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The YELLOW JACKET® YJACK™ Series provides a total HVAC/R diagnostic solution. Use the YJACK DEW™ PSYCHROMETER to easily and wirelessly measure temperature, humidity, wet bulb, dew point and more in ambient air or ventilation ducting using a Bluetooth® signal. The optimized sensor housing is designed for increased air exchange and better response time and with 1500 hours of extended battery life. The YJACK DEW™ PSYCHROMETER is compatible with YJACK VIEW™ App and P51-870 TITAN® devices.

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  • Features
    • Wireless measurement of psychrometric parameters with ease
    • Measures percent relative humidity, dry bulb temperature, wet bulb temperature and dew point temperature
    • Measure enthalpy change across evaporator coil for system operational efficiency
    • Features 8” flexible steel wand for optimal sensor positioning within ventilation ducting
    • Optimized sensor housing designed for increased air exchange and better response time
    • Features high strength mounting magnet for secure attachment to ventilation systems
    • Bluetooth® 4.2 compliant low energy radio
    • 400 ft line of sight signal range*
    • Compatible with YJACK VIEW™ App and P51-870 TITAN® devices (firmware version v2.0 or later)
    • Rapid response time
    • Relative Humidity Measurement Range: 0 to 100% RH
    • Relative Humidity Accuracy: +/- 2.0 %RH TYP (10 to 90 %RH)**
    • Temperature Measurement Range: -40°F to 257°F (-40°C to 125°C)
    • Temperature Measurement Accuracy: +/- 0.2 °C TYP (-10 to 80°C)**
    • Operating Temperature: -0.4°F to 131°F (-18°C to 55°C)
    • Storage Temperature: -40°F to 122°F (-40°C to 50°C)
    • Long 1500 hour battery life (2x AAA included)
    • IP52 rated
    • 2-year warranty

    *Radio interference and nearby obstructions may reduce signal strength
    **Results may vary with ambient conditions

  • Documents
  • UPCs


    YJACK DEW™ Psychrometer