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General Tools EP8710 Psychrometer with Probe


Product Description

Calibratable Multi-function Psychrometer With External Temperature Probe


  • Jumbo backlit display with double (EP8703,EP8709) or triple (EP8710) readout
  • Field calibratable using optional 33% and 75% salts
  • Data hold and Max/Min buttons (EP8709 andEP8710 only)
  • Also calculates and displays wet bulb temperature (EP8709 and EP8710 only)
  • Using included external probe (EP8710 only),can also measure: 1) the difference between an object "s internal and surface temperatures or 2) an object "s condensation temperature "the difference between its surface temperature and the dew point temperature
  • °F/°C switch
  • 20-minute Auto Power Off (can be disabled for calibration)
  • Low battery indicator


  • Ambient Temperature Measurement Range: 14° to 122°F (-10° to 50°C)
  • Ambient Temperature Measurement Accuracy/Resolution: ±1.8°F (±1.0°C)
  • External Temperature Probe Measurement Range (EP8710 only): 14° to 158°F (-10° to 70°C)
  • External Temperature Probe Measurement Accuracy (EP8710 only): ±1.8°F (±1°C) External Probe Cord Length: 48 in. (1.22m)
  • Temperature Measurement Resolution: 0.1°
  • RH Measurement Range: 0 to 99.9%
  • RH Measurement Accuracy: ±3% from 5% to 95% RH
  • RH Measurement Resolution: 0.1%
  • RH Response Time: <80 seconds
  • Current Consumption: <15mA Battery Life: 60 hours (typical)
  • Dimensions: 7.56 x 2.40 x 1.57 in. (192 x 61 x 40mm)
  • Weight (without battery): 3.77 oz. (107g)
  • Power Source: (1) "9V " battery (included)


  • Sensor Protection Cap 
  • 9V Battery 
  • User Manual
  • External Temperature Probe 
  • 1 Year Limited Warranty

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0.75 LBS
Calculated at checkout