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.

Filter

Brand

Showing 49–96 of 197 resultsSorted by popularity

Humidity Transducer with VDC Output & 10Kohm NTC Sensor

MAMAC

SKU: HU-921-1-VDC-8
$181.50
MSRP: $208.73
You save 15%
MAMAC Systems HU-921-1-VDC-8 Humidity Transducer VDC 10Kohm NTC quantity
Outside Air Humidity & Temperature Transducer, 3% Accuracy

MAMAC

SKU: HU-227-3-VDC-8
$127.05
MSRP: $146.11
You save 15%
MAMAC Systems HU-227-3-VDC-8 Outside Air Humidity & Temperature Transducer quantity
Outside Air Humidity & Temperature Transducer, 3% Accuracy

MAMAC

SKU: HU-227-3-VDC-12
$127.05
MSRP: $146.11
You save 15%
MAMAC Systems HU-227-3-VDC-12 Outside Air Humidity & Temperature Transducer quantity
Outside Air Humidity & Temperature Transducer, 2% Accuracy

MAMAC

SKU: HU-227-2-MA-12
$145.20
MSRP: $166.98
You save 15%
MAMAC Systems HU-227-2-MA-12 Outside Air Humidity & Temperature Transducer quantity
Duct Humidity & Temperature Transducer, 3% Accuracy, 0-5/0-10VDC

MAMAC

SKU: HU-226-3-VDC-8
$116.33
MSRP: $133.78
You save 15%
Read more
Duct Humidity & Temperature Transducer, 3% Accuracy, 0-5/0-10VDC

MAMAC

SKU: HU-226-3-VDC-17
$116.33
MSRP: $133.78
You save 15%
MAMAC Systems HU-226-3-VDC-17 Duct Humidity & Temperature Transducer quantity
Duct Humidity & Temperature Transducer, 2% Accuracy, 4-20mA

MAMAC

SKU: HU-226-2-MA-12
$127.05
MSRP: $146.11
You save 15%
Read more
Wall Humidity Transducer, 2% Accuracy, 0-5/0-10VDC Output

MAMAC

SKU: HU-225-2-VDC
$106.64
MSRP: $122.64
You save 15%
MAMAC Systems HU-225-2-VDC Wall Humidity Transducer, 2% Accuracy, 0-5/0-10VDC quantity
Wall Humidity Transducer, 2% Accuracy, 4-20mA 2-Wire, 12-40Vdc

MAMAC

SKU: HU-225-2-MA
$106.64
MSRP: $122.64
You save 15%
MAMAC Systems HU-225-2-MA Wall Humidity Transducer, 2% Accuracy, 4-20mA quantity
Duct Humidity Transducer, 3% Accuracy, 4-20mA 2-Wire, 12-40Vdc

MAMAC

SKU: HU-224-3-MA
$106.64
MSRP: $122.64
You save 15%
MAMAC Systems HU-224-3-MA Duct Humidity Transducer, 3% Accuracy, 4-20mA quantity
Duct Humidity Transducer, 2% Accuracy, 4-20mA 2-Wire, 12-40Vdc

MAMAC

SKU: HU-224-2-MA
$126.03
MSRP: $144.93
You save 15%
MAMAC Systems HU-224-2-MA Duct Humidity Transducer, 2% Accuracy, 4-20mA quantity
Enthalpy Humidity Sensor for Building Automation

MAMAC

SKU: 105905
$181.50
MSRP: $208.73
You save 15%
MAMAC Systems 105905 Enthalpy Humidity Sensor quantity
Ventostat CO2, Relative Humidity & Temperature Sensor

Lennox

SKU: 87N54
$530.89
MSRP: $610.52
You save 15%
Lennox 87N54 Ventostat CO2, Relative Humidity & Temperature Sensor quantity
RH Duct Sensor for Lennox HVAC Systems

Lennox

SKU: 76M31
$425.25
MSRP: $489.04
You save 15%
Lennox 76M31 RH Duct Sensor quantity
Temperature and Humidity Sensor for Lennox Systems

Lennox

SKU: 23K56
$75.03
MSRP: $86.28
You save 15%
Lennox 23K56 Temperature and Humidity Sensor quantity
Humidity Sensor for HVAC Systems

