Direct Acting, Pneumatic Humidistat, 45/125 Degree Maximum Operating Temperature, 25 PSI Maximum Operating Pressure, 2 Pipe Single Setpoint, Vertical or Horizontal Mounting, 3/15% RH Throttling Range, 15/75% RH Scale Range

Reverse Acting,Pneumatic Humidistat, 45/125 Degree Maximum Operating Temperature, 25 PSI Maximum Operating Pressure, 2 Pipe Single Setpoint, Vertical or Horizontal Mounting, 3/15% RH Throttling Range, 15/75% RH Scale Range

Reverse Acting, Pneumatic Humidistat, 45/125 Degree Maximum Operating Temperature, 25 PSI Maximum Operating Pressure, 2 Pipe Single Setpoint, Vertical or Horizontal Mounting, 3/15% RH Throttling Range, 65/95% RH Scale Range

Pneumatic Humidity Sensor, Direct Acting, Push on Barb for 5/32" O.D. Tubing, 25 Psi Maximum Operating Pressure, 3-15 PSI Output Pressure Range, 16-21 PSI Supply Pressure, 1 or 2 Pipe, 15-75% RH Sensor Range, Vertical or Horizontal Wall Mounting or Duct Sampling Chamber