Siemens Sensors for Sale
Find the perfect Siemens sensor to optimize your process control. Blackhawk Supply offers a wide selection of sensors for you to choose from.
![Image for Pressure Sensors](http://blackhawksupply.com/cdn/shop/collections/DLP_1_100x.png?v=1525965948)
![Image for Duct Temperature Sensors](http://blackhawksupply.com/cdn/shop/collections/GD-Duct_0_32724b59-446e-4602-9845-900ce84cfe70_600x600_1_100x.png?v=1525902491)
![Image for Current Sensors](http://blackhawksupply.com/cdn/shop/collections/CT-300_med_600x600_1_100x.png?v=1525965815)
![Image for Gas Sensors](http://blackhawksupply.com/cdn/shop/collections/Q5_9fe508f4-06ee-4376-a0d8-01f3ceed962f_600x600_1_100x.png?v=1656495283)
![Image for Outside Temperature Sensors](http://blackhawksupply.com/cdn/shop/collections/Outdoor-Air_4_6698b7d4-c74d-4d79-afe1-f2a778fd88f7_600x600_1_100x.png?v=1525902585)
![Image for Outside Humidity Sensors](http://blackhawksupply.com/cdn/shop/collections/Outdoor-AIr_14_73e889d9-72c0-49a8-b7aa-3244a6177a9a_600x600_1_100x.png?v=1525965672)
![Image for Duct Humidity Sensors](http://blackhawksupply.com/cdn/shop/collections/RH_20TT_20Duct_NEMA_204X_0_5bf3c77c-eba9-4c1b-9243-8a07e6d427b1_600x600_1_100x.png?v=1525965556)
![Image for Room Humidity Sensors](http://blackhawksupply.com/cdn/shop/collections/RH_20Resistive_20Room2_20Setpoint_20Override_1_8d939914-25aa-40e1-ae24-7d3557ddb1ff_600x600_1_100x.png?v=1525965135)
![Image for Room Temperature Sensors](http://blackhawksupply.com/cdn/shop/collections/Infinity_20Override_0_ef3262ed-6393-48a3-bd91-8aa200bed9fc_600x600_1_100x.png?v=1655986720)
![Image for Freezer Sensors](http://blackhawksupply.com/cdn/shop/collections/Freezer_6_1200x1200_2b2bcc68-4da6-4bdd-a0ec-3bcc379060c1_100x.png?v=1612451690)
![Image for Strap Sensors](http://blackhawksupply.com/cdn/shop/collections/GD-Strap_9_400x400_57c7c3ea-2a95-4273-b5f6-e4645a3b86e7_100x.png?v=1612451756)
![Image for Light/LUX Sensors](http://blackhawksupply.com/cdn/shop/collections/Light_20Level_0_1af9652e-abdf-4a24-b6e3-4f3023e7e2bf_600x600_1_100x.png?v=1525966099)
![Image for Bullet Sensors](http://blackhawksupply.com/cdn/shop/collections/Bullet-Probe_30_1200x1200_86df93e4-8206-4132-8f13-7c6b3a84d750_100x.png?v=1612451633)
![Image for Level Transmitters for Sale](http://blackhawksupply.com/cdn/shop/collections/SBLT2_1000x1000_400x400_a5387011-1079-43bf-b2f3-3a5019293bf3_100x.gif?v=1633682812)
![Image for Heating Sensors](http://blackhawksupply.com/cdn/shop/files/584547_c3a0c04d-c8d7-4f89-8aee-6a4a15facc9c_100x.jpg?v=1717076667)
![Image for Air Quality](http://blackhawksupply.com/cdn/shop/products/AQ2D_41c1db17-cc87-40e5-b1e1-debc524a3590_100x.png?v=1708973964)
![Image for Facility Monitoring](http://blackhawksupply.com/cdn/shop/products/wingrxtbanner_100x.jpg?v=1710256868)
![Image for Plumbing Sensors](http://blackhawksupply.com/cdn/shop/files/974891_9cf81fe0-49ad-44b1-bf09-c68f8ad31017_100x.jpg?v=1717079750)
![Image for Water Leak Detection](http://blackhawksupply.com/cdn/shop/collections/WD_PIC_1200x1200_ff2b53d6-6d0b-4a7c-9a53-05c5ea36409c_100x.jpg?v=1633683366)
![Image for Accessories](http://blackhawksupply.com/cdn/shop/collections/PIC_GL_A-22AP-A01...04_4C-product_retina_400x400_14114f37-ee0a-436c-99cd-84781d10eec7_100x.jpg?v=1611673512)