Lennox

SKU: 17M50
$343.35
MSRP: $394.85
You save 15%
Lennox 17M50 Humidity Sensor for HVAC Systems quantity
Enthalpy Sensor for Economizer Control | SKU 11G27

Lennox

SKU: 11G27
$305.55
MSRP: $351.38
You save 15%
Lennox 11G27 Enthalpy Sensor quantity
Temperature, Humidity & CO2 Sensor, White

KMC Controls

SKU: STE-9021W
$276.96
MSRP: $318.50
You save 15%
KMC Controls STE-9021W Temperature, Humidity & CO2 Sensor, White quantity
Temp, Humidity & CO2 Combination Room Sensor, Almond

KMC Controls

SKU: STE-9021
$276.96
MSRP: $318.50
You save 15%
KMC Controls STE-9021 Temp, Humidity & CO2 Sensor, Almond quantity
BACnet CO2, Temperature & Relative Humidity Transmitter

Kele

SKU: T8100-HD-BAC
$548.65
MSRP: $630.95
You save 15%
Kele T8100-HD-BAC BACnet CO2/Temperature/RH Transmitter quantity
Wall Mount 2% Accuracy Humidity Transmitter

Kele

SKU: KHR2
$217.35
MSRP: $249.95
You save 15%
Kele KHR2 Wall Mount 2% Accuracy Humidity Transmitter quantity
CO2 & Relative Humidity Sensor, 0–10V Output, Wall Mount

Kele

SKU: KCO2-RH-W-V
$268.46
MSRP: $308.73
You save 15%
Kele KCO2-RH-W-V CO2/RH Sensor 0–10V Output Wall Mount quantity
Wall Relative Humidity & Temperature Transmitter

Kele

SKU: HMW93
$905.83
MSRP: $1,041.70
You save 15%
Kele HMW93 Wall Relative Humidity & Temperature Transmitter quantity
Wireless Room Temp & 3% RH Sensor with Occupancy Override

Johnson Controls

SKU: WRZ-THN0000-2
$317.96
MSRP: $365.65
You save 15%
Read more
Wireless Temperature & Humidity Sensor, 55–85°F Range

Johnson Controls

SKU: WRZ-THJ0000-2
$393.63
MSRP: $452.67
You save 15%
Johnson Controls WRZ-THJ0000-2 Wireless Temp/Humidity Sensor 55-85°F quantity
Humidistat, 120/208/240 Vac, 0–70% RH Range, SPDT, Dual Mount

Johnson Controls

SKU: W43A-14
$243.18
MSRP: $279.66
You save 15%
Johnson Controls W43A-14 Humidistat, 120/208/240 Vac, 0-70% RH, SPDT quantity
Humidistat, Line/Low Voltage, 10-90% RH, 4% Differential, SPDT

Johnson Controls

SKU: W42AA-1
$243.18
MSRP: $279.66
You save 15%
Johnson Controls W42AA-1 Humidistat, Line/Low Voltage, 10-90% RH, SPDT quantity
Temperature/Humidity Sensor with Display, Logo & PIR

Johnson Controls

SKU: NSB8MHN240-0
$456.06
MSRP: $524.47
You save 15%
Johnson Controls NSB8MHN240-0 Temperature/Humidity Sensor w/Display, Logo & PIR quantity
Temp/Humidity/CO2 Wall Sensor with PIR Occupancy & Display, White

Johnson Controls

SKU: NSB8MHC240-0
$800.41
MSRP: $920.47
You save 15%
Read more
White Temperature & Humidity Sensor with Display

Johnson Controls

SKU: NSB8BPN241-0
$711.13
MSRP: $817.80
You save 15%
Johnson Controls NSB8BPN241-0 White Temperature & Humidity Sensor w/ Display quantity
White Temp/Humidity Sensor with Display & Logo

Johnson Controls

SKU: NSB8BPN240-0
$648.85
MSRP: $746.18
You save 15%
Johnson Controls NSB8BPN240-0 White Temp/Humidity Sensor w/Display & Logo quantity
White Temp/Humidity Sensor with User Interface

Johnson Controls

SKU: NSB8BHN340-0
$460.23
MSRP: $529.26
You save 15%
Johnson Controls NSB8BHN340-0 White Temp/Humidity Sensor w/ User Interface quantity
White Temperature & Humidity Sensor with Display

