Humidity Sensors

Humidity Sensors monitor moisture levels in air to protect HVAC systems and maintain indoor air quality. These precision instruments help prevent mold, equipment damage, and comfort issues in residential and commercial spaces. Jackson Systems stocks wall-mount, duct, and wireless humidity sensors in various accuracy ranges – shop our complete selection today.

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Showing 1–48 of 197 resultsSorted by popularity

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
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
Dehumidistat for Humidity-Based Ventilation Control

Tjernlund Products

SKU: DH10
$91.80
MSRP: $105.57
You save 15%
Tjernlund Products DH10 Dehumidistat quantity
Humidity Sensor for Reliable Indoor Climate Monitoring

Trane

SKU: SEN1036
$270.30
MSRP: $310.85
You save 15%
Trane SEN1036 Humidity Sensor quantity
Outdoor Air Temperature & Humidity Sensor

Trane

SKU: SEN03533
$1,414.16
MSRP: $1,626.28
You save 15%
Trane SEN03533 Outdoor Air Temperature & Humidity Sensor quantity
32-125°F Humidity Sensor

Trane

SKU: SEN0277
$238.45
MSRP: $274.22
You save 15%
Trane SEN0277 32-125°F Humidity Sensor quantity
Wall Mounted Dehumidistat for Humidity Control

Soler & Palau (S&P)

SKU: SHW-20
$74.80
MSRP: $86.02
You save 15%
Soler & Palau SHW-20 Wall Mounted Dehumidistat quantity
PC AC Bath Exhaust Fan with Integrated Humidity Sensor

Soler & Palau (S&P)

SKU: PCHSP
$100.98
MSRP: $116.13
You save 15%
Soler & Palau PCHSP PC AC Bath Fan with Humidity Sensor quantity
Premium Choice Humidity Sensor for Precise IAQ Control

Soler & Palau (S&P)

SKU: PCHS
$100.98
MSRP: $116.13
You save 15%
Soler & Palau PCHS Premium Choice Humidity Sensor quantity
Temperature / Humidity Alarm

Supco

SKU: THA2U
$498.13
MSRP: $572.85
You save 15%
Supco THA2U Temperature / Humidity Alarm quantity
Temperature / Humidity Data Logger

Supco

SKU: SL300TH
$151.69
MSRP: $174.44
You save 15%
Supco SL300TH Temperature / Humidity Data Logger quantity
Humidity Room Sensor for Zoning System Control

Rheem

SKU: RHC-ZNS5
$340.44
MSRP: $391.51
You save 15%
Rheem-Ruud RHC-ZNS5 Humidity Room Sensor quantity
Enthalpy Sensor for Rheem-Ruud HVAC Systems

Rheem

SKU: PD955875
$196.55
MSRP: $226.03
You save 15%
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QFR9530 Individual Temperature & Relative Humidity Sensor

Rheem

SKU: PD555460
$182.74
MSRP: $210.15
You save 15%
Rheem-Ruud PD555460 QFR9530 Individual Temperature & RH Sensor quantity
WhisperControl Condensation Sensor Plus Wall Switch

Panasonic Ventilation

SKU: FV-WCCS2-W
$63.26
MSRP: $72.75
You save 15%
Panasonic FV-WCCS2-W WhisperControl Condensation Sensor Plus Wall Switch quantity
WhisperControl Condensation Sensor Plus Wall Switch

Panasonic Ventilation

SKU: FV-WCCS1-W
$68.98
MSRP: $79.33
You save 15%
Panasonic Ventilation FV-WCCS1-W WhisperControl Condensation Sensor Plus Wall Switch quantity
Smart Action Combined Motion + Condensation Sensor

Panasonic Ventilation

SKU: FV-CMVK3
$76.50
MSRP: $87.98
You save 15%
Panasonic Ventilation FV-CMVK3 Smart Action Combined Motion + Condensation Sensor quantity
Duct Air Quality Sensor, CO2/Humidity/Temp, 0-10V Output, No Display

