Electrochemical Formaldehyde CH2O Gas Detector Methanal Incineration Toxic Gas Monitoring

China Electrochemical Formaldehyde CH2O Gas Detector Methanal Incineration Toxic Gas Monitoring, Find details about China Membrapor, Formaldehyde from Electrochemical Formaldehyde CH2O Gas Detector Methanal Incineration Toxic Gas Monitoring

Basic Info.

Model NO.

CH2O/M(C)(S)-range

Sensitivity

High

Certification

RoHS

Customized

Output

TTL/4-20mA/RS485

Transmitter Board

Integrated/Seperated

Wire

Two or Three Wire

Detecting Range

Selectable

After Sale Service

Yes

Trademark

FAD

Transport Package

Transparent Plastic Box

Specification

20-41mm

Origin

China

HS Code

8542330000

Model NO.

CH2O/M(C)(S)-range

Sensitivity

High

Certification

RoHS

Customized

Output

TTL/4-20mA/RS485

Transmitter Board

Integrated/Seperated

Wire

Two or Three Wire

Detecting Range

Selectable

After Sale Service

Yes

Trademark

FAD

Transport Package

Transparent Plastic Box

Specification

20-41mm

Origin

China

HS Code

8542330000

Product Desciption

Gas Module Introduction
FAD gas module with two/three wire TTL/0-20mA/RS485 output, integrates toxic gas sensor + transmitter board. Adopting imported advanced electrochemical gas sensors, it has features of high accuracy, long lifetime, high stability and high anti-interference. The module is designed to prevent circuit reversed connection, high voltage, high current and lightning

Gas Module Feature

- Long lifetime imported advanced electrochemical sensors

- High accuracy op ams, power supply IC, stable and sensitive

- Detect low or high concentration toxic gases precisely

- High anti-interference ability

- Over range protection, reversed polarity protection and lightning protection

- Low power consumption with a standard 4-20mA two/three-wire signal output

- Interface: pump, diffusing, flange, flange thread types

- 12-36VDC operating voltage

Electrochemical Formaldehyde CH2O Gas Detector Methanal Incineration Toxic Gas Monitoring

Sensor Detecting Range Selection

Detecting range (ppm)/Size	Miniature	Compact	Slim	Standard
0-10	CH2O/M-10 CH2O/M-10-2E	CH2O/C-10		CH2O/C-10
0-50	CH2O/M-50
0-1000	CH2O/M-1000	CH2O/C-1000

Sensor Performance Characteristics(take CH2O/C-10 as an example)

Operation Principle	3-Electrode Electrochemical
Nominal Range	0 - 10 ppm
Maximum Overload	50 ppm
Expected Operation Life	3 years in air
Output Signal with	4600 ± 1200 nA/ppm
Resolution	<0.01 ppm
Temperature Range	- 40 °C to 50 °C
Pressure Range	Atmospheric ±10%
Pressure Coefficient	No data
T60 Response Time with	< 40 sec
Relative Humidity Range	15 % to 90 % R.H. non-condensing
Typical Baseline Range (pure air, 20°C)	-0.1 ppm to 0.02 ppm
Maximum Zero Shift (+20°C to +40°C)	ND
Long Term Output Drift	< 2% per month
Recommended Load Resistor	10 Ohm
Bias Voltage	Not allowed
Repeatability	< 2% of signal
Output Linearity	Linear
Humidity Effect 2)	Abrupt changes in humidity

Performance data conditions: 20 °C, 50% RH, 1013 mbar

Electrochemical Formaldehyde CH2O Gas Detector Methanal Incineration Toxic Gas Monitoring

Module Parameters

Module type	GM-I2(3)-M/C/S--**/G/P/F/FL
Detected gas	Toxic gas
Detecting principle	Electrochemistry
Sampling	Diffusing pump flange thread
Responding time	30s~40s(of the sensor)
Module accuracy	≤±3%FS(actual concentration, higher accuracy depends on specified sensors)
Module repeatability	≤±2% FS
Module linear error	≤±2% FS
Module zero temperature drift	≤±2% (FS/year)
Module operating temperature	-40~80°C
Module humidity	0-95%RH(non-condensation)
Sensor operating temperature	-20°C~50°C
Sensor humidity	0-90%RH(non-condensation)
Signal output	TTL/4-20mA /RS485 (two or three wire)
Transmitting distance	1000 meters(RS485)
Operating voltage	DC 12-36V
Maximum power	≤0.8W
Size	80*48mm
Explosion proof	Intrinsic safe
Connection cable	RVVP3 x 1.5mm²

Module applications
Petroleum, petrochemical, metallurgy, chemical, electricity, telecom, gas, mining, pharmacy, municipal wastewater treatment, indoor environment, atmospheric environmental protection, transit equipment, transportation facilities, tunnel safety and underground parking, leak detection, safety and environmental control