Control Sensors for Sale

We have 9,000+ sensor models in our stock for your next building automation project. Duct, pipe, indoor and outdoor sensors: Blackhawk Supply has it all! Shop today!
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View Details ACI A/20K-D-6"-GD 20K ohm | Duct Temperature Sensor | Sensor Length: 6 inch | Galvanized Housing Enclosure Box | Blackhawk Supply
A / 20K-D-6"-GD | 20K ohm | Duct Temperature Sensor | Sensor Length: 6 inch | Galvanized Housing Enclosure Box | ACI
Brand: ACI
SKU: A/20K-D-6"-GD
each
View Details ACI A/1K-2W-SBS RTD 1000 ohm (2 wire) | Stainless Steel Button Temperature Sensor | Blackhawk Supply
A / 1K-2W-SBS | RTD 1000 ohm (2 wire) | Stainless Steel Button Temperature Sensor | ACI
Brand: ACI
SKU: A/1K-2W-SBS
$13.20 each
View Details ACI A/1K-2W-O-4X RTD 1000 ohm (2 wire) | Outdoor Outside Air Temperature Sensor | NEMA 4X Housing Enclosure Box | Blackhawk Supply
A / 1K-2W-O-4X | RTD 1000 ohm (2 wire) | Outdoor Outside Air Temperature Sensor | NEMA 4X Housing Enclosure Box | ACI
Brand: ACI
SKU: A/1K-2W-O-4X
$41.85 each
View Details ACI A/1K-2W-R2 RTD 1000 ohm (2 wire) | Room Zone Wall Temperature Sensor | Modern Housing Enclosure | Blackhawk Supply
A / 1K-2W-R2 | RTD 1000 ohm (2 wire) | Room Zone Wall Temperature Sensor | Modern Housing Enclosure | ACI
Brand: ACI
SKU: A/1K-2W-R2
$43.36 each
View Details ACI A/1K-2W-BP RTD 1000 ohm (2 wire) | Bullet Probe Temperature Sensor | Blackhawk Supply
A / 1K-2W-BP | RTD 1000 ohm (2 wire) | Bullet Probe Temperature Sensor | ACI
Brand: ACI
SKU: A/1K-2W-BP
$19.23 each
View Details ACI A/100-3W-O-4X RTD 100 ohm (3 wire) | Outdoor Outside Air Temperature Sensor | NEMA 4X Housing Enclosure Box | Blackhawk Supply
A / 100-3W-O-4X | RTD 100 ohm (3 wire) | Outdoor Outside Air Temperature Sensor | NEMA 4X Housing Enclosure Box | ACI
Brand: ACI
SKU: A/100-3W-O-4X
$17.72 each
View Details ACI A/100-3W-D-8"-GD RTD 100 ohm (3 wire) | Duct Temperature Sensor | Sensor Length: 8 inch | Galvanized Housing Enclosure Box | Blackhawk Supply
A / 100-3W-D-8"-GD | RTD 100 ohm (3 wire) | Duct Temperature Sensor | Sensor Length: 8 inch | Galvanized Housing Enclosure Box | ACI
Brand: ACI
SKU: A/100-3W-D-8"-GD
$43.36 each
View Details ACI A/10' Tube Pneumatic Pressure Tube | Blackhawk Supply
A / 10' Tube | Pneumatic Pressure Tube | ACI
Brand: ACI
SKU: A/10' Tube
$19.60 each
View Details Veris H6812-2000A-5AU CT | Split Core | Size 4 | 5.5in x 2.5in ID | 2000A:5A | Blackhawk Supply
H6812-2000A-5AU | CT | Split Core | Size 4 | 5.5in x 2.5in ID | 2000A:5A | Veris
Brand: Veris
SKU: H6812-2000A-5AU
$28.90 each
View Details Veris H6810-300A-5AU CT | Split Core | Instrument Grade | 1.2in x 1.3in ID | 300A to 5A | Blackhawk Supply
H6810-300A-5AU | CT | Split Core | Instrument Grade | 1.2in x 1.3in ID | 300A to 5A | Veris
Brand: Veris
SKU: H6810-300A-5AU
$173.95 each
