Sensors

Sensors detect changes in your environment and send critical data to HVAC, plumbing, and electrical systems. These devices monitor temperature, pressure, flow, and more to keep systems running safely and efficiently. Choose from our wide selection of sensor types and sizes to get the monitoring solution you need today.

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Showing 97–144 of 997 resultsSorted by popularity

Differential Pressure Switch, 0.4–12″ W.C. Range

Belimo

SKU: EXT-AFS-460
$78.03
MSRP: $89.73
You save 15%
Belimo EXT-AFS-460 Differential Pressure Switch 0.4–12" W.C. quantity
T-Piece with Thermowell, 1-1/2″ Pipe Size

Belimo

SKU: A-22PE-A13
$63.77
MSRP: $73.34
You save 15%
Belimo A-22PE-A13 T-Piece with Thermowell 1-1/2" quantity
Stainless Steel Thermowell, 6″ Insertion Length, 1/2″ NPT

Belimo

SKU: A-22P-A09
$25.07
MSRP: $28.83
You save 13%
Belimo A-22P-A09 Stainless Steel Thermowell 6" Insertion 1/2" NPT quantity
Thermowell Stainless Steel 1/2″ NPT 100MM

Belimo

SKU: A-22P-A07
$21.11
MSRP: $24.28
You save 15%
Belimo A-22P-A07 Thermowell Stainless Steel 1/2" NPT 100MM quantity
Liquid Pressure Sensor, 0-200 PSI, 4-20mA Output

Belimo

SKU: 22WP-537
$222.44
MSRP: $255.81
You save 13%
Belimo 22WP-537 Liquid Pressure Sensor, 0-200 PSI, 4-20mA Output quantity
Liquid Pressure Sensor, 100 PSI

Belimo

SKU: 22WP-536
$231.99
MSRP: $266.79
You save 15%
Belimo 22WP-536 Liquid Pressure Sensor, 100 PSI quantity
Liquid Pressure Sensor, 0-10V Output

Belimo

SKU: 22WP-517
$230.57
MSRP: $265.16
You save 13%
Belimo 22WP-517 Liquid Pressure Sensor, 0-10V Output quantity
Liquid Pressure Sensor, 0–10V Output

Belimo

SKU: 22WP-516
$231.99
MSRP: $266.79
You save 15%
Belimo 22WP-516 Liquid Pressure Sensor, 0–10V Output quantity
Outdoor Humidity & Temperature Sensor, 4-20mA Output

Belimo

SKU: 22UTH-530X
$344.09
MSRP: $395.70
You save 13%
Belimo 22UTH-530X Outdoor Humidity & Temperature Sensor 4-20mA quantity
Outdoor Humidity & Temperature Sensor, 4-20mA Output

Belimo

SKU: 22UTH-53
$295.14
MSRP: $339.41
You save 13%
Belimo 22UTH-53 Outdoor Humidity & Temperature Sensor 4-20mA quantity
Outdoor Humidity & Temperature Sensor, 0-5V / 0-10V Output

Belimo

SKU: 22UTH-510X
$346.20
MSRP: $398.13
You save 13%
Belimo 22UTH-510X Outdoor Humidity & Temperature Sensor 0-5V / 0-10V quantity
Outdoor Humidity & Temperature Sensor, 0-5V / 0-10V Output

Belimo

SKU: 22UTH-510Q
$282.99
MSRP: $325.44
You save 15%
Belimo 22UTH-510Q Outdoor Humidity & Temperature Sensor 0-5V / 0-10V quantity
Outdoor Humidity & Temperature Sensor, 0-5V / 0-10V Output

Belimo

SKU: 22UTH-510L
$295.14
MSRP: $339.41
You save 13%
Belimo 22UTH-510L Outdoor Humidity & Temperature Sensor 0-5V / 0-10V quantity
Outdoor Humidity & Temperature Sensor, 0-5V / 0-10V Output

Belimo

SKU: 22UTH-51
$282.99
MSRP: $325.44
You save 15%
Belimo 22UTH-51 Outdoor Humidity & Temperature Sensor 0-5V / 0-10V quantity
Outdoor Temperature Sensor, Active 4–20 mA Output

Belimo

SKU: 22UT-54
$121.99
MSRP: $140.29
You save 13%
Belimo 22UT-54 Outdoor Temperature Sensor, Active 4–20 mA Output quantity
Room Temperature, Relative Humidity & CO2 Sensor

