Vaisala Instrument MI70 Relative Humidity & Temperature Probe; HMP76

Vaisala Instrument MI70 Relative Humidity & Temperature Probe; HMP76B

Vaisala HMP110 Humidity + Temperature Prove

Vaisala HM40 Handheld Temperature and Humidity Meter With Extended Probe.

Vaisala Measurement Indicator MI70 W/ Carbon Dioxide Probe GMP70 GUARANTEED

Vaisala Measurement Indicator MI70 W/ Carbon Dioxide Probe GMP70 **AS IS

Vaisala HMI41 Humidity and Temperature Indicator with HMP46 Probe

Vaisala HM41 Handheld Temperature & Humidity Meter no probe