GM20 Series Carbon Dioxide Transmitters
GMW110 Carbon Dioxide Transmitters      
GMM110 Carbon Dioxide Modules      
GMW116 Carbon Dioxide Transmitters
GMM220 Carbon Dioxide Transmitters
GM70 Hand-Held Carbon Dioxide Meter & Probes      
GMT220 Carbon Dioxide Transmitters
GMK220 CO2 Calibration Unit      
GMP343 Carbon Dioxide Probe

Humidity Instruments   
  
HMW40/50 Humidity Transmitters      
HMD40/50 Humidity Transmitters
HMD42/53 Humidity Transmitters      
HMW60/70 Humidity Transmitters      
HMD60/70 Humidity Transmitters
HM70 Hand-Held Humidity Meter & Probes     
HMM210 Humidity & Tempature Modules      
HMP60/110 Humidity & Temperature Probes      
HMM100 Humidity Module      
HMW80 Humidity Transmitters      
HMT310 Humidity & Temperature Transmitters
HM34 Humidity & Temperature Meter      
HMI41 Humidity Indicator & Probes      
HMT100 Humidity & Temperature Transmitters      
HMK15 Humidity Calibrator      
HMT120/130 Humidity & Temperature Transmitter
HMP155 Meteorological Humidity Probes      
HMT330 Humidity And Temperature Transmitter      
HMT360 Humidity & Temperature Transmitters (Ex)
      
Dewpoint Instruments  
  
DMW19 Dewpoint Transmitters      
DMT132 Dewpoint Transmitters
DMT142 Dewpoint Transmitters      
DMT152 Dewpoint Transmitters      
DMT242 Dewpoint Transmitters
DPT145 Multiparameter Transmitter
DPT146 Dewpoint and Pressure Transmitters
DMT340 Dewpoint Transmitters
DM70 Hand-Held Dewpoint Meter & Probes          
      
Moisture In Oil Instruments    
 
MMT310 Moisture In Oil Transmitters      
MMT162 Moisture In Oil Transmitters
MM70 Hand-Held Moisture In Oil Meter & Probes
MMT330 Moisture In Oil Transmitters
      
Barometric Instruments

PTB110 Barometer

PTB210 Digital Barometers      
PTB330 Digital Barometers      
PTB330TS Transfer Standard      
PTU300 Transmitters       
 
Differential Pressure