Duct Sensors: Essential for HVAC Efficiency and Comfort

Midwest Supply offers a wide selection of duct sensors for precise airflow temperature and humidity monitoring. Our sensors are designed to ensure optimal HVAC performance, prevent costly damage, and maintain comfortable indoor environments.
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View Details BAPI BA/H210-D-BB2 Duct Humidity (%RH) Sensor with Optional Temperature Sensor | Midwest Supply Us
BA/H210-D-BB2 | Duct Humidity (%RH) Sensor with Optional Temperature Sensor | BAPI
Brand: BAPI
SKU: BA/H210-D-BB2
$102.06 each
View Details BAPI BA/20K-H210-D-BBX Duct Humidity (%RH) Sensor with Optional Temperature Sensor | Midwest Supply Us
BA/20K-H210-D-BBX | Duct Humidity (%RH) Sensor with Optional Temperature Sensor | BAPI
Brand: BAPI
SKU: BA/20K-H210-D-BBX
$104.49 each
View Details BAPI BA/20K-D-12" Duct Temperature Sensor | Midwest Supply Us
BA/20K-D-12" | Duct Temperature Sensor | BAPI
Brand: BAPI
SKU: BA/20K-D-12"
$10.13 each
View Details BAPI BA/1K-D-8" Duct Temperature Sensor | Midwest Supply Us
BA/1K-D-8" | Duct Temperature Sensor | BAPI
Brand: BAPI
SKU: BA/1K-D-8"
$12.96 each
View Details BAPI BA/1K-D-18" Duct Temperature Sensor | Midwest Supply Us
BA/1K-D-18" | Duct Temperature Sensor | BAPI
Brand: BAPI
SKU: BA/1K-D-18"
$12.96 each
View Details BAPI BA/10K-3-D-8" Duct Temperature Sensor | Midwest Supply Us
BA/10K-3-D-8" | Duct Temperature Sensor | BAPI
Brand: BAPI
SKU: BA/10K-3-D-8"
$10.13 each
View Details BAPI BA/10K-3-H210-D-BBX Duct Humidity (%RH) Sensor with Optional Temperature Sensor | Midwest Supply Us
BA/10K-3-H210-D-BBX | Duct Humidity (%RH) Sensor with Optional Temperature Sensor | BAPI
Brand: BAPI
SKU: BA/10K-3-H210-D-BBX
$104.49 each
View Details BAPI BA/10K-3-D-12"-NB-18" Duct Temperature Sensor | Midwest Supply Us
BA/10K-3-D-12"-NB-18" | Duct Temperature Sensor | BAPI
Brand: BAPI
SKU: BA/10K-3-D-12"-NB-18"
$10.13 each
View Details BAPI BA/10K-3-D-12"-BBX Duct Temperature Sensor | Midwest Supply Us
BA/10K-3-D-12"-BBX | Duct Temperature Sensor | BAPI
Brand: BAPI
SKU: BA/10K-3-D-12"-BBX
$10.13 each
View Details BAPI BA/10K-3[11K]-D-12"-NB-10' Duct Temperature Sensor | Midwest Supply Us
BA/10K-3[11K]-D-12"-NB-10' | Duct Temperature Sensor | BAPI
Brand: BAPI
SKU: BA/10K-3[11K]-D-12"-NB-10'
$11.75 each
View Details BAPI BA/10K-3[11K]-D-8"-NB-10' Duct Temperature Sensor | Midwest Supply Us
BA/10K-3[11K]-D-8"-NB-10' | Duct Temperature Sensor | BAPI
Brand: BAPI
SKU: BA/10K-3[11K]-D-8"-NB-10'
$11.75 each
View Details BAPI BA/10K-3[11K]-D-12" Duct Temperature Sensor | Midwest Supply Us
BA/10K-3[11K]-D-12" | Duct Temperature Sensor | BAPI
Brand: BAPI
SKU: BA/10K-3[11K]-D-12"
$10.13 each
View Details BAPI BA/10K-2-D-8"-NB-18" Duct Temperature Sensor | Midwest Supply Us
BA/10K-2-D-8"-NB-18" | Duct Temperature Sensor | BAPI
Brand: BAPI
SKU: BA/10K-2-D-8"-NB-18"
$10.13 each
View Details BAPI BA/10K-2-D-8"-NB-10' Duct Temperature Sensor | Midwest Supply Us
BA/10K-2-D-8"-NB-10' | Duct Temperature Sensor | BAPI
Brand: BAPI
SKU: BA/10K-2-D-8"-NB-10'
$11.75 each
View Details BAPI BA/10K-2-D-8" Duct Temperature Sensor | Midwest Supply Us
BA/10K-2-D-8" | Duct Temperature Sensor | BAPI
Brand: BAPI
SKU: BA/10K-2-D-8"
$10.13 each
View Details BAPI BA/10K-2-D-12"-BBX Duct Temperature Sensor | Midwest Supply Us
BA/10K-2-D-12"-BBX | Duct Temperature Sensor | BAPI
Brand: BAPI
SKU: BA/10K-2-D-12"-BBX
$10.13 each
View Details BAPI BA/NO2-D-BB NO2 - Duct and Rough Service Nitrogen Dioxide Sensor - Duct Unit with Aspiration Tube | Midwest Supply Us
BA/NO2-D-BB | NO2 - Duct and Rough Service Nitrogen Dioxide Sensor - Duct Unit with Aspiration Tube | BAPI
Brand: BAPI
SKU: BA/NO2-D-BB
$445.50 each
View Details Siemens QAM2030.010 Duct Point Temperature Sensor, 10K Ohm NTC Type 2, 4-Inch | Midwest Supply Us
QAM2030.010 | Duct Point Temperature Sensor, 10K Ohm NTC Type 2, 4-Inch | Siemens
