The NSH1 Bluetooth Psychrometer offers reliable and precise humidity measurement for HVAC applications. Compatible with the myNAVAC™ app and A2L refrigerants, it provides the flexibility of wireless connectivity or standalone use with a large, easy-to-read digital display. The psychrometer simultaneously displays key psychrometric data points, including dry bulb, wet bulb, dew point, relative humidity, absolute humidity, and enthalpy, ensuring comprehensive insights for diagnostics. Its high-accuracy sensor delivers fast and reliable readings, while the intuitive one-button operation and easy-to-switch knob simplify use. Equipped with a rechargeable lithium battery lasting up to 150 hours and an optional auto power-off feature, the NSH1 combines accuracy, convenience, and durability for a dependable solution. Model NSH1 Measurement Range Temperature: -40°F to 249.8°F Humidity: 0 to 100% RH Measurement Units °F (Fahrenheit) °C (Celsius) % RH (Relative Humidity) °Ftd (Fahrenheit, dry bulb temperature) °Ctd (Celsius, dry bulb temperature) Wet Bulb °F Wet Bulb °C Accuracy Humidity: ±2.0%RH（10 to 90%RH) (at 77°F/25°C) ±5.0%RH（< 10%Rhor > 90%RH) (at 77°F/25°C) Temperature: ±1.1°F (−4°F to 32°F) / ±0.6°C (-20~0°C) ±0.9°F (32°F to 140°F) / ±0.5°C (0~ 60°C) ±1.3°F (140°F to 248°F)/ ±0.7°C (60°C~ 120°C) Resolution Humidity: 0.1%RH Temperature: 0.1°C Sensor Type Humidity: Capacitive Polymer Film Temperature: Precision Thermistor Response Time 10 seconds Bluetooth Range 164 ft (50m) Power Supply Rechargeable 1200mAh lithium battery. For the best charging experience, please use the provided cable, or USB-A to USB-C cables. Rechargeable Battery Operating Time Screen off: ＞200h; Screen on: >40h Unit Weight 7.8oz 0.49lbs (220g) Accessory Carry bag Wireless Frequency 2.4 GHz Auto Power Off(APO) 2 hours (can be disabled) Flexible Probe Length: 7.9 in (200 mm) Diameter: 0.39 in (10mm) Minimum Device Requirement BLE4.0 or above, Android 7.0.0 or above, Apple iOS 12.0 or above Warranty 1 Years
