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.
Filter
View Details ACI A/RH3-D 3% Accuracy RH Humidity Sensor | Duct Humidity Sensor | Midwest Supply Us
A/RH3-D | 3% Accuracy RH Humidity Sensor | Duct Humidity Sensor | ACI
Brand: ACI
SKU: A/RH3-D
$165.08 each
View Details ACI A/CP-DO-18" 10K ohm Type II | Duct Temperature Sensor | Sensor Length: 18 inch | Midwest Supply Us
A/CP-DO-18" | 10K ohm Type II | Duct Temperature Sensor | Sensor Length: 18 inch | ACI
Brand: ACI
SKU: A/CP-DO-18"
$15.59 each
View Details Veris TFDBR00 Temp | Duct w/Mtg Box | 8" | 100R Pt | RTD | Midwest Supply Us
TFDBR00 | Temp | Duct w/Mtg Box | 8" | 100R Pt | RTD | Veris
Brand: Veris
SKU: TFDBR00
$19.88 each
View Details Siemens 536-384 Air Velocity Sensor Pickup Probe Kit, 2-pipe, 14" (356 mm) | Midwest Supply Us
536-384 | Air Velocity Sensor Pickup Probe Kit, 2-pipe, 14" (356 mm) | Siemens
Brand: Siemens
SKU: 536-384
$79.55 each
View Details Siemens 544-343-18 Rigid Averaging Duct Sensor, 1K Ohm Platinum, 18-Inch | Midwest Supply Us
544-343-18 | Rigid Averaging Duct Sensor, 1K Ohm Platinum, 18-Inch | Siemens
Brand: Siemens
SKU: 544-343-18
$85.10 each
View Details ACI A/CP-DO-6" 10K ohm Type II | Duct Temperature Sensor | Sensor Length: 6 inch | Midwest Supply Us
A/CP-DO-6" | 10K ohm Type II | Duct Temperature Sensor | Sensor Length: 6 inch | ACI
Brand: ACI
SKU: A/CP-DO-6"
$15.59 each
View Details ACI A/CP-D-8"-PB 10K ohm Type II | Duct Temperature Sensor | Sensor Length: 8 inch | Plastic Box Plain Housing Enclosure Box | Midwest Supply Us
A/CP-D-8"-PB | 10K ohm Type II | Duct Temperature Sensor | Sensor Length: 8 inch | Plastic Box Plain Housing Enclosure Box | ACI
Brand: ACI
SKU: A/CP-D-8"-PB
$16.68 each
View Details ACI A/CP-D-8"-GD 10K ohm Type II | Duct Temperature Sensor | Sensor Length: 8 inch | Galvanized Housing Enclosure Box | Midwest Supply Us
A/CP-D-8"-GD | 10K ohm Type II | Duct Temperature Sensor | Sensor Length: 8 inch | Galvanized Housing Enclosure Box | ACI
Brand: ACI
SKU: A/CP-D-8"-GD
$16.68 each
View Details Siemens 535-741-18 Duct Point Temperature Sensor, 100K Ohm Platinum NTC Type 2, 18-Inch | Midwest Supply Us
535-741-18 | Duct Point Temperature Sensor, 100K Ohm Platinum NTC Type 2, 18-Inch | Siemens
Brand: Siemens
SKU: 535-741-18
$34.11 each
View Details Siemens QFM4160 Duct RH and Temp Sensor, 2 percent certified, RH: 0-10 Vdc, T: 0-10 Vdc | Midwest Supply Us
QFM4160 | Duct RH and Temp Sensor, 2 percent certified, RH: 0-10 Vdc, T: 0-10 Vdc | Siemens
Brand: Siemens
SKU: QFM4160
$606.76 each
View Details Siemens 540-128 10K Ohm Duct Temperature Sensor | Midwest Supply Us
540-128 | 10K Ohm Duct Temperature Sensor | Siemens
Brand: Siemens
SKU: 540-128
$40.09 each
View Details Siemens QPM2100 Duct Sensor CO2, 0 to 10V | Midwest Supply Us
QPM2100 | Duct Sensor CO2, 0 to 10V | Siemens
Brand: Siemens
SKU: QPM2100
$428.12 each
View Details ACI A/CP-D-6"-PB 10K ohm Type II | Duct Temperature Sensor | Sensor Length: 6 inch | Plastic Box Plain Housing Enclosure Box | Midwest Supply Us
A/CP-D-6"-PB | 10K ohm Type II | Duct Temperature Sensor | Sensor Length: 6 inch | Plastic Box Plain Housing Enclosure Box | ACI
Brand: ACI
SKU: A/CP-D-6"-PB
$16.68 each
View Details Siemens QFM3100 Duct Relative Humidity Temperature Sensor, 2 percent accuracy, 0-10 Vdc | Midwest Supply Us
QFM3100 | Duct Relative Humidity Temperature Sensor, 2 percent accuracy, 0-10 Vdc | Siemens
Brand: Siemens
SKU: QFM3100
$228.70 each
View Details ACI A/CP-D-4"-PB 10K ohm Type II | Duct Temperature Sensor | Sensor Length: 4 inch | Plastic Box Plain Housing Enclosure Box | Midwest Supply Us
A/CP-D-4"-PB | 10K ohm Type II | Duct Temperature Sensor | Sensor Length: 4 inch | Plastic Box Plain Housing Enclosure Box | ACI
Brand: ACI
SKU: A/CP-D-4"-PB
$16.68 each
View Details Siemens 544-339-18 Duct Point Sensor, 1K Ohm Platinum (375 Alpha), 18-Inch | Midwest Supply Us
544-339-18 | Duct Point Sensor, 1K Ohm Platinum (375 Alpha), 18-Inch | Siemens
Brand: Siemens
SKU: 544-339-18
$42.99 each
View Details Siemens 535-741-8 Duct Point Temperature Sensor, 100K Ohm Platinum NTC Type 2, 8-Inch | Midwest Supply Us
535-741-8 | Duct Point Temperature Sensor, 100K Ohm Platinum NTC Type 2, 8-Inch | Siemens
Brand: Siemens
SKU: 535-741-8
$32.17 each
View Details Veris CD2E CO2 | Duct | Economy | No LCD | Midwest Supply Us
CD2E | CO2 | Duct | Economy | No LCD | Veris
Brand: Veris
SKU: CD2E
$330.13 each
View Details ACI A/AN-D-12"-PB 10K ohm Type III | Duct Temperature Sensor | Sensor Length: 12 inch | Plastic Box Plain Housing Enclosure Box | Midwest Supply Us
A/AN-D-12"-PB | 10K ohm Type III | Duct Temperature Sensor | Sensor Length: 12 inch | Plastic Box Plain Housing Enclosure Box | ACI
Brand: ACI
SKU: A/AN-D-12"-PB
$16.68 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
$27.91 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
$26.46 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
$27.91 each
View Details ACI A/CP-DO-12" 10K ohm Type II | Duct Temperature Sensor | Sensor Length: 12 inch | Midwest Supply Us
A/CP-DO-12" | 10K ohm Type II | Duct Temperature Sensor | Sensor Length: 12 inch | ACI
Brand: ACI
SKU: A/CP-DO-12"
$15.59 each
View Details ACI A/BALCO-D-8"-GD RTD 1000 ohm (Balco) | Duct Temperature Sensor | Sensor Length: 8 inch | Galvanized Housing Enclosure Box | Midwest Supply Us
A/BALCO-D-8"-GD | RTD 1000 ohm (Balco) | Duct Temperature Sensor | Sensor Length: 8 inch | Galvanized Housing Enclosure Box | ACI
Brand: ACI
SKU: A/BALCO-D-8"-GD
$29.36 each
Communication
Element Type
Humidity Output
Sensing Element
Sensor
Sensor Configuration
Sensor Housing
Sensor Length
Sensor Wire Length
Temp & Humidity Signals
Temperature Sensor
Voltage
°F or °C Display
Committed to customer satisfaction
as experts in Duct Sensors
(847) 773-1023

