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ACI A/RH3-D-4X : Duct Relative Humidity Sensor, 3% Accuracy, Selectable RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), NEMA 4X Duct Enclosure, Made in USA

ACI

MSRP: $487.00
$194.91
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SKU:
A/RH3-D-4X
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ACI A/RH3-D-4X : Duct Relative Humidity Sensor, 3% Accuracy, RH Outputs: 0-5, 0-10 VDC & 4-20mA (Default), NEMA 4X Duct Enclosure, Made in USA

Maintaining optimal humidity levels is crucial for efficient operation, occupant comfort, and equipment protection in various applications. The ACI A/RH3-D-4X Duct Sensor is specifically designed to accurately monitor and control humidity in ductwork systems, offering a reliable and versatile solution for diverse needs.

  • Highly accurate and reliable: This sensor boasts ±1% accuracy and utilizes a durable, multi-layer sensing element for resistance to dust, dirt, and common environmental chemicals.
  • Flexible and easy to use: The A/RH3-D-4X features selectable output signals, AC/DC power compatibility, and built-in self-test functionality. Its weatherproof enclosure and conformal coated circuit boards ensure reliable operation in harsh environments.
  • Wide range of applications: This versatile sensor is suitable for humidification/dehumidification, supply/discharge/return air monitoring, economizers, clean rooms, data centers, process control, and various building types like schools, hospitals, and offices.

Specifications

RH Supply Voltage (Reverse Polarity Protected):

4-20 mA: 250 Ohm Load: 15 - 40 VDC / 18 - 28 VAC | 500 Ohm Load: 18 - 40 VDC / 18 - 28 VAC
0-5 VDC: 12 - 40 VDC / 18 - 28 VAC
0-10 VDC: 18 - 40 VDC / 18 - 28 VAC

RH Output Signal: 2-wire: 4 - 20 mA (Factory Default) | 3-wire: 0-5 or 0-10 VDC and 4 - 20 mA (Field Selectable)
RH Measurement Range: 0-100%
Operating RH Range: 0 to 95% RH, non-condensing
RH Stability | Repeatability | Sensitivity: Less than 2% drift / 5 years | 0.5% RH | 0.1% RH

 

Datasheets

pdf logo ACI RH Duct Relative Humidity Data Sheet
pdf logo ACI Duct Relative Humidity Installation
Sensor Type:
Duct
Humidity Element:
3%
Output Signal:
4-20mA, 0-5 VDC, or 0-10 VDC
Temperature Element:
None
CO2 Element:
None
Display:
No Display
VOC Element:
None
Probe Length:
8
Enclosure:
NEMA 4X Enclosure
Supported Protocols:
None