Sensors
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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Siemens QAD2030
Siemens
$22.56Strap-on pipe temperature sensor with NTC 10K ohm Type II sensing element and robust plastic housing.QAD2030$22.56 -
Siemens QAD2020U
Siemens
$56.29Surface-mounted pipe sensor with Nickel 1K ohm sensig element and 2 x 4 utility box metal housing.QAD2020U$56.29 -
Siemens QAD2012U
Siemens
$57.23Surface-mounted pipe sensor with Platinum 1K ohm (385 alpha) sensing element and 2 x 4 utility box metal housing.QAD2012U$57.23 -
Siemens QAD2012
Siemens
$26.54Strap-on pipe temperature sensor with Platinum 1K ohn (385 alpha) sensing element and robust plastic housing.QAD2012$26.54 -
$93.30
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$93.30
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Siemens QAC22
Siemens
$26.47Outside sensor for acquiring the outside temperature and – to a lesser degree – solar radiation, the effect of wind and the temperature of the wall.QAC22$26.47 -
Siemens QAC2032U
Siemens
$48.73Outdoor air temperature sensor; 10K ohm, type 3 thermistor sensing element; uses metal housing.QAC2032U$48.73 -
Siemens QAC2030U
Siemens
$45.40Outdoor air temperature sensor, 10K ohm, type 2 thermistor sensing element; uses metal housing.QAC2030U$45.40 -
$16.28
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Siemens QAC2021U
Siemens
$91.59Outdoor air temperature sensor; 1K ohm at 70 degrees Fahrenheit, nickel sensing element; uses metal housing.QAC2021U$91.59 -
Siemens QAC2020U
Siemens
$62.05Outdoor air temperature sensor; 1K ohm at 32 degrees Fahrenheit, nickel sensing element; uses metal housing.QAC2020U$62.05 -
Siemens QAC2012U
Siemens
$52.77Outdoor air temperature sensor, Platinum 1000 Ohm (385) sensing element; uses metal housing.QAC2012U$52.77 -
$19.99
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Siemens QAA1031.AATU
Siemens
$137.09Button Room temperature sensor with wallplate for APOGEE Terminal Equipment Controller (TEC) with 10K ohm NTC element. Stainless steel finish.QAA1031.AATU$137.09 -
Siemens QAA1011.AATU
Siemens
$111.63Button Room temperature sensor with wallplate for APOGEE Terminal Equipment Controller (TEC) with 1K ohm platinum RTD (375 Alpha) element. Stainless steel finish.QAA1011.AATU$111.63 -
Siemens QAA1011.AASU
Siemens
$90.29Button Room temperature sensor for APOGEE Terminal Equipment Controller (TEC) with 1K ohm platinum RTD (375 Alpha) element. Stainless steel finish.QAA1011.AASU$90.29 -
Siemens AQY2030
Siemens
$518.07For 2 percent relative humidity outdoor air and duct sensors.AQY2030$518.07 -
Siemens AQY2010
Siemens
$372.36For 2 percent relative humidity outdoor air and duct sensors.AQY2010$372.36 -
$10.64
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$292.50
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Siemens AQF3150
Siemens
$179.25For 2 percent duct or outdoor air relative humidity element replacement.AQF3150$179.25 -
Siemens AQF3101
Siemens
$39.44Replacement filters for duct relative humidity and temperature sensor tips. Pore size 10 µm. Packing unit: 3 pieces per bag.AQF3101$39.44 -
Siemens AQF3100
Siemens
$29.29Accessory for QFA31xx and QFA41xx Outdoor Air Humidity Sensors.AQF3100$29.29 -
$40.21
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$37.85
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$54.80
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$47.29
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$34.33
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$26.86
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$25.51
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$324.23
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$324.23
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$324.23
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$324.23
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$324.23
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$324.23
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$324.23
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$324.23
