temperature measurement range/accuracy: 14° to 122°F/±1.8°F

RH measurement range/accuracy/resolution: 0 to 99.9%/±3% from 5% to 95%/0.1%

Data hold and min/max functions

External probe for measuring internal and surface temperatures of objects and fluids from 14° to 158°F with ±1.8°F accuracy

Jumbo (1.7 in. diagonal) backlit display with 2-line readout

Field calibratable using optional 33% and 75% salts

Degree F/C switch

20-minute auto power off (can be disabled for calibration)

Includes sensor protection cap， external temperature probe， 9V battery， user's manual