Vaisala HMT337 Humidity and Temperature Transmitter.

Temperature and Humidity Meter Wall-mounted Hygrometer Range -40 °C~120 ° C

Vaisala HMI41 Humidity and Temperature Indicator with HMP46 Probe

Vintage Working Simpson Model 389 Temperature Tester Therm O Meter w/ 2 Probes

Hoffritz humidity and temperature indicator made in England

Cooper Atkins SRH77A-ONLY-E 3 Zone Temperature/Humidity Digitall Instrument Only

Cooper Temperature/Humidity Digital Instrument SRH77A

Hot LCD Thermometer Hygrometer Humidity Temperature Meter Indoor +K Type Probe