Collection: Temperature Sensors
Devices for temperature measurement in a readable form through an electrical signal. There are several variations of sensors based on different needs and applications used. Typically, these products are divided amongst the following: Space, Duct/Averaging, Immersion, Strap-On, Outside Air and Room. For sensors that measure multiple conditions see our 'Combo Sensors' selection. We offer a number of different manufacturers in this category including Senva, Greystone Energy, Johnson Controls and Siemens.
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Greystone TSAPA24F Temp Sensor Duct / Immersion 450mm (18") with small hinged ABS enclosure & 10K ohm type 2 thermistor (replaces TE200B24F2)
Regular price $29.64 USDRegular priceSale price $29.64 USD -
Siemens QAH11.1 Remote Changeover Temperature Sensor for RCC, RCU and RDU Series Thermostats
Regular price $20.53 USDRegular priceSale price $20.53 USD -
Siemens QAP1030.200 Surface Mount Temperature Sensor, 10k Ohm Type 2 Thermistor, Bullet Style, No Box, 6-1/2 Ft.
Regular price $19.70 USDRegular priceSale price $19.70 USD -
Siemens QAP2012.150 Surface Mount Temperature Sensor, 1k Ohm (385a) Pt RTD, Bullet Style, No Box, 6-1/2 Ft.
Regular price $36.68 USDRegular priceSale price $36.68 USD -
Siemens QAP22 Surface Mount Temperature Sensor, 1k Ohm @ 32F Ni RTD, Bullet Style, No Box, 6-1/2 Ft.
Regular price $26.06 USDRegular priceSale price $26.06 USD -
Siemens QAA1031.AATU, Button Temperature Sensor with Wallplate, 10K Ohm NTC, Stainless Steel
Regular price $190.47 USDRegular priceSale price $190.47 USD -
Siemens QAA1011.AATU, Button Room Temperature Sensor with Wallplate, 1K Ohm RTD (375), Stainless Steel
Regular price $142.11 USDRegular priceSale price $142.11 USD -
Siemens QAA1011.AASU, Button Room Temperature Sensor, 1K Ohm Platinum RTD (375), Stainless Steel
Regular price $108.41 USDRegular priceSale price $108.41 USD -
Siemens QAA2280.FWSC, Room Temperature Sensor, Full Feature, Siemens Logo, Tool Port, For Siemens TEC Controllers
Regular price $189.34 USDRegular priceSale price $189.34 USD -
Siemens QAA2280.FWNC, Room Temperature Sensor, Full Feature, No Logo, Tool Port, For Siemens TEC Controllers
Regular price $189.34 USDRegular priceSale price $189.34 USD -
Siemens QAA2280.EWSC, Room Temperature Sensor, No HMI, Siemens Logo, Tool Port, For Siemens TEC Controllers
Regular price $78.34 USDRegular priceSale price $78.34 USD -
Siemens QAA2280.EWNC, Room Temperature Sensor, No HMI, No Logo, Tool Port, For Siemens TEC Controllers
Regular price $78.34 USDRegular priceSale price $78.34 USD -
Siemens QAA2280.DWSC, Room Temperature Sensor, Display, Siemens Logo, Tool Port, For Siemens TEC Controllers
Regular price $144.43 USDRegular priceSale price $144.43 USD -
Siemens QAA2280.DWNC, Room Temperature Sensor, Display, No Logo, Tool Port, For Siemens TEC Controllers
Regular price $174.43 USDRegular priceSale price $174.43 USD -
Siemens QAA2291.FWNC Room Temperature Sensor, Wireless - P2P, Full Feature, No Logo
Regular price $328.86 USDRegular priceSale price $328.86 USD -
Siemens QAA2291.EWSC Room Temperature Sensor, Wireless - P2P, No HMI, Siemens Logo
Regular price $249.77 USDRegular priceSale price $249.77 USD -
Siemens QAA2291.DWSC Room Temperature Sensor, Wireless - P2P, Display, Siemens Logo
Regular price $270.59 USDRegular priceSale price $270.59 USD -
Siemens QAA2291.DWNC Room Temperature Sensor, Wireless - P2P, Display, No Logo
Regular price $270.59 USDRegular priceSale price $270.59 USD -
Siemens QAE2030.015 Immersion Well Temperature Sensor, 10K Ohm Type 2, 6-inch
Regular price $69.36 USDRegular priceSale price $69.36 USD -
Siemens QAE2030.010 Immersion Well Temperature Sensor, 10K Ohm Type 2, 4-inch
Regular price $65.86 USDRegular priceSale price $65.86 USD -
Siemens QAE2020.015 Immersion Well Temperature Sensor, 1K Ohm Nickel at 32 deg F, 6-Inch
Regular price $83.36 USDRegular priceSale price $83.36 USD -
Siemens QAE2020.010 Immersion Well Temperature Sensor, 1K Ohm Nickel at 32 deg F, 4-Inch
Regular price $78.83 USDRegular priceSale price $78.83 USD -
