Sensors
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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Siemens QAD2030
Siemens
$31.36Strap-on pipe temperature sensor with NTC 10K ohm Type II sensing element and robust plastic housing.QAD2030$31.36 -
Siemens QAD2020U
Siemens
$78.24Surface-mounted pipe sensor with Nickel 1K ohm sensig element and 2 x 4 utility box metal housing.QAD2020U$78.24 -
Siemens QAD2012U
Siemens
$79.55Surface-mounted pipe sensor with Platinum 1K ohm (385 alpha) sensing element and 2 x 4 utility box metal housing.QAD2012U$79.55 -
Siemens QAD2012
Siemens
$36.89Strap-on pipe temperature sensor with Platinum 1K ohn (385 alpha) sensing element and robust plastic housing.QAD2012$36.89 -
$129.69
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$129.69
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Siemens QAC22
Siemens
$36.79Outside sensor for acquiring the outside temperature and – to a lesser degree – solar radiation, the effect of wind and the temperature of the wall.QAC22$36.79 -
Siemens QAC2032U
Siemens
$67.73Outdoor air temperature sensor; 10K ohm, type 3 thermistor sensing element; uses metal housing.QAC2032U$67.73 -
Siemens QAC2030U
Siemens
$63.11Outdoor air temperature sensor, 10K ohm, type 2 thermistor sensing element; uses metal housing.QAC2030U$63.11 -
$22.63
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Siemens QAC2021U
Siemens
$127.31Outdoor air temperature sensor; 1K ohm at 70 degrees Fahrenheit, nickel sensing element; uses metal housing.QAC2021U$127.31 -
Siemens QAC2020U
Siemens
$86.25Outdoor air temperature sensor; 1K ohm at 32 degrees Fahrenheit, nickel sensing element; uses metal housing.QAC2020U$86.25 -
Siemens QAC2012U
Siemens
$73.35Outdoor air temperature sensor, Platinum 1000 Ohm (385) sensing element; uses metal housing.QAC2012U$73.35 -
$27.79
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Siemens QAA1031.AATU
Siemens
$190.56Button Room temperature sensor with wallplate for APOGEE Terminal Equipment Controller (TEC) with 10K ohm NTC element. Stainless steel finish.QAA1031.AATU$190.56 -
Siemens QAA1011.AATU
Siemens
$155.17Button Room temperature sensor with wallplate for APOGEE Terminal Equipment Controller (TEC) with 1K ohm platinum RTD (375 Alpha) element. Stainless steel finish.QAA1011.AATU$155.17 -
Siemens QAA1011.AASU
Siemens
$125.50Button Room temperature sensor for APOGEE Terminal Equipment Controller (TEC) with 1K ohm platinum RTD (375 Alpha) element. Stainless steel finish.QAA1011.AASU$125.50 -
Siemens AQY2030
Siemens
$720.12For 2 percent relative humidity outdoor air and duct sensors.AQY2030$720.12 -
Siemens AQY2010
Siemens
$517.58For 2 percent relative humidity outdoor air and duct sensors.AQY2010$517.58 -
$14.79
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$406.58
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Siemens AQF3150
Siemens
$249.16For 2 percent duct or outdoor air relative humidity element replacement.AQF3150$249.16 -
Siemens AQF3101
Siemens
$54.82Replacement filters for duct relative humidity and temperature sensor tips. Pore size 10 µm. Packing unit: 3 pieces per bag.AQF3101$54.82 -
Siemens AQF3100
Siemens
$40.71Accessory for QFA31xx and QFA41xx Outdoor Air Humidity Sensors.AQF3100$40.71 -
$55.89
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$52.61
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$76.17
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$65.73
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$47.72
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$37.34
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$35.46
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$450.68
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$450.68
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$450.68
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$450.68
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$450.68
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$450.68
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$450.68
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$450.68
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$450.68
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$450.68
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$450.68
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$450.68
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$450.68
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$450.68
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Siemens 590-782
Siemens
$397.68Differential Pressure Sensor in Conduit Bod, 0.4% FS, 0.5-in WC, 4 to 20 mA output.590-782$397.68 -
Siemens 590-781
Siemens
$397.68Differential Pressure Sensor in Conduit Box, 0.4% FS, 0.65-in WC, 4 to 40mA output.590-781$397.68 -
Siemens 590-780
Siemens
$397.68Differential Pressure Sensor in Conduit Box, 0.4% FS, 1-in WC, 4 to 20 mA output590-780$397.68 -
Siemens 590-510
Siemens
$292.69The 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$292.69 -
Siemens 545-208
Siemens
$990.07This 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$990.07 -
Siemens 545-113
Siemens
$972.64This 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$972.64 -
Siemens 544-973
Siemens
$32.26Flush 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$32.26 -
Siemens 544-578
Siemens
$69.35This 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$69.35 -