View Details
![Siemens 536-811 Duct Point Temp Sensor, 4" rigid, 100,000 Ohm Ref Resistance 77 Deg F | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/536-811_medium.jpg?v=1718031834)
536-811 | Duct Point Temp Sensor, 4" rigid, 100, 000 Ohm Ref Resistance 77 Deg F | Siemens
Brand: Siemens
SKU: 536-811
View Details
![Siemens QAC3171 OUTDR TMP SNSR, 4-20mA, -58-122F, PLSTIC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/QAC3171_953d7c1b-f185-4005-b90f-ada0b7c242e7_medium.jpg?v=1719348716)
QAC3171 | OUTDR TMP SNSR, 4-20mA, -58-122F, PLSTIC | Siemens
Brand: Siemens
SKU: QAC3171
View Details
![Siemens 536-767-40 Liquid Immersion Temperature Sensor, 100 Ohm Platinum RTD, 4-Inch Probe | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/536-767-40_medium.jpg?v=1692720393)
536-767-40 | Liquid Immersion Temperature Sensor, 100 Ohm Platinum RTD, 4-Inch Probe | Siemens
Brand: Siemens
SKU: 536-767-40
View Details
![Siemens 587-187 Room Temperature Sensor, Full HMI, For Use With Siemens Talon Controllers | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10212294_en_medium.jpg?v=1714012329)
587-187 | Room Temperature Sensor, Full HMI, For Use With Siemens Talon Controllers | Siemens
Brand: Siemens
SKU: 587-187
View Details
![Siemens QAA22SS.FWSN Rm Temp Sensor, 0-10V / 0-5V / 4-20 mA (selectable), Full Feature, Siemens Logo | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/QAA22SS.FWSN_e20516f8-c5bf-4c77-b1f7-d268a6993165_medium.jpg?v=1709756489)
QAA22SS.FWSN | Rm Temp Sensor, 0-10V / 0-5V / 4-20 mA (selectable), Full Feature, Siemens Logo | Siemens
Brand: Siemens
SKU: QAA22SS.FWSN
View Details
![Siemens 535-741-4 Duct Point Temperature Sensor, 100K Ohm Platinum NTC Type 2, 4-Inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/535-741-4_medium.jpg?v=1692720408)
535-741-4 | Duct Point Temperature Sensor, 100K Ohm Platinum NTC Type 2, 4-Inch | Siemens
Brand: Siemens
SKU: 535-741-4
View Details
![Siemens 544-339-4 Duct Point Sensor, 1K Ohm Platinum (375 Alpha), 4-Inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/544-339-4_590d971b-c7db-4834-8c21-8e55e347493b_medium.jpg?v=1714597403)
544-339-4 | Duct Point Sensor, 1K Ohm Platinum (375 Alpha), 4-Inch | Siemens
Brand: Siemens
SKU: 544-339-4
View Details
![Siemens 544-343-18 Rigid Averaging Duct Sensor, 1K Ohm Platinum, 18-Inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/544-343-18_medium.jpg?v=1692720431)
544-343-18 | Rigid Averaging Duct Sensor, 1K Ohm Platinum, 18-Inch | Siemens
Brand: Siemens
SKU: 544-343-18
View Details
![Siemens 536-768 Outside Air Temperature Sensor, Through-the-wall, 4 to 20 mA | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/536-768_medium.jpg?v=1692720399)
536-768 | Outside Air Temperature Sensor, Through-the-wall, 4 to 20 mA | Siemens
Brand: Siemens
SKU: 536-768
View Details
![Siemens 540-680FA Room Temp Sensor, Sensing w/ Override, Setpoint, Fahrenheit Display, Beige | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/A6V10890263_en_6453cea8-71cc-4f95-8162-d55b1bf8b08b_medium.jpg?v=1694541344)
540-680FA | Room Temp Sensor, Sensing w / Override, Setpoint, Fahrenheit Display, Beige | Siemens