Belimo

SKU: 22RTM-5X900A
$392.27
MSRP: $451.11
You save 13%
Belimo 22RTM-5X900A Room Temperature, Humidity & CO2 Sensor quantity
24V AC/DC Room Temperature Sensor for HVAC Control

Belimo

SKU: 22RT-5900A
$109.94
MSRP: $126.43
You save 13%
Belimo 22RT-5900A 24V AC/DC Room Temperature Sensor quantity
2″ NPT Pressure-Independent Flow Meter, 91.2 GPM, 24V

Belimo

SKU: 22PF-5UHH
$1,327.38
MSRP: $1,526.49
You save 15%
Belimo 22PF-5UHH 2" NPT Pressure-Independent Flow Meter 91.2 GPM 24V quantity
0-10PPM BACnet SPDT CAN Bus CO2 Sensor

Belimo

SKU: 22G14-5B
$607.96
MSRP: $699.15
You save 15%
Belimo 22G14-5B 0-10PPM BACnet SPDT CAN Bus CO2 Sensor quantity
Gas Monitor for CO and NO with Auxiliary Output

Belimo

SKU: 22G0214-5A
$882.26
MSRP: $1,014.60
You save 13%
Belimo 22G0214-5A Gas Monitor for CO and NO with Auxiliary Output quantity
CO Gas Monitor with CAN Bus BACnet Communication

Belimo

SKU: 22G02-5A
$615.56
MSRP: $707.89
You save 13%
Belimo 22G02-5A CO Gas Monitor with CAN Bus BACnet Communication quantity
Duct Humidity & Temperature Sensor, 4-20mA Output

Belimo

SKU: 22DTH-53M
$225.23
MSRP: $259.01
You save 13%
Belimo 22DTH-53M Duct Humidity & Temperature Sensor, 4-20mA quantity
Duct Humidity & Temperature Sensor, 0-5V / 0-10V Outputs

Belimo

SKU: 22DTH-51ML
$223.87
MSRP: $257.45
You save 15%
Belimo 22DTH-51ML Duct Humidity & Temperature Sensor 0-5V / 0-10V quantity
Duct Humidity & Temperature Sensor, 0-5V / 0-10V Output

Belimo

SKU: 22DTH-51M
$225.23
MSRP: $259.01
You save 13%
Belimo 22DTH-51M Duct Humidity & Temperature Sensor, 0-5V / 0-10V Output quantity
Duct CO2 Sensor with 4-20mA Output

Belimo

SKU: 22DC-53
$388.15
MSRP: $446.37
You save 13%
Belimo 22DC-53 Duct CO2 Sensor with 4-20mA Output quantity
Differential Pressure Sensor, 0-1 In. WC Range, 4-20mA Output

Belimo

SKU: 22ADP-58Q
$215.47
MSRP: $247.79
You save 13%
Belimo 22ADP-58Q Differential Pressure Sensor 0-1 In. WC 4-20mA quantity
Outdoor Temperature Sensor, Passive NTC10k3, 5m Cable

Belimo

SKU: 01UT-5M
$32.99
MSRP: $37.94
You save 15%
Belimo 01UT-5M Outdoor Temperature Sensor Passive NTC10k3 quantity
Outdoor Temperature Sensor, Passive NTC10k

Belimo

SKU: 01UT-5L
$32.54
MSRP: $37.42
You save 15%
Belimo 01UT-5L Outdoor Temperature Sensor Passive NTC10k quantity
Duct Averaging Temperature Sensor with 20′ Probe

Belimo

SKU: 01MT-5L5
$174.05
MSRP: $200.16
You save 15%
Belimo 01MT-5L5 Duct Averaging Temperature Sensor 20' Probe quantity
12″ Passive NTC10K Duct Temperature Sensor

Belimo

SKU: 01DT-5MR
$21.37
MSRP: $24.58
You save 13%
Read more
Passive NTC10k3 Temperature Sensor, 8″ Immersion

Belimo

SKU: 01DT-5MP
$21.37
MSRP: $24.58
You save 13%
Belimo 01DT-5MP Passive NTC10k3 Temperature Sensor 8" Immersion quantity
Passive NTC10k3 Temperature Sensor, 4″ Immersion

Belimo

SKU: 01DT-5ML
$21.37
MSRP: $24.58
You save 13%
Belimo 01DT-5ML Passive NTC10k3 Temperature Sensor 4" Immersion quantity
Passive NTC10k Temperature Sensor with 8″ Probe

