Relative Humidity Transmitters
Vaisala HMD/W40and50 RH and Temperature wall and duct-mounted HVAC transmitters
Vaisala HMD/W60and70 RH and Temperature wall-and duct mounted HVAC transmitters
Vaisala HMT100 RH and Temperature wall-mounted for demanding HVAC applications
APRH100 economical RH and Temperature transmitter
Dwyer RHU-W wall-mounted, duct-mounted or outside air humidity transmitter

Dewpoint Transmitters
Vaisala DMW19 wall mount dewpoint measurement for HVAC systems integration.
Vaisala DMT340 Dewpoint and Temperature transmitter for low dewpoint measurement

Carbon Dioxide Transmitters
Vaisala GMW115 Carbocap® wall-mounted CO2 transmitter
Vaisala GMD20 / GMW20 Carbocap® duct or wall-mounted CO2 transmitter

Differential Pressure Switches and Gauges
Sensocon Series S2000
Sensocon Digital Series A1 - A4

Differential Pressure Transmitters
Sensocon Series 211 differential pressure transmitter