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.
1000 ft line-of-sight signal range starting with serial number YJRH-2439-0001*
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