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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

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Humidity Products

681 Results
outside NEMA RH
Item: 152058

RH Outside Air Thermistor

Model: A/RH1-CP-O-4X

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Outside Air, ± 1% Accuracy, 10,000 Ohm Thermistor (Type II), NEMA 4X Enclosure

$663.00
Product details
outside NEMA RH
Item: 151835

RH Outside Air Nickel RTDs

Model: A/RH2-1K-NI-O-4X-NIST

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Outside Air, ± 2% Accuracy, 1,000 Ohm Nickel RTD, NEMA 4X Enclosure, NIST Cert

$521.00
Product details
ACI humidity sensor
Item: 151829

RH Room Nickel RTDs

Model: A/RH2-1K-NI-RS-A09-C5-010

Relative Humidity, RH Outputs: 0-5, 0-10 VDC (Default) & 4-20mA, Room (R), ± 2% Accuracy, 1,000 Ohm Nickel RTD, Setpoint 0 to 2K Ohms, Cool/Warm Sticker

$405.00
Product details
outdoor air RH
Item: 152140

RH Outside Air Thermistor

Model: A/RH2-20K-O-NIST

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

$437.00
Product details
room RH resistive
Item: 151896

RH Room Thermistor

Model: A/RH2-CP-R2SO-A10-G5

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Room (R2), ± 2% Accuracy, 10,000 Ohm Thermistor (Type II), Setpoint 0 to 1K Ohms, Override, Blue/Red Sticker

$417.00
Product details
outdoor air RH
Item: 152041

RH Outside Air Thermistor

Model: A/RH3-20K-O-NIST

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

$405.00
Product details
room R2
Item: 151800

RH Room Thermistor

Model: A/RH3-20K-R2-NIST

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

$405.00
Product details
room RH resistive
Item: 151862

RH Room Thermistor

Model: A/RH3-AN-R2SO-A15-G5

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Room (R2), ± 3% Accuracy, 10,000 Ohm Thermistor (Type III), Setpoint 4.99K to 14.99K Ohms, Override, Blue/Red Sticker

$342.00
Product details
room RH resistive
Item: 152110

RH Room Thermistor

Model: A/RH3-CP-R2SO-A10-G5

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Room (R2), ± 3% Accuracy, 10,000 Ohm Thermistor (Type II), Setpoint 0 to 1K Ohms, Override, Blue/Red Sticker

$342.00
Product details
outside-4x-tt-rh
Item: 152119

RH TT Outside Air

Model: A/RH2-TTM1K-O-4X-4-POTTED

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Outside Air, NEMA 4X Enclosure, ± 2% Accuracy, Transmitter w/ 1,000 Ohm RTD, 4-20mA (Temp),  NIST Cert, Potted board

$582.00
Product details
Room2 RH Setpoint
Item: 140678

RH Room Thermistor

Model: A/RH2-CP-R2S-A03-C5

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

$423.00
Product details
duct eh rh
Item: 144953

RH Duct Thermistor

Model: A/RH1-20K-D-NIST

Relative Humidity, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), Duct, ±1% Accuracy, 20,000 Ohm Thermistor, Euro Enclosure, NIST Cert (Temp)

$850.00
Product details

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Learn About Our Applications

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

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Use ACI’s calculators for Span and Temperature Conversion.

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