Belimo

SKU: 01DT-5LP
$21.37
MSRP: $24.58
You save 13%
Read more
Passive NTC10k Temperature Sensor, 6″ Duct Probe

Belimo

SKU: 01DT-5LN
$21.90
MSRP: $25.19
You save 15%
Belimo 01DT-5LN Passive NTC10k Temperature Sensor, 6" Duct Probe quantity
Passive NTC10k Temperature Sensor, 4″ Immersion

Belimo

SKU: 01DT-5LL
$21.90
MSRP: $25.19
You save 13%
Belimo 01DT-5LL Passive NTC10k Temperature Sensor 4" Immersion quantity
Passive NTC10k Temperature Sensor, 2″ Immersion

Belimo

SKU: 01DT-5LH
$21.90
MSRP: $25.19
You save 13%
Belimo 01DT-5LH Passive NTC10k Temperature Sensor, 2" Immersion quantity
Cable Temperature Sensor, 2m 2-Wire Cable

Belimo

SKU: 01CT-5LH
$21.45
MSRP: $24.67
You save 13%
Belimo 01CT-5LH Cable Temperature Sensor, 2m 2-Wire Cable quantity
Differential Pressure Switch, 0.08–1.20 In. WC Range

Belimo

SKU: 01APS-50R
$50.19
MSRP: $57.72
You save 13%
Belimo 01APS-50R Differential Pressure Switch 0.08-1.20 In. WC quantity
Differential Pressure Switch, 0.8–4 In. WC

Belimo

SKU: 01APS-501
$50.19
MSRP: $57.72
You save 13%
Belimo 01APS-501 Differential Pressure Switch, 0.8–4 In. WC quantity
Line Voltage Fan Coil Unit BACnet Thermostat with PIR & Humidity

Schneider Electric

SKU: VTR8350A5500B
$498.33
MSRP: $573.08
You save 13%
Schneider Electric (Barber Colman) VTR8350A5500B Line Voltage FCU BACnet PIR Humidity Thermostat White quantity
Line Voltage Fan Coil BACnet Thermostat with Humidity Sensing, White

Schneider Electric

SKU: VTR8350A5000B
$332.86
MSRP: $382.79
You save 15%
Schneider Electric (Barber Colman) VTR8350A5000B Line Voltage FCU BACnet Thermostat with Humidity, White quantity
Indoor Air Quality Controller with Zigbee Wireless Communication

Schneider Electric

SKU: VT8650U5500BP
$820.40
MSRP: $943.46
You save 13%
Schneider Electric (Barber Colman) VT8650U5500BP Indoor Air Quality Controller w/Zigbee quantity
Low Voltage Fan Coil & Zone Controller, BACnet MS/TP, RH Sensor

Schneider Electric

SKU: VT8350U5000B
$541.98
MSRP: $623.28
You save 13%
Read more
Hotel Fan Coil Echelon 0-10VDC Thermostat with Humidity Control

Schneider Electric

SKU: VT7355F5531E
$702.21
MSRP: $807.54
You save 13%
Schneider Electric VT7355F5531E Hotel Fan Coil Echelon 0-10VDC Thermostat w/Humidity quantity
Hotel Fan Coil Echo Thermostat with Humidity & PIR Sensor

Schneider Electric

SKU: VT7355C5531E
$672.25
MSRP: $773.09
You save 15%
Schneider Electric VT7355C5531E Hotel Fan Coil Echo Thermostat w/ HUM & PIR quantity
Commercial Fan Coil Thermostat BACnet 0-10V DC Humidity LON

Schneider Electric

SKU: VT7350F5531E
$702.21
MSRP: $807.54
You save 13%
Schneider Electric VT7350F5531E Commercial Fan Coil Thermostat BACnet 0-10V LON quantity
Fan Coil Controller, Network Ready, Internal Humidity Sensor, PIR Ready

Schneider Electric

SKU: VT7350C5031
$267.08
MSRP: $307.14
You save 13%
Schneider Electric VT7350C5031 Fan Coil Controller, Network Ready, Internal Humidity Sensor quantity
Digital Humidistat Controller with Outdoor Reset & High Limit

Schneider Electric

SKU: VH7270K1000
$517.86
MSRP: $595.54
You save 15%
Schneider Electric (Barber Colman) VH7270K1000 Digital Humidistat Controller quantity