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

Flush Mount Sensor, 20K Ohm NTC Non Linear, Wall Flush Mount Sensor without Logo, 45/99 Degree Operating Temperature Range, 5/95% RH Non Condensing Operating Humidity Range, Used with Excel 5000 Family

Flush Mount Sensor, 20K Ohm NTC Non Linear, Wall Flush Mount Sensor with Honeywell Logo, 45/99 Degree Operating Temperature Range, 5/95% RH Non Condensing Operating Humidity Range, Used with Excel 5000 Family