Siemens QFM3171 SKU: QFM3171 $252.36 $664.10 Quantity -+ Limited Factory Stock Details Duct Relative Humidity/Temperature Sensor, 2% Accuracy, 4-20 mA Output, 1k Ohm Platinum Thermistor, NEMA 1/IP65 Enclosure, 5-Year Warranty Data Sheet Installation Instructions DetailsData SheetInstallation Instructions Back Duct Relative Humidity/Temperature Sensor, 2% Accuracy, 4-20 mA Output, 1k Ohm Platinum Thermistor, NEMA 1/IP65 Enclosure, 5-Year Warranty Back Back Stocked items ship in 1 business day. Factory items typically ship in 3-5 business days (estimate only). Actual times may vary.Email sales@energycontrol.com for more information.