Siemens

SKU: QPM2162
$686.33
MSRP: $789.28
You save 15%
Siemens QPM2162 Duct Air Quality Sensor, CO2/Humidity/Temp, 0-10V, No Display quantity
Room Air Quality Sensor, 0-10V CO2/Humidity/Temp, No Display

Siemens

SKU: QPA2062
$616.91
MSRP: $709.45
You save 15%
Siemens QPA2062 Room Air Quality Sensor, 0-10V CO2/Humidity/Temp, No Display quantity
Duct RH & Temp Sensor, 4-20mA, 0-100% RH, Adjustable Probe

Siemens

SKU: QFM4171
$640.91
MSRP: $737.05
You save 15%
Read more
Duct RH Sensor, 4-20mA Output, 0-100% RH, Adjustable Probe Depth

Siemens

SKU: QFM3171
$274.56
MSRP: $315.74
You save 15%
Siemens QFM3171 Duct RH Sensor, 4-20mA, 0-100% RH, Adjustable Probe quantity
Duct RH & Temp Sensor, 0-10Vdc, 0-100% RH, No Display

Siemens

SKU: QFM3160
$274.56
MSRP: $315.74
You save 15%
Siemens QFM3160 Duct RH & Temp Sensor, 0-10Vdc, 0-100% RH, No Display quantity
Duct RH Sensor, 4-20mA Output, 0-100% RH, Adjustable Probe Depth

Siemens

SKU: QFM3101
$248.83
MSRP: $286.15
You save 15%
Siemens QFM3101 Duct RH Sensor, 4-20mA, 0-100% RH, Adjustable Probe quantity
Duct RH Sensor, 0-10Vdc Output, 0-100% RH, Adjustable Probe Depth

Siemens

SKU: QFM3100
$248.83
MSRP: $286.15
You save 15%
Siemens QFM3100 Duct RH Sensor, 0-10Vdc, 0-100% RH, Adjustable Probe quantity
Duct RH & Temp Sensor, 4-20mA Output, 0-100% RH, Terminal Block

Siemens

SKU: QFM2171
$200.65
MSRP: $230.75
You save 15%
Siemens QFM2171 Duct RH & Temp Sensor, 4-20mA, 0-100% RH, Terminal Block quantity
Duct RH & Temp Sensor, 0-10Vdc, 0-100% RH, Adjustable Probe

Siemens

SKU: QFM2160U
$200.65
MSRP: $230.75
You save 15%
Siemens QFM2160U Duct RH & Temp Sensor, 0-10Vdc, 0-100% RH, No Display quantity
Duct RH Sensor, 4-20mA, 0-100% RH, Adjustable Probe Depth

Siemens

SKU: QFM2101
$174.30
MSRP: $200.45
You save 15%
Read more
Duct RH Sensor, 0-10Vdc Output, 0-100% RH, Terminal Block

Siemens

SKU: QFM2100
$174.30
MSRP: $200.45
You save 15%
Siemens QFM2100 Duct RH Sensor, 0-10Vdc, 0-100% RH, Terminal Block quantity
Room RH Sensor, 4-20mA Output, 0-100% RH, Terminal Block, No Display

Siemens

SKU: QFA3171
$304.96
MSRP: $350.70
You save 15%
Siemens QFA3171 Room RH Sensor, 4-20mA Output, 0-100% RH, Terminal Block quantity
Room RH Sensor, 0-10Vdc Output, 0-100% RH, Terminal Block, No Display

Siemens

SKU: QFA3160
$304.96
MSRP: $350.70
You save 15%
Siemens QFA3160 Room RH Sensor, 0-10Vdc, 0-100% RH, Terminal Block, No Display quantity
Room RH Sensor, 0-10Vdc Output, 0-100% RH, Terminal Block, No Display

Siemens

SKU: QFA3100
$250.28
MSRP: $287.82
You save 15%
Read more
Room Relative Humidity Sensor, 4-20mA Output, 0-100% RH

