Close suggestions
Product suggestions
Recommended products
Humidity

Humidity

Accurate, Reliable, and Long-life Humidity Sensors

ACI humidity sensors are durable, accurate, reliable, and backed by a five-year warranty on the entire device. They can be field calibrated to reduce operating costs and paired with a temperature sensor(s) to reduce installation costs.

Humidity
Humidity Sensors

Product Line Cards

Product catalog
Complete Product Catalog

Product Line Cards

Humidity Products

792 Results
room R2
Item: 133866

RH Room Thermistor

Model: A/RH3-3K-R2

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Room (R2), ± 3% Accuracy, 3,000 Ohm Thermistor (ASI)

$265.00
Product details
room R2
Item: 142462

RH Room Thermistor

Model: A/RH3-3K-R2L

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Room (R2), ± 3% Accuracy, 3,000 Ohm Thermistor, Custom Logo, Standard

$265.00
Product details
duct 4X tt rh
Item: 122689

RH Duct

Model: A/RH2-D-4X

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Duct, ± 2% Accuracy, NEMA 4X Enclosure

$341.00
Product details
duct bb
Item: 122695

RH Duct

Model: A/RH2-D-BB

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Duct, ± 2% Accuracy, NEMA 3R Enclosure

$324.00
Product details
duct eh rh
Item: 122921

RH Duct

Model: A/RH3-D

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Duct, ± 3% Accuracy, Euro Enclosure

$265.00
Product details
room override
Item: 144031

RH Room Thermistor

Model: A/RH3-3K-R2O

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Room (R2), ± 3% Accuracy, 3,000 Ohm Thermistor (ASI), W/ Override

$276.00
Product details
outside NEMA RH
Item: 122940

RH Outside Air

Model: A/RH3-O-4X

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Outside Air, ± 3% Accuracy, NEMA 4X Enclosure

$294.00
Product details
outside air euro housing
Item: 122941

RH Outside Air

Model: A/RH3-O-3.25"-EH

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Outside Air (3.25" SS), ± 3% Accuracy, Euro Enclosure

$276.00
Product details
outside air euro housing
Item: 123095

RH Outside Air

Model: A/RH5-O

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Outside Air, ± 5% Accuracy, Euro Enclosure

$204.00
Product details
outside air RH
Item: 123098

RH Outside Air

Model: A/RH5-O-BB

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Outside Air, ± 5% Accuracy, NEMA 3R Enclosure

$204.00
Product details
room RH resistive
Item: 141021

RH Room Thermistor

Model: A/RH3-3K-R2SO-A07-G5

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Room (R2), ± 3% Accuracy, 3,000 Ohm Thermistor, Setpoint:10K-30K, Override, Blue/Red Sticker

$287.00
Product details
outside air RH
Item: 136064

RH Outside Air

Model: A/RH3-O-BB

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Outside Air, ± 3% Accuracy, NEMA 3R

$276.00
Product details

Resources related to Humidity

Learn About Our Applications

View guides highlighting the unique sensing solutions ACI offers for some of the most common applications in our industry.

View Guides

View Our Helpful Calculators

Use ACI’s calculators for Span and Temperature Conversion.

View Calculators