Selectable Temperature Sensor, 4-20mA Output, -40/150 Degree Operating Temperature Range, Senses Temperature of Outdoor Air and Provides signal to Economizer Control, Two 1/4" Quick Connect Terminals

DryBulbTempSensReturnAir4-20ma

Duct Probe, 6" Insertion Length, 20K Ohm NTC Linear Sensor, 45/99 Degree operating Temperature Range, 5/95% RH Non Condensing Operating Humidity Range, Used as Primary and/or Secondary Sensors in Electronic Control Systems, Used with Excel10 Series 1000 Only

Duct Probe, 6" Insertion Length, 20K Ohm NTC Non Linear Sensor 45/99 Degree Operating Temperature, 5/95% RH Non Condensing operating Humidity Range, Used as Primary and /or Secondary Sensor in Electronic Control Systems, Duct Probe for Return Air

Duct Probe, 6" Insertion Length, 20K Ohm NTC Non Linear Sensor 45/99 Degree Operating Temperature, 5/95% RH Non Condensing operating Humidity Range, Used as Primary and /or Secondary Sensor in Electronic Control Systems, Duct Probe for Return Air, Includes 6' Plenum Rated Cable