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$324.23
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$324.23
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$324.23
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$324.23
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$324.23
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$324.23
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Siemens 590-782
Siemens
$286.10Differential Pressure Sensor in Conduit Bod, 0.4% FS, 0.5-in WC, 4 to 20 mA output.590-782$286.10 -
Siemens 590-781
Siemens
$286.10Differential Pressure Sensor in Conduit Box, 0.4% FS, 0.65-in WC, 4 to 40mA output.590-781$286.10 -
Siemens 590-780
Siemens
$286.10Differential Pressure Sensor in Conduit Box, 0.4% FS, 1-in WC, 4 to 20 mA output590-780$286.10 -
Siemens 590-510
Siemens
$210.57The Series 590 Differential Pressure Sensors convert differential pressure to a proportional electronic output signal. They can be used with any device that accepts a 0 to 10V input.590-510$210.57 -
Siemens 545-208
Siemens
$712.28This 545 Electronic-to-Pneumatic Transducer converts an electronic signal into a linear pneumatic signal. This electronic-to-pneumatic transducer is Remote Mounted, and has a Hand-Auto Switch, Override Dial, High Capacity, Non Bleed Device, 0 to 20 psig545-208$712.28 -
Siemens 545-113
Siemens
$699.74This 545 Electronic-to-Pneumatic Transducer converts an electronic signal into a linear pneumatic signal. This electronic-to-pneumatic transducer is panel mounted, insensitive to vibration, and has a hand-auto switch and override dial for manual control545-113$699.74 -
Siemens 544-973
Siemens
$23.21Flush mount room temperature sensor with a 1,000 Ohm Platinum RTD (375 Alpha) sensing element. This room sensor has a temperature range of –40 to 240 deg F (-40 to 120 deg C) and is designed for those applications where a covered room temperature sensor i544-973$23.21 -
Siemens 544-578
Siemens
$49.89This outdoor air RTD sensor provides input for cost-effective, accurate temperature sensing for all controllers that accept a 1000 ohm platinum RTD input. It has a temperature range of -40 to 240 degrees Fahrenheit. This sensor allows through-the-wall mou544-578$49.89 -
Siemens 544-577-RK
Siemens
$70.39This repair kit provides the components needed to repair all immersion temperature sensors with prefix 544-577544-577-RK$70.39 -
Siemens 544-577-60
Siemens
$77.36Liquid immersion temperature sensor with 1000 ohm Platinum (375 Alpha) element. Temperature range is from -40 to 240 degrees Fahrenheit (-40 to 116 degrees Celsius). Element is 6 inches (15 cm) long.544-577-60$77.36 -
Siemens 544-577-40
Siemens
$77.36Liquid immersion temperature sensor with 1000 ohm Platinum (375 Alpha) element. Temperature range is from -40 to 240 degrees Fahrenheit (-40 to 116 degrees Celsius). Element is 4 inches (10 cm) long.544-577-40$77.36 -
Siemens 544-577-25
Siemens
$77.36Liquid immersion temperature sensor with 1000 ohm Platinum (375 Alpha) element. Temperature range is from -40 to 240 degrees Fahrenheit (-40 to 116 degrees Celsius). Element is 2.5 inches (5 cm) long.544-577-25$77.36 -
Siemens 544-562-RK
Siemens
$92.04Immersion Well Repair Kit; 32 to 212 degrees Fahrenheit, 4 to 20 mA.544-562-RK$92.04 -
Siemens 544-562-60
Siemens
$124.03Liquid immersion temperature sensor with 100 ohm platinum RTD and 4 to 20 mA output. Temperature range is from 32 to 212 degrees Fahrenheit (0 to 100 degrees Celsius). Element is 6 inches (15.2 cm) long.544-562-60$124.03 -
Siemens 544-562-40
Siemens
$121.27Liquid immersion temperature sensor with 100 ohm platinum RTD and 4 to 20 mA output. Temperature range is from 32 to 212 degrees Fahrenheit (0 to 100 degrees Celsius). Element is 4 inches (10.2 cm) long.544-562-40$121.27 -
Siemens 544-562-25
Siemens
$118.51Liquid immersion temperature sensor with 100 ohm platinum RTD and 4 to 20 mA output. Temperature range is from 32 to 212 degrees Fahrenheit (0 to 100 degrees Celsius). Element is 2.5 inches (6.4 cm) long.544-562-25$118.51 -
