GRI-8509 Wall-mounted NH3 Detective Alarm
Product summarize ：
GRI-8509 Wall-mounted NH3 Detective Alarm is an apparatus which can continuously detect NH3 gas concentration in operate environment .can widely used in factory , office and warehouse and other site environment , online monitor the concentration of toxic gas .
The NH3 gas detective alarm is natural diffused gas detective way, adopt Switzerland Membrapor imported electrochemical sensor as the sensitive component, with high sensitivity and excellent repeatability; Highlight LED backlit plus LCD display screen real-time display the concentration of leakage gas , Exceed pre-set alarm point immediately start sound and light signals and replay control signals; international standard 4-20mA signal can directly connect DCS system of factory , connect RS485 digital signal and factory PC .
Product Feature ：
Imported NDIR infrared module , performance stable and reliable ;
Provide LCD display and sound and light alarm , Full-featured;
Intelligent design , zero , alarm setting , calibration is very convenient ;
Two alarm replays can output control signal for use to drive fans and other equipment;
Apparatus DC9-24V wide range power supply (use power adapter can connect AC 220V), can be use once connect the power supply ;
Metal shell, robust and reliable ;
Infrared remote control , more convenient for setting ã€modifying the parameters of apparatus ;
Have standard 4-20mA current signal and RS485 digital signal output.
Application:
Petroleum and petrochemical industrial, iron and steel, medical, fire rescue, various types of industrial safety monitoring, detection of dangerous substances
Technical parameter ：
Product name Single point wall-mounted NH3 detective alarm
Sensor name Optional (electrochemical sensor )
Product model GRI-8509
Sensor model Optional (Membrapor C series )
Input power supply 9-24VDC
Test object Optional (poisonous)
Current consumption 20-200mA
Test principle Electrochemical
Display way LCD display screen
Test way Diffused /Pipe type
Alarm way 2 levels sound and light alarm
Test range 0-20 ppm or customize
Alarm error ?±5% alarm set value
Accuracy ±5%FS
Operate temperature -10℃-40℃
Resolution 0.1ppm
Operate humidity 0-85%RH(non- condensing )
Pre-heating time 1 Min
Pressure range 860-1060hpa
Response time 60s
Signal output 4-20mA or RS485
Use life 2 year (in the air )
Contact capacity 1A/120VAC or 1A/24VDC
Zero drift ?±2%FS/6h
Repeatability ?±2%FS
Span drift ?±5%FS/6h
Note: above part of sensors parameter please standard as the latest technical manual of Membrapor corresponding sensor.
