SKU: SENS-0339
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Renke RS-CH2O-N01-2-5P-2 Formaldehyde Sensor - RS485 Modbus, 0-5ppm, 10-30V DC

₹6,889.00 (Inclusive of all taxes)
Out of Stock

The Renke RS-CH2O-N01-2-5P-2 is an industrial-grade formaldehyde (CH2O) gas sensor module featuring an electrochemical sensing element and RS485 Modbus-RTU output. It provides precise, continuous monitoring of formaldehyde concentrations from 0 to 5 ppm, compatible with PLCs, SCADA systems, and industrial data acquisition units operating on a 10-30V DC wide voltage supply.

Features

  • Electrochemical CH2O sensor with 0-5 ppm measurement range and ±2% repeatability.
  • RS485 interface with standard Modbus-RTU protocol; address and baud rate configurable.
  • Wide 10-30V DC power input with low 0.12W power consumption.
  • Wall-mounted, waterproof housing designed for harsh environmental installations.
  • Optional internal temperature & humidity module for multi-parameter monitoring.

Out of stock

Description

This formaldehyde transmitter utilizes a high-performance electrochemical sensor known for its accuracy, fast response, and long-term stability, with an output resolution of 0.01 ppm. It is engineered for 24/7 online monitoring in demanding applications.

The module communicates via an RS485 bus supporting the Modbus-RTU protocol, allowing for network configurations with addresses and baud rates up to 2000 meters. Its robust, wall-mounted enclosure offers a high protection level suitable for industrial and commercial environments requiring continuous air quality assessment.

Key Features

  • High-precision electrochemical formaldehyde sensing element.
  • Standard Modbus-RTU communication protocol over RS485 interface.
  • Configurable Modbus address and selectable baud rates for network integration.
  • Low power consumption design for energy-efficient continuous operation.
  • Wide operating voltage range (10-30V DC) for flexible field power compatibility.
  • Robust, wall-mounted waterproof housing for durability in harsh conditions.
  • Optional integrated OLED display for local, real-time value reading.
  • Optional internal add-on module for simultaneous temperature and humidity sensing.

Applications

  • Continuous indoor air quality (IAQ) monitoring in smart homes, offices, and schools.
  • Integration into HVAC systems and air purifiers for automated formaldehyde control.
  • Industrial safety and environmental monitoring in manufacturing and processing facilities.
  • Long-term formaldehyde concentration logging in laboratories and testing chambers.
  • Building automation and green building certification compliance monitoring.

Technical Specifications

Manufacturer Part NumberRS-CH2O-N01-2-5P-2
Measurement Range0 - 5 ppm (Formaldehyde)
Output InterfaceRS485 (Modbus-RTU)
Supply Voltage10 - 30 V DC
Power Consumption0.12 W
Operating Temperature-40°C to +80°C
Operating Humidity0 - 100% RH (non-condensing)
Temperature Accuracy±0.5°C (with optional module)
Repeatability±2%
Communication DistanceUp to 2000 meters
HousingWall-mounted, Waterproof Case

Frequently Asked Questions

What is the communication protocol and interface of this formaldehyde sensor?

The sensor uses an RS485 serial interface with the standard Modbus-RTU communication protocol. The Modbus address and baud rate are configurable, allowing for easy integration into industrial networks and SCADA systems over distances up to 2000 meters.

What power supply does this module require, and what is its power consumption?

It operates on a wide-range 10 to 30V DC power supply, making it compatible with various industrial DC sources. The module is highly efficient, with a typical power consumption of only 0.12 Watts, suitable for continuous, energy-conscious operation.

Can this sensor measure other parameters besides formaldehyde?

The primary function is formaldehyde detection. However, an optional internal module can be added to the housing for simultaneous measurement of temperature and humidity, enabling multi-parameter environmental monitoring from a single unit.

Is the sensor suitable for outdoor or harsh environment installation?

Yes, the sensor is housed in a robust, wall-mounted, waterproof enclosure designed for durability. Its wide operating temperature range (-40°C to +80°C) and protection against environmental factors make it suitable for demanding industrial and commercial installations.

Package Includes

  • 1 x Renke RS-CH2O-N01-2-5P-2 Formaldehyde Sensor Module

Additional Information

Weight 0.4 kg
Dimensions 20 × 20 × 5 cm