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Ammonia NH3 Gas Detector Sensor Leak Detection 1000 ppm Toxic Gas Safety Monitoring Electrochemical Standard

China Ammonia NH3 Gas Detector Sensor Leak Detection 1000 ppm Toxic Gas Safety Monitoring Electrochemical Standard, Find details about China Membrapor, Ammonia Sensor from Ammonia NH3 Gas Detector Sensor Leak Detection 1000 ppm Toxic Gas Safety Monitoring Electrochemical Standard

Model NO.
NH3/SR-1000
Sensitivity
High
Certification
RoHS
Customized
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
41mm
Origin
China
HS Code
8542330000
Model NO.
NH3/SR-1000
Sensitivity
High
Certification
RoHS
Customized
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
41mm
Origin
China
HS Code
8542330000
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


 
Ammonia NH3 Gas Detector Sensor Leak Detection 1000 ppm Toxic Gas Safety Monitoring Electrochemical StandardAmmonia NH3 Gas Detector Sensor Leak Detection 1000 ppm Toxic Gas Safety Monitoring Electrochemical Standard
Sensor Performance Characteristics
Nominal Range0 - 1000 ppm
Maximum Overload2000 ppm
Expected Operation Life2 years in air
Output Signal with
25 ± 8 nA/ppm
Resolution4 ppm
Temperature Range- 10 °C to 40 °C
Pressure RangeAtmospheric 1)
Pressure CoefficientNo data
T90 Response Time with< 35 sec
Relative Humidity Range15 % to 90 % R.H. non-condensing
Typical Baseline Range (pure air, 20°C)
0 ppm to ± 16 ppm
Maximum Zero Shift (+20°C to +40°C)
-32 ppm
Long Term Output Drift< 5% per 6 months
Recommended Load Resistor10 Ohm
Bias VoltageNot allowed
Repeatability< 3 % of signal
Output Linearity< 5 % full scale
Humidity Effect 2)
< 16 ppm
1) no data for deviations
2) abrupt changes in rel. humidity causes a short term transient signal

Sensor Physical Characteristics
Weight~32 g
Position SensitivityNone
Storage LifeSix months in container
Recommended Storage Temperature5 °C - 20 °C
Warranty Period12 months from date of dispatch

Sensor Cross-sensitivity Data
Interfering Gas Concentration (ppm)Reading (ppm)
CO3000
H22000
SO2  3)20-7
H2S  3)207
NO  3)20-1
NO2  3)20-20
Cl220-55
CO22%0
SiH4100
3) Long term exposures and high concentrations may affect the performance characteristics.



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


Ammonia NH3 Gas Detector Sensor Leak Detection 1000 ppm Toxic Gas Safety Monitoring Electrochemical Standard
Module Parameters
Module typeGM-I2(3)-M/C/S-**-****/G/P/F/FL
Detected gasToxic gas
Detecting principleElectrochemistry
SamplingDiffusing  pump  flange  thread
Responding time30s~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 humidity0-95%RH(non-condensation)
Sensor operating temperature-20°C~50°C
Sensor humidity0-90%RH(non-condensation)
Signal outputTTL/4-20mA /RS485   (two or three wire)
Transmitting distance1000 meters(RS485)
Operating voltageDC 12-36V
Maximum power≤0.8W
Size80*48mm
Explosion proofIntrinsic safe
Connection cableRVVP3 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

 

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