A/RH5-CP-R2O Humidity and Temperature Sensor - Equivalent & Substitute Parts

Part Overview

The A/RH5-CP-R2O is an active product humidity and temperature sensor manufactured by Automation Components, Inc. This chassis-mounted module provides dual analog outputs (current and voltage) for relative humidity measurement across the 0 to 100% RH range with ±5% RH accuracy. The sensor operates from 18–28VAC or 12–40VDC supply voltage and delivers a 20-second response time, making it suitable for HVAC systems, environmental monitoring, and industrial process control applications. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and application-specific packaging or operating temperature requirements.

Key Parameters

Parameter	Value
Manufacturer Part Number	A/RH5-CP-R2O
Manufacturer	Automation Components, Inc.
Series	A/RHx-CP
Product Status	Active
Sensor Type	Humidity, Temperature
Humidity Range	0 ~ 100% RH
Output Type	Analog Current, Analog Voltage
Output Signals	0V ~ 5V, 0V ~ 10V, 4mA ~ 20mA
Accuracy	±5% RH
Response Time	20 s
Voltage Supply	18 ~ 28VAC, 12 ~ 40VDC
Mounting Type	Chassis Mount
Operating Temperature	1.5°C ~ 60°C
Package / Case	Module
Packaging	–
Current Inventory	791 Pcs New Original In Stock

Substitute Part Grouping Explanation

Substitute parts for the A/RH5-CP-R2O are identified based on strict electrical and mechanical parameter equivalence. All substitute candidates maintain identical sensor type (Humidity, Temperature), humidity measurement range (0–100% RH), output type (Analog Current and Analog Voltage), output signal levels (0V–5V, 0V–10V, 4mA–20mA), accuracy (±5% RH), response time (20 s), supply voltage range (18–28VAC, 12–40VDC), and mounting type (Chassis Mount).

Substitutes are grouped into two categories:

Category 1: Series A/RHx-CP (Same Series) Parts A/RH5-CP-D, A/RH5-CP-R, and A/RH5-CP-R2 share the same series designation and maintain all core electrical parameters. Differences exist only in operating temperature range and packaging format.

Category 2: Series A/RHx-AN (Alternative Series) Parts A/RH5-AN-D, A/RH5-AN-R, A/RH5-AN-R2, A/RH5-AN-R2O, and A/RH5-AN-RSO-A03-A1 belong to the A/RHx-AN series and provide identical electrical performance and sensor specifications. These alternatives differ in packaging and, in some cases, operating temperature range.

All substitute parts carry Active product status and are manufactured by Automation Components, Inc.

Parameter Comparison

Part Number	Series	Humidity Range	Output Type	Accuracy	Response Time	Supply Voltage	Operating Temperature	Mounting	Packaging	Inventory
A/RH5-CP-R2O	A/RHx-CP	0 ~ 100% RH	Analog Current, Analog Voltage	±5% RH	20 s	18 ~ 28VAC, 12 ~ 40VDC	1.5°C ~ 60°C	Chassis Mount	–	791 Pcs
A/RH5-CP-D	–	0 ~ 100% RH	Analog Current, Analog Voltage	±5% RH	20 s	18 ~ 28VAC, 12 ~ 40VDC	-40°C ~ 60°C	Chassis Mount	Tape & Box (TB)	801 Pcs
A/RH5-CP-R	A/RHx-CP	0 ~ 100% RH	Analog Current, Analog Voltage	±5% RH	20 s	18 ~ 28VAC, 12 ~ 40VDC	1.5°C ~ 60°C	Chassis Mount	Tape & Box (TB)	768 Pcs
A/RH5-CP-R2	A/RHx-CP	0 ~ 100% RH	Analog Current, Analog Voltage	±5% RH	20 s	18 ~ 28VAC, 12 ~ 40VDC	1.5°C ~ 60°C	Chassis Mount	Tape & Box (TB)	840 Pcs
A/RH5-AN-D	–	0 ~ 100% RH	Analog Current, Analog Voltage	±5% RH	20 s	18 ~ 28VAC, 12 ~ 40VDC	-40°C ~ 60°C	Chassis Mount	Tape & Box (TB)	800 Pcs
A/RH5-AN-R	A/RHx-AN	0 ~ 100% RH	Analog Current, Analog Voltage	±5% RH	20 s	18 ~ 28VAC, 12 ~ 40VDC	1.5°C ~ 60°C	Chassis Mount	Tape & Box (TB)	750 Pcs
A/RH5-AN-R2	A/RHx-AN	0 ~ 100% RH	Analog Current, Analog Voltage	±5% RH	20 s	18 ~ 28VAC, 12 ~ 40VDC	1.5°C ~ 60°C	Chassis Mount	Tape & Box (TB)	869 Pcs
A/RH5-AN-R2O	A/RHx-AN	0 ~ 100% RH	Analog Current, Analog Voltage	±5% RH	20 s	18 ~ 28VAC, 12 ~ 40VDC	1.5°C ~ 60°C	Chassis Mount	Tape & Box (TB)	1084 Pcs
A/RH5-AN-RSO-A03-A1	A/RHx-AN	0 ~ 100% RH	Analog Current, Analog Voltage	±5% RH	20 s	18 ~ 28VAC, 12 ~ 40VDC	1.5°C ~ 60°C	Chassis Mount	Tape & Box (TB)	1076 Pcs

