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
ACI humidity sensor
Item: 148239

RH Room Thermistor

Model: A/RH2-CP-RSO-A01-C6

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Room (R), ± 2% Accuracy, 10,000 Ohm Thermistor (Type II), w/ Setpoint (0-100K) and Override, Cooler/Warmer

$350.00
Product details
ACI humidity sensor
Item: 140675

RH Room Thermistor

Model: A/RH2-CP-RSO-A03-C5

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Room (R), ± 2% Accuracy, 10K Ohm Thermistor (Type II), Setpoint:0-10K, Override

$350.00
Product details
outside NEMA RH
Item: 147217

RH Outside Air Thermistor

Model: A/RH2-AN-O-4X-NIST

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Outside Air, ± 2% Accuracy, 10,000 Ohm Thermistor (Type III), NEMA 4X Enclosure, NIST Cert

$437.00
Product details
duct eh rh
Item: 147035

RH Duct Thermistor

Model: A/RH3-50K-D

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Duct, ± 3% Accuracy, 50,000 Ohm Thermistor, Euro Enclosure

$276.00
Product details
ACI humidity sensor
Item: 140986

RH Room Thermistor

Model: A/RH2-CP-RSO-A10-C5

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Room (R), ± 2% Accuracy, 10K Ohm Thermistor (Type II), Setpoint:0-1K, Override

$350.00
Product details
room r
Item: 122683

RH Room Thermistor

Model: A/RH2-CSI-R

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Room (R), ± 2% Accuracy, 10,000 Ohm Thermistor (CSI)

$329.00
Product details
room R2
Item: 134582

RH Room Thermistor

Model: A/RH2-CSI-R2

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Room (R2), ± 2% Accuracy, 10,000 Ohm Thermistor (CSI)

$329.00
Product details
room ro
Item: 122684

RH Room Thermistor

Model: A/RH2-CSI-RO

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Room (R), ± 2% Accuracy, 10,000 Ohm Thermistor (CSI), w/ Override

$340.00
Product details
room override
Item: 147770

RH Room

Model: A/RH2-R2O

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Room (R2), ± 2% Accuracy, Override

$329.00
Product details
room r
Item: 146700

RH Room Thermistor

Model: A/RH3-1.8K-R

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Room (R), ± 3% Accuracy, 1,800 Ohm Thermistor

$265.00
Product details
room R2
Item: 134593

RH Room Thermistor

Model: A/RH3-1.8K-R2

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Room (R2), ± 3% Accuracy, 1,800 Ohm Thermistor

$265.00
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