View Details Siemens QAD2030 Strap-on Pipe Temperature Sensor, NTC 10K Ohm Type II | Blackhawk Supply
QAD2030 | Strap-on Pipe Temperature Sensor, NTC 10K Ohm Type II | Siemens
Brand: Siemens
SKU: QAD2030
$88.66 each
View Details Mamac TE-211Z-B-C-2-1-E-3 4-20mA | -30-130F | Duct Temperature Sensor | 8 inch | 24VDC Powered | Galvanized Housing | Blackhawk Supply
TE-211Z-B-C-2-1-E-3 | 4-20mA | -30-130F | Duct Temperature Sensor | 8 inch | 24VDC Powered | Galvanized Housing | Mamac
Brand: Mamac
SKU: TE-211Z-B-C-2-1-E-3
$22.49 each
View Details Dwyer RHP-2O1B OSA mount 2% RH/temperature transmitter with 4-20 mA RH output and 10K type II NTC thermistor temperature output. | Blackhawk Supply
RHP-2O1B | OSA mount 2% RH / temperature transmitter with 4-20 mA RH output and 10K type II NTC thermistor temperature output. | Dwyer
Brand: Dwyer
SKU: RHP-2O1B
$82.17 each
View Details Dwyer DXW-11-153-2 Differential pressure switch | brass and fluoroelastomer wetted materials | NEMA 4X | 1/4" NPT connections | SPDT | range 10 to 25 psi. | Blackhawk Supply
DXW-11-153-2 | Differential pressure switch | brass and fluoroelastomer wetted materials | NEMA 4X | 1 / 4" NPT connections | SPDT | range 10 to 25 psi. | Dwyer
Brand: Dwyer
SKU: DXW-11-153-2
$168.37 each
View Details Dwyer ADPS-04-1-N Adjustable differential pressure switch | set point range 0.12 to 1.60" w.c. | 1/2" NPT connection. | Blackhawk Supply
ADPS-04-1-N | Adjustable differential pressure switch | set point range 0.12 to 1.60" w.c. | 1 / 2" NPT connection. | Dwyer
Brand: Dwyer
SKU: ADPS-04-1-N
$142.73 each
View Details Dwyer ADPS-03-1-N Adjustable differential pressure switch | set point range 0.20 to 2.00" w.c. | 1/2" NPT connection. | Blackhawk Supply
ADPS-03-1-N | Adjustable differential pressure switch | set point range 0.20 to 2.00" w.c. | 1 / 2" NPT connection. | Dwyer
Brand: Dwyer
SKU: ADPS-03-1-N
$28.57 each
View Details Dwyer 1831-1-RA-S Differential pressure switch | manual reset | DPDT | activate on increase | silicone diaphragm | range 2.5-9" w.c. | Blackhawk Supply
1831-1-RA-S | Differential pressure switch | manual reset | DPDT | activate on increase | silicone diaphragm | range 2.5-9" w.c. | Dwyer
Brand: Dwyer
SKU: 1831-1-RA-S
$28.57 each
View Details Dwyer CDT-2N40-LCD Carbon Dioxide | Wall Mount | universal current/voltage output | North American Housing | LCD Display. | Blackhawk Supply
CDT-2N40-LCD | Carbon Dioxide | Wall Mount | universal current / voltage output | North American Housing | LCD Display. | Dwyer
Brand: Dwyer
SKU: CDT-2N40-LCD
$200.29 each
View Details Dwyer GSTA-C Carbon Monoxide Transmitter with universal current/voltage outputs | Blackhawk Supply
GSTA-C | Carbon Monoxide Transmitter with universal current / voltage outputs | Dwyer
Brand: Dwyer
SKU: GSTA-C
$284.39 each
View Details Johnson Controls P499RCP-105C PRESSURE TRANS 0-500 PSIG; 0.4 TO 4.5 VDG RATIOMETRIC OUTPUT SIGNAL 1/4 SAE INTERNAL FEMALE FLARE | Blackhawk Supply