Engineering Selection Recommendations

All substitute parts listed are Active products from Automation Components, Inc., ensuring current manufacturing support and supply chain availability. Selection among equivalent parts should be based on the following criteria:

Operating Temperature Requirement: If the application requires extended low-temperature operation below 1.5°C, select A/RH5-CP-D or A/RH5-AN-D, both rated to -40°C. For standard applications within 1.5°C to 60°C, all remaining substitutes are suitable.

Series Preference: Applications requiring series consistency with existing A/RHx-CP installations should prioritize A/RH5-CP-R or A/RH5-CP-R2. Applications compatible with the A/RHx-AN series may select from A/RH5-AN-R, A/RH5-AN-R2, A/RH5-AN-R2O, or A/RH5-AN-RSO-A03-A1.

Packaging Format: The main part A/RH5-CP-R2O is supplied without specified packaging. All substitute parts are available in Tape & Box (TB) format, which is standard for component distribution and automated assembly processes.

Inventory Availability: A/RH5-AN-R2O and A/RH5-AN-RSO-A03-A1 offer the highest current stock levels (1084 and 1076 units respectively), supporting rapid procurement. A/RH5-AN-R offers the lowest inventory (750 units).

Frequently Asked Questions (FAQ)

Q: Can A/RH5-CP-R2O be directly replaced with A/RH5-AN-R2O?

A: Yes. Both parts maintain identical sensor type, humidity range (0–100% RH), output type (Analog Current and Analog Voltage), accuracy (±5% RH), response time (20 s), supply voltage (18–28VAC, 12–40VDC), and operating temperature (1.5°C–60°C). The primary difference is series designation (A/RHx-CP versus A/RHx-AN) and packaging format (unspecified versus Tape & Box). Electrical and functional compatibility is complete.

Q: What is the difference between A/RH5-CP-D and A/RH5-CP-R2O?

A: Both parts are electrically equivalent with identical sensor specifications and output characteristics. The key difference is operating temperature range: A/RH5-CP-D operates from -40°C to 60°C, while A/RH5-CP-R2O operates from 1.5°C to 60°C. Select A/RH5-CP-D for applications requiring extended low-temperature performance. A/RH5-CP-D is also supplied in Tape & Box packaging.

Q: Are all substitute parts manufactured by the same company?

A: Yes. All substitute parts listed are manufactured by Automation Components, Inc., the same manufacturer as the main part A/RH5-CP-R2O. All parts carry Active product status.

Q: Does packaging format affect electrical performance?

A: No. Packaging format (Tape & Box versus unspecified) does not affect electrical performance, sensor accuracy, or output characteristics. Packaging selection is driven by supply chain requirements, automated assembly compatibility, and storage conditions.

Q: Which substitute part has the highest inventory availability?

A: A/RH5-AN-R2O has the highest current inventory with 1084 units in stock, followed by A/RH5-AN-RSO-A03-A1 with 1076 units. Both are suitable for immediate procurement.

Q: Can I use A/RH5-AN-RSO-A03-A1 in place of A/RH5-CP-R2O?

A: Yes. A/RH5-AN-RSO-A03-A1 maintains all core electrical and functional parameters required for direct substitution. The part number suffix indicates a specific configuration variant within the A/RHx-AN series, but sensor performance and output specifications remain identical to the main part.

Q: What determines whether a part qualifies as a substitute?

A: Substitution eligibility is determined by equivalence in sensor type, humidity measurement range, output type and signal levels, accuracy, response time, supply voltage range, and mounting type. All listed substitutes meet these criteria. Operating temperature range and packaging format may differ but do not prevent substitution in applications within the overlapping temperature range.

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