The Model RP3 Wireless Thermo-Hygrometer Probe measures relative humidity, temperature, dew point, and wet bulb temperatures when combined with the Model UHH6 Universal Handheld. In order to protect the sensor in higher air flow ducts, each probe comes with a membrane filter. Factory calibrated replacement humidity sensors can plug directly into the probe without requiring additional calibration.

These probes use a Bluetooth Low Energy (BLE) signal for effortless connection and low power consumption. Wireless probes can take measurements up to 50 feet away from the UHH6 or compatible handheld.

A bicolor LED flashes on the handle of the probe to indicate communication status with the handheld device. The battery is rechargeable via the mini-USB connector on the bottom of the probe.