Product Description

GRI****9 Wall-mounted NH3 Detective Alarm

Product summarize ：
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���� GRI****9 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 ***0mA signal can directly connect DCS system of factory ,connect RS**5 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 DC***4V wide range power supply (use power adapter can connect AC **0V),can be��������� use once connect the power supply ;
�Metal shell, robust and reliable ;
�Infrared remote control ,more convenient for setting 、modifying the parameters of apparatus ;
�Have standard ***0mA current signal and RS**5 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****9�
Sensor model �Optional (Membrapor C series )
Input power supply �***4VDC�
Test object� �Optional (poisonous)
Current consumption �*****0mA�
Test principle �Electrochemical
Display way �LCD display screen �
Test way �Diffused /Pipe type
Alarm way �2 levels sound and light alarm �
Test range �***0 ppm or customize�
Alarm error �?�5% alarm set value �
Accuracy ��5%FS
Operate temperature �**0℃**0℃�
Resolution �0.1ppm
Operate humidity �***5%RH(non- condensing )�
Pre-heating time �1 Min
Pressure range �*******0hpa�
Response time �*0s
Signal output �***0mA or RS**5�
Use life �2 year (in the air )
Contact capacity �1A/**0VAC or 1A/*4VDC�
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.
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