Siemens

SKU: QFA2001
$196.94
MSRP: $226.48
You save 15%
Read more
Replacement Sensing Element for QFA31XX & QFM31XX Sensors

Siemens

SKU: AQF3150
$183.55
MSRP: $211.08
You save 15%
Siemens Building Technology AQF3150 Replacement Element for QFA31XX QFM31XX quantity
Stack High Limit Sensor Assembly for Nortec Humidifiers

Nortec

SKU: 2598134
$469.40
MSRP: $539.81
You save 15%
Nortec Humidity 2598134 Stack High Limit Sensor Assembly quantity
SP Humidistat, 0-10VDC Signal Output, Wall Mount

Nortec

SKU: 2597928
$845.98
MSRP: $972.88
You save 15%
Nortec Humidity 2597928 SP Humidistat, 0-10VDC, Wall Mount quantity
Distributor Plastic RH Space Sensor for Humidification Systems

Nortec

SKU: 2585311
$257.79
MSRP: $296.46
You save 15%
Nortec Humidity 2585311 Distributor Plastic RH Space Sensor quantity
SP Series Process Level Sensor PCB Replacement

Nortec

SKU: 2584842
$166.73
MSRP: $191.74
You save 15%
Nortec Humidity 2584842 SP Process Level Sensor PCB RS quantity
Outside Level Sensor PCB Replacement for Nortec Humidifiers

Nortec

SKU: 2584841
$194.94
MSRP: $224.18
You save 15%
Nortec Humidity 2584841 SP Outside Level Sensor PCB RS quantity
0-10V Digital Humidity Controller, Sensor Not Included

Nortec

SKU: 2520261
$519.41
MSRP: $597.32
You save 15%
Nortec Humidity 2520261 0-10V Digital Humidity Controller w/o Sensor quantity
Duct Mount Humidity Sensor with High Limit Control

Neptronic

SKU: SHS80-300
$259.76
MSRP: $298.72
You save 15%
Neptronic SHS80-300 Duct Mnt Humidity Sensor / High Limit Controller quantity
Room Humidistat for Precise Humidity Control

Neptronic

SKU: HRO20
$533.46
MSRP: $613.48
You save 15%
Neptronic HRO20 Room Humidistat quantity
Humidity Sensor with VDC Output Signal

MAMAC

SKU: VA-921-VDC-8
$181.50
MSRP: $208.73
You save 15%
Read more
Humidity Sensor for HVAC Building Automation Systems

MAMAC

SKU: VA-921-VDC-7
$181.50
MSRP: $208.73
You save 15%
MAMAC Systems VA-921-VDC-7 Humidity Sensor quantity
OEM Humidity & Temperature Sensor, 3% Accuracy, 0-10Vdc Output

MAMAC

SKU: HU-921-VDC-8
$65.91
MSRP: $75.80
You save 15%
Read more
OEM Humidity Sensor, 3% Accuracy, 0-10Vdc Output, NTC Thermistor

MAMAC

SKU: HU-921-VDC-7
$65.91
MSRP: $75.80
You save 15%
Read more
OEM Humidity Sensor, 3% Accuracy, 0-10Vdc, NTC Thermistor

MAMAC

SKU: HU-921-VDC-12
$65.91
MSRP: $75.80
You save 15%
MAMAC Systems HU-921-VDC-12 OEM Humidity Sensor, 3% Accuracy, 0-10Vdc quantity
OEM Humidity Sensor, 3% Accuracy, 4-20mA, NTC Thermistor, 12-40Vdc

MAMAC

SKU: HU-921-MA-8
$65.91
MSRP: $75.80
You save 15%
Read more
Humidity & Temperature Sensor with 5 VDC Output, 12″ Probe

MAMAC

SKU: HU-921-5-VDC-12
$181.50
MSRP: $208.73
You save 15%
MAMAC Systems HU-921-5-VDC-12 Humidity & Temperature Sensor quantity