Brand: Siemens
SKU: QAM2030.010
$21.93 each
View Details Dwyer TE-DFN-B0448-00 Air Duct Temperature Sensor | 4 inch probe | 10K Ohm Type II Thermistor | 8 foot plenum cable. | Midwest Supply Us
TE-DFN-B0448-00 | Air Duct Temperature Sensor | 4 inch probe | 10K Ohm Type II Thermistor | 8 foot plenum cable. | Dwyer
Brand: Dwyer
SKU: TE-DFN-B0448-00
$13.38 each
View Details Siemens QFM2100 Duct Relative Humidity Sensor, 5 percent accuracy, 0-10 Vdc | Midwest Supply Us
QFM2100 | Duct Relative Humidity Sensor, 5 percent accuracy, 0-10 Vdc | Siemens
Brand: Siemens
SKU: QFM2100
$154.78 each
View Details ACI A/CP-DO-4"-10'CL2P 10K ohm Type II | Duct Temperature Sensor | Sensor Length: 4 inch | Included Wire Length: 10 feet | CL2P | Midwest Supply Us
A/CP-DO-4"-10'CL2P | 10K ohm Type II | Duct Temperature Sensor | Sensor Length: 4 inch | Included Wire Length: 10 feet | CL2P | ACI
Brand: ACI
SKU: A/CP-DO-4"-10'CL2P
$22.84 each
View Details ACI A/CP-DO-6"-10'CL2P 10K ohm Type II | Duct Temperature Sensor | Sensor Length: 6 inch | Included Wire Length: 10 feet | CL2P | Midwest Supply Us
A/CP-DO-6"-10'CL2P | 10K ohm Type II | Duct Temperature Sensor | Sensor Length: 6 inch | Included Wire Length: 10 feet | CL2P | ACI
Brand: ACI
SKU: A/CP-DO-6"-10'CL2P
$21.75 each
View Details ACI A/CP-DO-4"-6'CL2P 10K ohm Type II | Duct Temperature Sensor | Sensor Length: 4 inch | Included Wire Length: 6 feet | CL2P | Midwest Supply Us
A/CP-DO-4"-6'CL2P | 10K ohm Type II | Duct Temperature Sensor | Sensor Length: 4 inch | Included Wire Length: 6 feet | CL2P | ACI
Brand: ACI
SKU: A/CP-DO-4"-6'CL2P
$17.76 each
View Details ACI A/CP-DO-4"-96"CL2P-QC A/CP-DO-4"-96"-CL2P-QC | 10K ohm Type II | Duct Temperature Sensor | Sensor Length: 4 inch | Midwest Supply Us
A/CP-DO-4"-96"CL2P-QC | A/CP-DO-4"-96"-CL2P-QC | 10K ohm Type II | Duct Temperature Sensor | Sensor Length: 4 inch | ACI
Brand: ACI
SKU: A/CP-DO-4"-96"CL2P-QC
$22.84 each
Communication
Dimension Depth
Dimension Height
Dimension Probe Diameter
Dimension Probe Length
Dimension Width
Element Type
Enclosure Material
Humidity Output
Measurement Type
Mounting
Operating Temperature
Output Specifications
Outputs
Range
Sensing Element
Sensor
Sensor Configuration
Sensor Housing
Sensor Length
Sensor Wire Length
Temp & Humidity Signals
Temperature Calibration Certificate
Temperature Measurement Accuracy
Temperature Measurement Range
Temperature Sensor
Temperature Sensor Type
Voltage
Warranty
°F or °C Display
Committed to customer satisfaction
as experts in Duct Sensors
(847) 773-1023

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Norgas Controls NGR02-BBA Gas Regulator | 3/4" | 1/4" Orifice | GREEN 6.5-16" WC | Midwest Supply Us
NGR02-BBA | Gas Regulator | 3/4" | 1/4" Orifice | GREEN 6.5-16" WC | Norgas Controls
Brand: Norgas Controls
SKU: NGR02-BBA
$86.98
BAPI BA/10K-2-H210-D-BBX Duct Humidity (%RH) Sensor with Optional Temperature Sensor | Midwest Supply Us
BA/10K-2-H210-D-BBX | Duct Humidity (%RH) Sensor with Optional Temperature Sensor | BAPI
Brand: BAPI
SKU: BA/10K-2-H210-D-BBX
$104.49
Norgas Controls N5D-1500-S GAS REGULATOR 1-1/2" NPT 7-11"WC CSA | Midwest Supply Us
N5D-1500-S | GAS REGULATOR 1-1/2" NPT 7-11"WC CSA | Norgas Controls
Brand: Norgas Controls
SKU: N5D-1500-S
$294.63
BAPI ZPS-ACC04-1 Room Pressure Pickup Ports with Temperature Sensor | Midwest Supply Us
ZPS-ACC04-1 | Room Pressure Pickup Ports with Temperature Sensor | BAPI
Brand: BAPI
SKU: ZPS-ACC04-1
$16.20
Belimo B214 Characterized Control Valve (CCV), 1/2", 2-way | Midwest Supply Us
B214 | Characterized Control Valve (CCV), 1/2", 2-way | Belimo
Brand: Belimo
SKU: B214
$77.85
Everflow EPRC1501-NL 1-1/2" X 1" F1807 PEX Reducing Coupling Lead Free Pack of 10 | Midwest Supply Us
EPRC1501-NL | 1-1/2" X 1" F1807 PEX Reducing Coupling Lead Free Pack of 10 | Everflow
Brand: Everflow
SKU: EPRC1501-NL
$88.70
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