P499RCP-105C | PRESSURE TRANS 0-500 PSIG; 0.4 TO 4.5 VDG RATIOMETRIC OUTPUT SIGNAL 1 / 4 SAE INTERNAL FEMALE FLARE | Johnson Controls
Brand: Johnson Controls
SKU: P499RCP-105C
$242.63 each
View Details Johnson Controls P499AAP-101C PRESSURE TRANS 0-100 PSIG; 4-20 MA OUTPUT SIGNAL 1/8" NPTF EXTRNAL STYLE 49 PRESS FITTING | Blackhawk Supply
P499AAP-101C | PRESSURE TRANS 0-100 PSIG; 4-20 MA OUTPUT SIGNAL 1 / 8" NPTF EXTRNAL STYLE 49 PRESS FITTING | Johnson Controls
Brand: Johnson Controls
SKU: P499AAP-101C
$134.34 each
View Details Siemens 533-380-16 Flexible Averaging Duct Sensor, 20 to 120 Deg F, 16-Foot | Blackhawk Supply
533-380-16 | Flexible Averaging Duct Sensor, 20 to 120 Deg F, 16-Foot | Siemens
Brand: Siemens
SKU: 533-380-16
$131.13 each
View Details Siemens QAP22 Temperature Sensor, Cable | Blackhawk Supply
QAP22 | Temperature Sensor, Cable | Siemens
Brand: Siemens
SKU: QAP22
$119.81 each
View Details Siemens QAM2012.010 Duct Point Temperature Sensor, 1K Ohm Platinum, (385 Alpha), 4-Inch | Blackhawk Supply
QAM2012.010 | Duct Point Temperature Sensor, 1K Ohm Platinum, (385 Alpha), 4-Inch | Siemens
Brand: Siemens
SKU: QAM2012.010
$18.14 each
Accuracy
Application
Application Zone
CO2 Measurement Range
Color
Current Core
Current Measurement Accuracy
Current Measurement Range
Dimension Depth
Dimension Height
Dimension Probe Diameter
Dimension Probe Length
Dimension Width
Dimensions
Display Type
Electrical Wiring
Electrical Wiring Size
Element Type
Enclosure Material
Fail Safe
Feature Level
Fitting Material
Fitting Size
Frequency Rating
Hand-Off-Auto
Humidity Calibration Certificate
Humidity Measurement Accuracy
Humidity Measurement Drift
IP Protection
Input Specifications
Inputs
LED Indicator Type
Material
Measurement Type
Medium
Model
Monitored Frequency Range
Monitored Wire Size
Motion Detection Angle
Motion Detection Range
Motion Detection Sensor Type
Mounting
Operating Current
Operating Temperature
Output Specifications
Outputs
Override
Plastic Rating
Pressure Measurement Accuracy
Pressure Measurement Range
Pressure Output Signal
Pressure Range
Pressure Sensor Type
Product Type
Product Certification
Range
Relay Coil Voltage
Relay Contact Ratings
Relay Poles/Throw
Response Time
Section
Sensing Element
Sensor
Sensor Averaging Wire Length
Sensor Configuration
Sensor Housing
Sensor Length
Sensor Wire Length
Setpoint
Standards EMC
SubCategory
Supply Voltage AC Range
Supply Voltage DC Nominal
Supply Voltage DC Range
Temp & Humidity Signals
Temperature Calibration Certificate
Temperature Measurement Accuracy
Temperature Measurement Range
Temperature Sensor Type
Warranty
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iO HVAC Controls iO-WR-XR Extended Range wireless relay kit | Blackhawk Supply
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Brand: iO HVAC Controls
SKU: iO-WR-XR
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