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ACI A/RH2-20K-SP-010 : Wall Plate Relative Humidity, 2% Accuracy, RH Outputs: 0-5 & 0-10 VDC (Default), 20K Ohm Thermistor, Wall Plate 304SS, Made in USA

ACI

MSRP: $411.00
$156.24
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SKU:
A/RH2-20K-SP-010
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ACI A/RH2-20K-SP-010 : Wall Plate Relative Humidity, 2% Accuracy, RH Outputs: 0-5 & 0-10 VDC (Default), 20K Ohm Thermistor, Wall Plate 304SS, Made in USA

The ACI Relative Humidity with Thermistor Wall Plate Series combines a thermoset polymer capacitive sensing element with a factory-applied hygroscopic filter to provide accurate humidity measurements. The hygroscopic filter enhances the sensor's resistance to moisture, dust, and chemicals, ensuring greater long-term reliability.

These wall plate transmitters deliver a proportional analog voltage output signal, which can be integrated into various systems. They feature integral DIP switches that allow for field selection of the appropriate output signal and supply voltage, ensuring compatibility with the specific requirements of the application.

To verify proper functionality and installation, each unit includes 0%, 50%, and 100% test options. These options enable the user to test the transmitter and ensure it is working correctly.

Field calibration can be performed using the increment and decrement calibration DIP switches, eliminating the need for sensor replacement. This calibration method offers increased flexibility and ensures long-term reliability without the hassle of replacing the sensing element.

The RH Stainless Plate transmitters come with an attractive brushed finish stainless steel single gang wall mounting plate. They are designed to mount over a single gang junction box, providing a convenient and aesthetically pleasing installation.

The PCBs of the transmitters are conformally coated, offering additional protection from moisture and contaminants. This coating enhances their durability and reliability in various environments.

For applications where wash-down environments are present, the RH Stainless Plate transmitters include a temporary plastic sensor cover. This cover provides protection for the RH sensor from chemicals used during the wash-down process, maintaining accurate and reliable measurements.

The ACI Relative Humidity with Thermistor Wall Plate Series finds applications in various settings, including:

  • Pharmaceutical: These transmitters are suitable for humidity monitoring and control in pharmaceutical manufacturing facilities, ensuring optimal conditions for production and storage.
  • Hospitals and Operating Rooms: The RH Stainless Plate transmitters are used in healthcare environments to monitor and control humidity levels for patient comfort and infection control.
  • Vivariums: These transmitters are utilized in animal research facilities to maintain proper humidity levels for the health and well-being of the research subjects.
  • Clean Rooms: The RH Stainless Plate transmitters play a crucial role in maintaining precise humidity levels in clean room environments, where contamination control is essential.
  • Process Control: Industries relying on specific humidity conditions in their processes, such as manufacturing and chemical production, benefit from these transmitters for accurate monitoring and control.
  • Wash Down Environments and Stability Chambers: The transmitters are suitable for applications in wash-down environments and stability chambers, providing reliable humidity measurements despite exposure to moisture and chemicals.

Specifications

RH Supply Voltage (Reverse Polarity Protected):

0-5 VDC: 12 - 40 VDC / 18 - 28 VAC 0-10 VDC: 18 - 40 VDC / 18 - 28 VAC

RH Output Signal:

3-wire: 0-5 or 0-10 VDC

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
Nominal Thermistor Resistive Output @ 77°F (25°C) (Lead Wire Colors) Non-Linear NTC (Negative Temperature Coefficient):

RHx-20K Series: 20KΩ (Brown/Blue)

Datasheets

pdf logo ACI RH Wall Plate Relative Humidity/Temp Data Sheet
pdf logo ACI RH Wall Plate Relative Humidity/Temp Installation Sheet
Sensor Type:
Wall Plate
Humidity Element:
2%
Humidity Ouput:
0-10 VDC
Temperature Element:
20K
CO2 Element:
None
Display:
No Display
Supported Protocols:
None
Setpoint:
No Setpoint
Override:
No Override
Material:
Stainless Steel