Siemens 544-560-8
Siemens
$72.26Rigid single point duct sensor with a 100 ohm platinum RTD sensing element. Temperature range is from –4 to 122 degrees Fahrenheit (-20 to 50 degrees Celsius). This unit has an 8-inch (20 cm) probe.544-560-8$72.26 -
Siemens 544-560-4
Siemens
$72.26Rigid single point duct sensor with a 100 ohm platinum RTD sensing element. Temperature range is from –4 to 122 degrees Fahrenheit (-20 to 50 degrees Celsius). This unit has a 4-inch (10 cm) probe.544-560-4$72.26 -
Siemens 544-560-18
Siemens
$72.26Rigid single point duct sensor with a 100 ohm platinum RTD sensing element. Temperature range is from –4 to 122 degrees Fahrenheit (-20 to 50 degrees Celsius). This unit has an 18-inch (46 cm) probe.544-560-18$72.26 -
Siemens 544-374B
Siemens
$92.04Flush mount room temperature sensor with a 1,000 Ohm Platinum RTD (375 Alpha) sensing element. This room sensor has a temperature range of –40 to 240 deg F (-40 to 120 deg C) and is designed for those applications where a covered room temperature sensor i544-374B$92.04 -
Siemens 544-374A
Siemens
$92.04Flush mount room temperature sensor with a 1,000 Ohm Platinum RTD (375 Alpha) sensing element. This room sensor has a temperature range of –40 to 240 deg F (-40 to 120 deg C) and is designed for those applications where a covered room temperature sensor i544-374A$92.04 -
Siemens 544-343-48
Siemens
$87.70Rigid averaging duct sensor with a 1000 ohm platinum (375 alpha) RTD sensing element. This unit has a 48-inch (122 cm) probe.544-343-48$87.70 -
Siemens 544-343-36
Siemens
$87.70Rigid averaging duct sensor with a 1000 ohm platinum (375 alpha) RTD sensing element. This unit has a 36-inch (91 cm) probe.544-343-36$87.70 -
Siemens 544-343-24
Siemens
$87.70Rigid averaging duct sensor with a 1000 ohm platinum (375 alpha) RTD sensing element. This unit has a 24-inch (60 cm) probe.544-343-24$87.70 -
Siemens 544-343-18
Siemens
$87.70Rigid averaging duct sensor with a 1000 ohm platinum (375 alpha) RTD sensing element. This unit has an 18-inch (45 cm) probe.544-343-18$87.70 -
Siemens 544-342-8
Siemens
$117.83Flexible averaging duct sensor with a 1000 ohm platinum (375 alpha) RTD sensing element. This unit has an 8-foot (2.4 m) probe.544-342-8$117.83 -
Siemens 544-342-24
Siemens
$117.83Flexible averaging duct sensor with a 1000 ohm platinum (375 alpha) RTD sensing element. This unit has a 25-foot (7.6 m) probe.544-342-24$117.83 -
Siemens 544-342-16
Siemens
$117.83Flexible averaging duct sensor with a 1000 ohm platinum (375 alpha) RTD sensing element. This unit has a 16-foot (4.9 m) probe.544-342-16$117.83 -
Siemens 544-339-8
Siemens
$39.09Single point duct sensor with 1000 ohm platimun (375 alpha) RTD sensing element. This unit has an 8-Inch (20 cm) probe.544-339-8$39.09 -
Siemens 544-339-4
Siemens
$39.09Single point duct sensor with 1000 ohm platimun (375 alpha) RTD sensing element. This unit has a 4-Inch (10 cm) probe.544-339-4$39.09 -
Siemens 544-339-18
Siemens
$40.30Single point duct sensor with 1000 ohm platimun (375 alpha) RTD sensing element. This unit has an 18-Inch (45 cm) probe.544-339-18$40.30 -
Siemens 544-089
Siemens
$44.19This Surface Mount RTD Sensor provides input for cost-effective, accurate temperature sensing for all controllers that accept a 1000 ohm platinum RTD input. It has a temperature range of -40 to 240 degrees Fahrenheit and the 2" x 4" metal box is attached544-089$44.19 -
Siemens 540-995
Siemens
$37.98Flush-mount room sensor for Terminal Equipment Controllers (TECs).540-995$37.98 -
Siemens 540-984
Siemens
$14.20Metal flush-mount room temperature sensor with 10K, Type II thermistor. This unit is self-contained, non-intrusive, and tamper-resistant.540-984$14.20 -
$84.09
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$65.60
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Siemens 540-538
Siemens
$31.55Metal guard for plasatic flush mount sensors. Includes two mounting screws.540-538$31.55 -
Siemens 540-520B
Siemens
