The General Tools EP8710 Multi-Function Psychrometer is designed to measure an environment's ambient temperature, relative humidity, dew point or wet bulb temperature, and other condensation-related parameters. The external stem probe can be used for measuring the surface or internal temperature of a solid object, temperature of a liquid or gas, or a solid object's condensation temperature.

• Temperature Range: 14° to 122°F
• RH Range: 0 to 99.9%