Brand: Siemens
SKU: 540-680FA
View Details
![Siemens QAA2280.DWSC Room Temp Sensor, Display, Siemens Logo, Tool Port, Siemens TEC Controllers | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/QAA2280.DWSC_medium.jpg?v=1718031834)
QAA2280.DWSC | Room Temp Sensor, Display, Siemens Logo, Tool Port, Siemens TEC Controllers | Siemens
Brand: Siemens
SKU: QAA2280.DWSC
View Details
![Siemens QAA2230.EWSC Room Temp Sensor, 10K Ohm Type 2 NTC Thermistor, No HMI, Siemens Logo, Talon | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/QAA2230.EWSC_medium.jpg?v=1692722925)
QAA2230.EWSC | Room Temp Sensor, 10K Ohm Type 2 NTC Thermistor, No HMI, Siemens Logo, Talon | Siemens
Brand: Siemens
SKU: QAA2230.EWSC
View Details
![Siemens QAM2030.010-BR DUCT POINT TEMP, 10K-2, 4", BRACKET MNT. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/QAM2030.010-BR_medium.jpg?v=1692722987)
QAM2030.010-BR | DUCT POINT TEMP, 10K-2, 4", BRACKET MNT. | Siemens
Brand: Siemens
SKU: QAM2030.010-BR
View Details
![Siemens 544-342-8 Flexible Averaging Duct Sensor, 1K Ohm Platinum, 8-Foot | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/544-342-8_medium.jpg?v=1692720439)
544-342-8 | Flexible Averaging Duct Sensor, 1K Ohm Platinum, 8-Foot | Siemens
Brand: Siemens
SKU: 544-342-8
View Details
![Siemens 540-520A Room Temperature Sensor, Flush Mount, 10 K ohm, 55 to 95 deg F, Beige | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/540-520A_medium.jpg?v=1692720424)
540-520A | Room Temperature Sensor, Flush Mount, 10 K ohm, 55 to 95 deg F, Beige | Siemens
Brand: Siemens
SKU: 540-520A
View Details
![Siemens 540-670A Room Temperature Sensor, Sensing with Override, Setpoint | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10219004_en_medium.jpg?v=1718228132)
540-670A | Room Temperature Sensor, Sensing with Override, Setpoint | Siemens
Brand: Siemens
SKU: 540-670A
View Details
![Siemens QAM2030.010 Duct Point Temperature Sensor, 10K Ohm NTC Type 2, 4-Inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/QAM2030.010_medium.jpg?v=1692722977)
QAM2030.010 | Duct Point Temperature Sensor, 10K Ohm NTC Type 2, 4-Inch | Siemens
Brand: Siemens
SKU: QAM2030.010
View Details
![Siemens 535-741-18 Duct Point Temperature Sensor, 100K Ohm Platinum NTC Type 2, 18-Inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/535-741-18_medium.jpg?v=1692720409)
535-741-18 | Duct Point Temperature Sensor, 100K Ohm Platinum NTC Type 2, 18-Inch | Siemens
Brand: Siemens
SKU: 535-741-18
View Details
![Siemens QAP2012.150 Cable Temperature Sensor, Platinum 1K Ohm (385 Alpha) | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/QAP2012.150_f9213d56-ff24-4155-9e8d-fba0361c20c9_medium.jpg?v=1709071961)
QAP2012.150 | Cable Temperature Sensor, Platinum 1K Ohm (385 Alpha) | Siemens
Brand: Siemens
SKU: QAP2012.150
View Details
![Siemens QAE2032.005 Immersion Well Temperature Sensor, 10K Ohm Type 3, 2.5-inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/44700_en_medium.jpg?v=1694541373)
QAE2032.005 | Immersion Well Temperature Sensor, 10K Ohm Type 3, 2.5-inch | Siemens
Brand: Siemens
SKU: QAE2032.005
View Details