$82.11The Flush Mount Room Temperature Sensor is a 10K ohm self-contained, non-intrusive and tamper-resistant unit. The sensor connects to the RJ-11 port of the controller via a pre-terminated cable. This unit has a white plastic cover.540-520B$82.11 -
Siemens 540-520A
Siemens
$97.63The Flush Mount Room Temperature Sensor is a 10K ohm self-contained, non-intrusive, and tamper-resistant unit. The sensor connects to the RJ-11 port of the controller via a pre-terminated cable. This unit has a beige plastic cover.540-520A$97.63 -
Siemens 540-258
Siemens
$22.69This Surface Mounted Pipe Thermistor Sensor measures 1.25" and features clamps and provides input for cost-effective, accurate temperature sensing via an 18 AWG twisted, shielded cable pair. The sensor resistance varies proportionally to the temperature b540-258$22.69 -
Siemens 540-246-72
Siemens
$73.47Flexible averaging duct sensor with a 100K ohm NTC sensing element. This unit has a 6-foot (182 cm) probe.540-246-72$73.47 -
Siemens 540-245-36
Siemens
$68.48Flexible averaging duct sensor with a 100K ohm NTC sensing element. This unit has a 3-foot (91 cm) probe.540-245-36$68.48 -
Siemens 540-244-18
Siemens
$63.22Rigid averaging duct sensor with a 100K ohm sensing element. This unit has an 18-inch (45 cm) probe.540-244-18$63.22 -
$31.55
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Siemens 538-871
Siemens
$40.79The TEC Duct Point Temperature Sensors provide an input for temperature monitoring and control to the Terminal Equipment Controllers (TECs).538-871$40.79 -
Siemens 536-994B
Siemens
$108.34Flush mount room temperature sensor with a 10,000 Ohm (Type II) NTC sensing element. This room sensor has a temperature range of –40 to 257 deg F (-40 to 125 deg C) and is designed for those applications where a covered room temperature sensor is not acce536-994B$108.34 -
Siemens 536-994A
Siemens
$127.84Flush mount room temperature sensor with a 10,000 Ohm (Type II) NTC sensing element. This room sensor has a temperature range of –40 to 257 deg F (-40 to 125 deg C) and is designed for those applications where a covered room temperature sensor is not acce536-994A$127.84 -
Siemens 536-984
Siemens
$14.37Metal flush-mount room temperature sensor with 100K ohm thermistor. This unit is self-contained, non-intrusive, and tamper-resistant.536-984$14.37 -
Siemens 536-811
Siemens
$16.94This Rigid Duct Point Temperature Sensor measures 4" and provides input for cost-effective, accurate temperature sensing to the Modular Building Controller (MBC), Remote Building Controller (RBC), Stand-alone Control Unit (SCU), MPU and Terminal Equipment536-811$16.94 -
Siemens 536-784B
Siemens
$92.04Flush mount room temperature sensor with a 100,000 Ohm (NTC) sensing element. This room sensor has a temperature range of –40 to 257 deg F (-40 to 125 deg C) and is designed for those applications where a covered room temperature sensor is not acceptable.536-784B$92.04 -
Siemens 536-784A
Siemens
$92.04Flush mount room temperature sensor with a 100,000 Ohm (NTC) sensing element. This room sensor has a temperature range of –40 to 257 deg F (-40 to 125 deg C) and is designed for those applications where a covered room temperature sensor is not acceptable.536-784A$92.04 -
Siemens 536-780
Siemens
$93.55This surface mount pipe sensor provides input for accurate loop-powered temperature sensing for controllers. It has a temperature range of 30 to 250 degrees Fahrenheit and a mid-range accuracy of +/- 1.1 degrees Fahrenheit. This pipe sensor has a 2" x 4536-780$93.55 -
Siemens 536-778
Siemens
$56.68This outdoor air sensor provides input for cost-effective, accurate temperature sensing via an 18 AWG twisted, shielded cable pair. The sensor resistance varies proportionally to the temperature being measured and has a 100,000 Ohm reference resistance at536-778$56.68 -
Siemens 536-777-RK
Siemens
$70.39Immersion Well Pipe Sensor Repair Kit, NTC 100K Ohm, Type II.536-777-RK$70.39 -
Siemens 536-777-60
Siemens
$70.63Liquid immersion temperature sensor with 100K ohm Type 2 thermistor. Temperature range from 30 to 240 degrees Fahrenheit (-1 to 116 degrees Celsius). Element is 6 inches (15 cm) long.536-777-60$70.63