VWR 620-2487 Traceable 4155 Digital Thermo-Hygrometer, Ambient Temp & Humidity

Amprobe THWD-3 Humidity Range & Temperature Meter Used Works Nice Clean Shape

Amprobe THWD-5 Relative Humidity and Temperature Meter

Amprobe THWD-3 Relative Humidity Temperature Meter test humidity from 0 to 100%

Amprobe THWD-5 Relative Humidity and Temperature Meter

Lot Of 2 Traceable 4040 Fisher Scientific Thermometer Humidity Temp. RH Monitor

Amprobe THWD-10W Wireless Temperature Relative Humidity Meter

Amprobe THWD-5 Relative Humidity and Temperature Meter