Johnson Controls

SKU: NSB8BHN241-0
$405.68
MSRP: $466.53
You save 15%
Read more
White Room Temperature & Humidity Sensor with Display

Johnson Controls

SKU: NSB8BHN240-0
$391.69
MSRP: $450.44
You save 15%
Johnson Controls NSB8BHN240-0 White Room Temp/Humidity Sensor w/ Display quantity
Temp/Humidity Warm/Cool Room Sensor, White

Johnson Controls

SKU: NSB8BHN141-0
$373.04
MSRP: $429.00
You save 15%
Read more
Temperature & Humidity Warm/Cool Room Sensor, White

Johnson Controls

SKU: NSB8BHN140-0
$345.68
MSRP: $397.53
You save 15%
Johnson Controls NSB8BHN140-0 Temp/Humidity Warm/Cool Room Sensor White quantity
Room Temperature & Humidity Sensor, White, No Logo

Johnson Controls

SKU: NSB8BHN041-0
$362.95
MSRP: $417.39
You save 15%
Johnson Controls NSB8BHN041-0 Room Temp/Humidity Sensor White No Logo quantity
White Room Temperature & Humidity Sensor with Logo

Johnson Controls

SKU: NSB8BHN040-0
$328.15
MSRP: $377.37
You save 15%
Johnson Controls NSB8BHN040-0 White Room Temp/Humidity Sensor w/ Logo quantity
Temp/Humidity/CO2 Wall Sensor with User Interface

Johnson Controls

SKU: NSB8BHC340-0
$805.99
MSRP: $926.89
You save 15%
Read more
Temp/Humidity/CO2 White Room Sensor with Display

Johnson Controls

SKU: NSB8BHC241-0
$768.59
MSRP: $883.88
You save 15%
Johnson Controls NSB8BHC241-0 Temp/Humidity/CO2 White Room Sensor w/ Display quantity
Temp/Humidity/CO2 White Wall Sensor with Display

Johnson Controls

SKU: NSB8BHC240-0
$731.14
MSRP: $840.81
You save 15%
Read more
Temp/Humidity/CO2 White Room Sensor

Johnson Controls

SKU: NSB8BHC040-0
$656.26
MSRP: $754.70
You save 15%
Johnson Controls NSB8BHC040-0 Temp/Humidity/CO2 White Room Sensor quantity
Multi-Function Humidity & Temperature Sensor with VDC Output

Johnson Controls

SKU: HL-69158NP-0
$368.81
MSRP: $424.13
You save 15%
Johnson Controls HL-69158NP-0 Multi-Function Humidity & Temp Sensor VDC quantity
10000 Ohm Grey Surface/Duct Humidity Sensor

Johnson Controls

SKU: HE-69Y3-5NS0
$189.65
MSRP: $218.10
You save 15%
Johnson Controls HE-69Y3-5NS0 10000 Ohm Grey Surface/Duct Humidity Sensor quantity
Duct Humidity Sensor, %RH & 1035 Ohm Silicon Output

Johnson Controls

SKU: HE-69S3-0NP0
$380.06
MSRP: $437.07
You save 15%
Johnson Controls HE-69S3-0NP0 Duct Humidity Sensor, %RH & 1035 Ohm SI quantity
Duct Probe Humidity Sensor, ±3% RH Accuracy, 1kΩ Output

Johnson Controls

SKU: HE-69530NP-0
$380.06
MSRP: $437.07
You save 15%
Johnson Controls HE-69530NP-0 Duct Probe Humidity Sensor, 3% RH, 1kΩ quantity
Humidity & Temperature Sensor for HVAC Building Automation

Johnson Controls

SKU: HE-69520NP-0
$419.24
MSRP: $482.13
You save 15%
Johnson Controls HE-69520NP-0 Humidity & Temperature Sensor quantity
Duct Humidity Sensor, Surface Mount, 0-5V Output, ±3% RH Accuracy

Johnson Controls

SKU: HE-69135NS-0
$195.06
MSRP: $224.32
You save 15%
Johnson Controls HE-69135NS-0 Duct Humidity Sensor Surface Mount 0-5V 3%RH quantity