Triplett Model RHT37 Digital Psychrometer

The Triplett Model RHT37 Digital Psychrometer delivers fast, accurate, and comprehensive environmental measurements in a compact, professional-grade instrument. It simultaneously displays Air Temperature, Relative Humidity, Wet Bulb, Dew Point, and Type K Temperature, allowing users to analyze real-world conditions quickly and efficiently.

Designed for versatility, the RHT37 includes dual Type K Temperature inputs for superheat and cooling applications, as well as differential temperature measurements (T1–T2, Air–T1, T1–Dew Point). Its rotatable sensor cap protects the probe during transport or storage, ensuring long-term accuracy.

The unit also features Min/Max/Average recall with timestamp, Data Hold, and Auto Power Off to conserve battery life. Ideal for professionals working in building inspection, water restoration, greenhouses, warehouses, museums, libraries, and HVAC diagnostics.

Key Features:

Simultaneous display of Air Temperature, Humidity, and Wet Bulb/Dew Point/Type K Temperature

Dual Type K inputs for superheat and cooling measurements

Differential temperature readings (T1–T2, Air–T1, T1–Dew Point)

Rotatable protective cap for sensor protection

Min/Max/Average readings with date and time stamp

Data Hold and Auto Power Off function

Tripod mount for hands-free operation

Low battery indicator for reliable field use

Includes (2) Type K bead probes and (4) AAA batteries

1-year manufacturer warranty

Applications:

Building inspection and facility maintenance

HVAC testing and energy audits

Greenhouse and environmental monitoring

Water damage restoration and air quality control

Museums, libraries, and storage area preservation