Siemens QAM2012.750 Series Duct Averaging 24' Temp Sensor, 1K Ohm Platinum (385 Alpha)

Siemens QAM2012.750 Series Duct Averaging 24' Temp Sensor, 1K Ohm Platinum (385 Alpha). Siemens QAM2xxx Duct Temperature Sensors, Duct Averaging and Probes. 18" rigid probe, 4" and 8" duct probe and 8-16-24' duct averaging with 1K or 10K Ohm Nickel or Platinum.