Siemens QAE2020.005 Immersion Well Temperature Sensor, 1K Ohm Nickel at 32 deg F, 2.5-Inch
Regular price $79.26 USDRegular priceSale price $79.26 USD -
Siemens QAE2012.015 Immersion Well Temperature Sensor, 1K Ohm Platinum (385 Alpha), 4" Probe
Regular price $76.53 USDRegular priceSale price $76.53 USD -
Siemens QAE2012.010 Immersion Well Temperature Sensor, 1K Ohm Platinum (385 Alpha), 6" Probe
Regular price $76.28 USDRegular priceSale price $76.28 USD -
Siemens QAE2012.005 Immersion Well Temperature Sensor, 1K Ohm Platinum (385 Alpha), 2.5" Probe
Regular price $72.98 USDRegular priceSale price $72.98 USD -
Siemens QAM1035.008P50 Duct Temperature Sensor, NTC 100K Ohm Type 2, 3" probe, for Commissioning Only, 50-Pack
Regular price $862.94 USDRegular priceSale price $862.94 USD -
Siemens QAM1030.008P50 Duct Temperature Sensor, NTC 10K Ohm Type 2, 3" probe, for Commissioning Only, 50-Pack
Regular price $788.31 USDRegular priceSale price $788.31 USD -
Siemens QAM2030.010 Series Duct Point 4" Temp Sensor, 10K Ohm NTC Type 2
Regular price $32.09 USDRegular priceSale price $32.09 USD -
Siemens QAM2020.010 Series Duct Point 4" Temp Sensor, 1K Ohm Nickel at 32 Deg F
Regular price $47.17 USDRegular priceSale price $47.17 USD -
Siemens QAM2012.010 Series Duct Point 4" Temp Sensor, 1K Ohm Platinum (385 Alpha)
Regular price $37.08 USDRegular priceSale price $37.08 USD -
Siemens QAM2030.020 Series Duct Point 8" Temp Sensor, 10K Ohm NTC Type 2
Regular price $33.65 USDRegular priceSale price $33.65 USD -
Siemens QAM2021.020 Series Duct Point 8" Temp Sensor, 1K Ohm Nickel at 70 Deg F
Regular price $66.66 USDRegular priceSale price $66.66 USD -
Siemens QAM2020.020 Series Duct Point 8" Temp Sensor, 1K Ohm Nickel at 32 Deg F
Regular price $49.92 USDRegular priceSale price $49.92 USD -
Siemens QAM2012.020 Series Duct Point 8" Temp Sensor, 1K Ohm Platinum (385 Alpha)
Regular price $39.08 USDRegular priceSale price $39.08 USD -
Siemens QAM2030.045 Series Duct Point 18" Rigid Probe Temp Sensor, 10K Ohm NTC Type 2
Regular price $35.39 USDRegular priceSale price $35.39 USD -
Siemens QAM2020.045 Series Duct Point 18" Rigid Probe Temp Sensor, 1K Ohm Nickel at 32 Deg F
Regular price $51.90 USDRegular priceSale price $51.90 USD -
Siemens QAM2030.250 Series Duct Averaging 8' Temp Sensor, 1K Ohm Platinum (385 Alpha)
Regular price $117.44 USDRegular priceSale price $117.44 USD -
Siemens QAM2012.250 Series Duct Averaging 8' Temp Sensor, 10K Ohm NTC Type 2
Regular price $88.05 USDRegular priceSale price $88.05 USD -
Siemens QAM2030.500 Series Duct Averaging 16' Temp Sensor, 10K Ohm NTC Type 2
Regular price $97.59 USDRegular priceSale price $97.59 USD -
Siemens QAM2012.500 Series Duct Averaging 16' Temp Sensor, 1K Ohm Platinum (385 Alpha)
Regular price $113.44 USDRegular priceSale price $113.44 USD -
Siemens QAM2030.750 Series Duct Averaging 24' Temp Sensor, 10K Ohm NTC Type 2
Regular price $112.39 USDRegular priceSale price $112.39 USD -
Siemens QAM2021.750 Series Duct Averaging 24' Temp Sensor, 1K Ohm Nickel at 70 Deg F
Regular price $142.75 USDRegular priceSale price $142.75 USD -
Siemens QAM2020.750 Series Duct Averaging 24' Temp Sensor, 1K Ohm Nickel at 32 Deg F
Regular price $139.95 USDRegular priceSale price $139.95 USD -
Siemens QAM2012.750 Series Duct Averaging 24' Temp Sensor, 1K Ohm Platinum (385 Alpha)
Regular price $125.04 USDRegular priceSale price $125.04 USD -
Siemens QAC3171, Outside Air Temperature Sensor, 4-20mA, -58-122F, Plastic
Regular price $113.21 USDRegular priceSale price $113.21 USD -
Siemens QAC3161, Outside Air Temperature Sensor, 0-10V, -58-122F, Plastic
Regular price $113.21 USDRegular priceSale price $113.21 USD -
Siemens QAC22, Outside Temperature Sensor, -22 to 122 degrees Fahrenheit
Regular price $36.06 USDRegular priceSale price $36.06 USD -
Siemens QAC2032U, Outside Air Temperature Sensor, 10K Ohm Type 3
Regular price $55.84 USDRegular priceSale price $55.84 USD -
Siemens QAC2030U, Outside Air Temperature Sensor, 10K Ohm, Type 2
Regular price $52.02 USDRegular priceSale price $52.02 USD