Recently Viewed

Popular Products

View all →
Norgas Controls NGR02-BBA GAS REGULATOR | 3/4" NPT | 1/4" Orifice | GREEN SPRING 6.5"-16" WC| | Midwest Supply Us
NGR02-BBA | Gas Regulator | 3/4" NPT | 1/4" Orifice | Green Spring 6.5"-16"wc | Norgas Controls
Brand: Norgas Controls
SKU: NGR02-BBA
$82.63
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
$108.17
Norgas Controls N5D-1500-S GAS REGULATOR, 1-1/2" NPT, SILVER SPRING 7-11"WC, 2 PSI CSA | Midwest Supply Us
N5D-1500-S | GAS REGULATOR, 1-1/2" NPT, SILVER SPRING 7-11"WC, 2 PSI CSA | Norgas Controls
Brand: Norgas Controls
SKU: N5D-1500-S
$252.54
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
$16.77
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
$90.90
Everflow EPRC1501-NL EVERFLOW 1-1/2" X 1" PEX BARB RED. COUPLING LEAD FREE | Midwest Supply Us
EPRC1501-NL | EVERFLOW 1-1/2" X 1" PEX BARB RED. COUPLING LEAD FREE | Everflow
Brand: Everflow
SKU: EPRC1501-NL
$9.81
Sign in to your account
Show

Forgot password?

Don’t have an account?
Create account
Register New Account
Show
Show

Sign In

Your Cart
items in the Cart
The product has been added to cart.
There are items in your cart.

Total:

View Cart
Continue Shopping