![Siemens QAE2030.005 Immersion Well Temperature Sensor, 10K Ohm Type 2, 2.5-inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/QAE2030.005_ea411342-cbbd-493e-b1d1-16fe4e31c3c4_medium.jpg?v=1711476345)
QAE2030.005 | Immersion Well Temperature Sensor, 10K Ohm Type 2, 2.5-inch | Siemens
Brand: Siemens
SKU: QAE2030.005
View Details
![Siemens 544-562-40 Liquid Immersion Temperature Sensor, 100 Ohm Platinum RTD, 4-Inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/544-562-40_medium.jpg?v=1692720437)
544-562-40 | Liquid Immersion Temperature Sensor, 100 Ohm Platinum RTD, 4-Inch | Siemens
Brand: Siemens
SKU: 544-562-40
View Details
![Siemens 544-343-24 Rigid Averaging Duct Sensor, 1K Ohm Platinum, 24-Inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/544-343-24_medium.jpg?v=1692720430)
544-343-24 | Rigid Averaging Duct Sensor, 1K Ohm Platinum, 24-Inch | Siemens
Brand: Siemens
SKU: 544-343-24
View Details
![Siemens 540-520B Room Temperature Sensor, Flush Mount, 10 K ohm, 55-95 Deg F, White | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/540-520B_medium.jpg?v=1692720418)
540-520B | Room Temperature Sensor, Flush Mount, 10 K ohm, 55-95 Deg F, White | Siemens
Brand: Siemens
SKU: 540-520B
Committed to customer satisfaction
as experts in Sensors
Recently Viewed
Popular Products
View all →![Veris H971 Current Sensor | DC | Split | 0-200A | Pulse Reset | Bi-Directional | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/H971_2713e501-214a-425b-84fa-558ce4a2feb2_large.jpg?v=1717708350)
H971 | Current Sensor | DC | Split | 0-200A | Pulse Reset | Bi-Directional | Veris
Brand: Veris
SKU: H971![Veris PX3DLX02 Pressure | Dry | Duct | LCD | 0-10 In WC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/PX3DLX02_34751ed9-b55b-4ab8-ae9e-64778f94a267_large.jpg?v=1706643270)
PX3DLX02 | Pressure | Dry | Duct | LCD | 0-10 In WC | Veris
Brand: Veris
SKU: PX3DLX02![Siemens SAS61.33U MT Series SAS Electronic Valve Act, SR, 24V, 0-10V / 4-20 mA Proport Control | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SAS61.33U_large.jpg?v=1716574569)
SAS61.33U | MT Series SAS Electronic Valve Act, SR, 24V, 0-10V / 4-20 mA Proport Control | Siemens
Brand: Siemens
SKU: SAS61.33U![Veris PW2LX05S Pressure | Wet | NEMA 4 | LCD | 0-250PSID | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PW2LX05S_88a65725-d5a4-465e-9c6c-d45a476764ac_large.jpg?v=1719241876)
PW2LX05S | Pressure | Wet | NEMA 4 | LCD | 0-250PSID | Veris
Brand: Veris
SKU: PW2LX05S![Siemens RDY2000BN BACnet Commercial Thermostat | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RDY2000BN_large.jpg?v=1716932364)
RDY2000BN | BACnet Commercial Thermostat | Siemens
Brand: Siemens
SKU: RDY2000BN![Viconics R820-643-REV2 SCR Power controller 600 V, 45 A, 3 phase | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/r820_2357d62a-de99-4eaf-b251-fe45a7caace2_large.jpg?v=1719241874)
R820-643-REV2 | SCR Power controller 600 V, 45 A, 3 phase | Viconics
Brand: Viconics
SKU: R820-643-REV2![iO HVAC Controls iO-WR-XR Extended Range wireless relay kit | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO_WR_XR_web_b1a67703-1116-4d67-b510-b2685656413f_large.png?v=1709052496)
iO-WR-XR | Extended Range wireless relay kit | iO HVAC Controls (OBSOLETE)
Brand: iO HVAC Controls
SKU: iO-WR-XR