Wall-mounted Toxic Gas Detective Alarm

Product summarize ¡º
GRI-85XX series single point wall-mounted toxic gas detective alarm is an apparatus which can continuously detect toxic and harmful gas concentration in operate environment .can widely used in factory ÿ¢office and warehouse and other site environment , online monitor the concentration of toxic gas .
The toxic 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 ¡º
 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 ÿ¢modifying the parameters of apparatus ;
 Have standard 4-20mA current signal and RS485 digital signal output.
Application ¡º
Petroleum and petrochemical industrial ÿ¢iron and steel ÿ¢medical ÿ¢fire rescue ÿ¢various types of industrial safety monitoring, detection of dangerous substances
Technical parameter ¡º
Product name Single point wall-mounted poisonous detective alarm Sensor name Optional (electrochemical sensor )
Product model GRI-85XX 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 Optional
Alarm error ÿ??% alarm set value Accuracy ÿ?%FS
Operate temperature -10ÿ?40ÿ?Resolution Optional
Operate humidity 0-85%RH(non- condensing ) Pre-heating time 1 Min
Pressure range 860-1060hpa Response time T90ÿ?0S¡§Majority ¡¨
Signal output 4-20mA or RS485 Use life 2 year (in the air )
Contact capacity 1A/120VAC or 1A/24VDC Zero drift ÿ??%FS/6h
Repeatability ÿ??%FS Span drift ÿ??%FS/6h