Siemens 544-577-RK
Siemens
$97.84This repair kit provides the components needed to repair all immersion temperature sensors with prefix 544-577544-577-RK$97.84 -
Siemens 544-577-60
Siemens
$107.53Liquid 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$107.53 -
Siemens 544-577-40
Siemens
$107.53Liquid 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$107.53 -
Siemens 544-577-25
Siemens
$107.53Liquid 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$107.53 -
Siemens 544-562-RK
Siemens
$127.94Immersion Well Repair Kit; 32 to 212 degrees Fahrenheit, 4 to 20 mA.544-562-RK$127.94 -
Siemens 544-562-60
Siemens
$172.40Liquid 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$172.40 -
Siemens 544-562-40
Siemens
$168.57Liquid 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$168.57 -
Siemens 544-562-25
Siemens
$164.73Liquid 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$164.73 -
Siemens 544-560-8
Siemens
$100.44Rigid 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$100.44 -
Siemens 544-560-4
Siemens
$100.44Rigid 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$100.44 -
Siemens 544-560-18
Siemens
$100.44Rigid 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$100.44 -
Siemens 544-374B
Siemens
$127.94Flush 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$127.94 -
Siemens 544-374A
Siemens
$127.94Flush 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$127.94 -
Siemens 544-343-48
Siemens
$121.90Rigid 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$121.90 -
Siemens 544-343-36
Siemens
$121.90Rigid 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$121.90 -
Siemens 544-343-24
Siemens
$121.90Rigid 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$121.90 -
Siemens 544-343-18
Siemens
$121.90Rigid 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$121.90 -
Siemens 544-342-8
Siemens
$163.78Flexible 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$163.78 -
Siemens 544-342-24
Siemens
$163.78Flexible 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$163.78 -
Siemens 544-342-16
Siemens
$163.78Flexible 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$163.78 -
Siemens 544-339-8
Siemens
$54.34Single point duct sensor with 1000 ohm platimun (375 alpha) RTD sensing element. This unit has an 8-Inch (20 cm) probe.544-339-8$54.34 -
Siemens 544-339-4
Siemens
$54.34Single point duct sensor with 1000 ohm platimun (375 alpha) RTD sensing element. This unit has a 4-Inch (10 cm) probe.544-339-4$54.34 -
Siemens 544-339-18
Siemens
$56.02Single point duct sensor with 1000 ohm platimun (375 alpha) RTD sensing element. This unit has an 18-Inch (45 cm) probe.544-339-18$56.02 -
Siemens 544-089
Siemens
$61.42This 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$61.42 -
Siemens 540-995
Siemens
$52.79Flush-mount room sensor for Terminal Equipment Controllers (TECs).540-995$52.79 -
Siemens 540-984
Siemens
$19.74Metal flush-mount room temperature sensor with 10K, Type II thermistor. This unit is self-contained, non-intrusive, and tamper-resistant.540-984$19.74 -
$116.89
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$91.18
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Siemens 540-538
Siemens
$43.85Metal guard for plasatic flush mount sensors. Includes two mounting screws.540-538$43.85 -
Siemens 540-520B
Siemens
$114.13The 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$114.13 -
Siemens 540-520A
Siemens
$135.71The 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$135.71 -
Siemens 540-258
Siemens
$31.54This 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$31.54 -
Siemens 540-246-72
Siemens
$102.12Flexible averaging duct sensor with a 100K ohm NTC sensing element. This unit has a 6-foot (182 cm) probe.540-246-72$102.12 -
Siemens 540-245-36
Siemens
$95.19Flexible averaging duct sensor with a 100K ohm NTC sensing element. This unit has a 3-foot (91 cm) probe.540-245-36$95.19 -
Siemens 540-244-18
Siemens
$87.88Rigid averaging duct sensor with a 100K ohm sensing element. This unit has an 18-inch (45 cm) probe.540-244-18$87.88 -
$43.85
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Siemens 538-871
Siemens
$56.70The TEC Duct Point Temperature Sensors provide an input for temperature monitoring and control to the Terminal Equipment Controllers (TECs).538-871$56.70 -
Siemens 536-994B
Siemens
$150.59Flush 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$150.59 -
Siemens 536-994A
Siemens
$177.70Flush 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$177.70 -
Siemens 536-984
Siemens
$19.97Metal flush-mount room temperature sensor with 100K ohm thermistor. This unit is self-contained, non-intrusive, and tamper-resistant.536-984$19.97 -
Siemens 536-811
Siemens
$23.55This 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$23.55 -
Siemens 536-784B
Siemens
$127.94Flush 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$127.94 -
Siemens 536-784A
Siemens
$127.94Flush 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$127.94 -
Siemens 536-780
Siemens
$130.03This 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$130.03 -
Siemens 536-778
Siemens
$78.79This 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$78.79 -
Siemens 536-777-RK
Siemens
$97.84Immersion Well Pipe Sensor Repair Kit, NTC 100K Ohm, Type II.536-777-RK$97.84 -
Siemens 536-777-60
Siemens
$98.18Liquid 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$98.18