Duct sensors Duct Sensor configuration

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 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
$13.05 each
View Details Siemens 544-560-18 Duct Point Sensor, Platinum, -4 to 122 Deg F, 18-Inch | Midwest Supply Us
544-560-18 | Duct Point Sensor, Platinum, -4 to 122 Deg F, 18-Inch | Siemens
Brand: Siemens
SKU: 544-560-18
$73.49 each
View Details ACI A/20K-D-8"-PB 20K ohm | Duct Temperature Sensor | Sensor Length: 8 inch | Plastic Box Plain Housing Enclosure Box | Midwest Supply Us
A/20K-D-8"-PB | 20K ohm | Duct Temperature Sensor | Sensor Length: 8 inch | Plastic Box Plain Housing Enclosure Box | ACI
Brand: ACI
SKU: A/20K-D-8"-PB
$12.69 each
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
$124.00 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 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
$220.96 each
View Details Belimo 22DTH-53M Duct Temp+Hum Sensor A | Midwest Supply Us
22DTH-53M | Duct Temp+Hum Sensor A | Belimo
Brand: Belimo
SKU: 22DTH-53M
$190.35 each
View Details Belimo 22DCM-51 Duct CO2+VOC+Temp Sensor V | Midwest Supply Us
22DCM-51 | Duct CO2+VOC+Temp Sensor V | Belimo
Brand: Belimo
SKU: 22DCM-51
$583.20 each
View Details Belimo 01DT-5QN Duct Temp Sensor NTC20kP 150x6 | Midwest Supply Us
01DT-5QN | Duct Temp Sensor NTC20kP 150x6 | Belimo
Brand: Belimo
SKU: 01DT-5QN
$17.55 each
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QFM81.2 | Duct Hygrostat with External Setpoint, 30 - 90% RH | Siemens
Brand: Siemens
SKU: QFM81.2
$155.20 each
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544-339-18 | Duct Point Sensor, 1K Ohm Platinum (375 Alpha), 18-Inch | Siemens
Brand: Siemens
SKU: 544-339-18
$40.98 each
View Details Siemens QFM3171 Duct RH and Temp Sensor, 2 percent (high) accuracy, RH: 4-20 4 T: 4-20 mA | Midwest Supply Us
QFM3171 | Duct RH and Temp Sensor, 2 percent (high) accuracy, RH: 4-20 4 T: 4-20 mA | Siemens
Brand: Siemens
SKU: QFM3171
$243.82 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 Siemens QFA32SS.FWSN Humidity&Temp Room Unit, 2%, selectable RH&T, Display, Temp Setpt, Override | Midwest Supply Us
QFA32SS.FWSN | Humidity&Temp Room Unit, 2%, selectable RH&T, Display, Temp Setpt, Override | Siemens
Brand: Siemens
SKU: QFA32SS.FWSN
$236.25 each
View Details Siemens AQF3150 Replacement Sensor Tip 2 percent RH Duct | Midwest Supply Us
AQF3150 | Replacement Sensor Tip 2 percent RH Duct | Siemens
Brand: Siemens
SKU: AQF3150
$153.37 each
View Details Veris CD2E CO2 | Duct | Economy | No LCD | Midwest Supply Us
CD2E | CO2 | Duct | Economy | No LCD | Veris
Brand: Veris
SKU: CD2E
$275.00 each
View Details Siemens SAS81.33U Powermite 599 MT Series SAS Electronic Valve Actuator, SR, 24V, Float Control | Midwest Supply Us
SAS81.33U | Powermite 599 MT Series SAS Electronic Valve Actuator, SR, 24V, Float Control | Siemens
Brand: Siemens
SKU: SAS81.33U
$295.61 each
View Details Veris HD2XVSX RH Duct | 2% | 5/10VDC | Midwest Supply Us
HD2XVSX | RH Duct | 2% | 5/10VDC | Veris
Brand: Veris
SKU: HD2XVSX
$199.56 each
View Details Veris HD2XVSTA1 RH Duct | 2% | 5/10VDC | T-Xmtr | -58to122F | Midwest Supply Us
HD2XVSTA1 | RH Duct | 2% | 5/10VDC | T-Xmtr | -58to122F | Veris
Brand: Veris
SKU: HD2XVSTA1
$279.80 each
View Details Veris HD2XMSTH2 RH Duct | 2% | 4-20mA | Temp | 10k T3 | 2PT CAL | Midwest Supply Us
HD2XMSTH2 | RH Duct | 2% | 4-20mA | Temp | 10k T3 | 2PT CAL | Veris
Brand: Veris
SKU: HD2XMSTH2
$244.88 each
View Details Veris HD2XVSTH RH Duct | 2% | 5/10VDC | Temp | 10k T3 | Midwest Supply Us
HD2XVSTH | RH Duct | 2% | 5/10VDC | Temp | 10k T3 | Veris
Brand: Veris
SKU: HD2XVSTH
$207.88 each
View Details Siemens QFA3212.FWNN ROOM RHT 1K OHM PT(385) FULL HMI NO LOGO | Midwest Supply Us
QFA3212.FWNN | ROOM RHT 1K OHM PT(385) FULL HMI NO LOGO | Siemens
Brand: Siemens
SKU: QFA3212.FWNN
$217.37 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 Siemens 544-339-8 Duct Point Sensor, 1K Ohm Platinum (375 Alpha), 8-Inch | Midwest Supply Us
544-339-8 | Duct Point Sensor, 1K Ohm Platinum (375 Alpha), 8-Inch | Siemens
Brand: Siemens
SKU: 544-339-8
$39.75 each
Communication
Element Type
Sensing Element
Sensor
Sensor Housing
Sensor Length
Temp & Humidity Signals
Voltage
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as experts in Duct Sensors
(847) 773-1023

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