Wall-mounted O2 Detective Alarm

Product Summarize ¡º
GRI-8503 series single point wall-mounted O2 detective alarm is an apparatus which can continuously detect O2 concentration in operate environment .can widely used in factory ÿ¢office and warehouse and other site environment , online monitor the concentration of O2 .
The O2 detective alarm is natural diffused gas detective way, adopt Germany IT 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 ÿ¢chemical ÿ¢gas ÿ¢metallurgyÿ¢electricity powerÿ¢municipal services ÿ¢construction safety detection of traffic tunnel and other safety monitoring of varies of industrial places
Technical parameter ¡º
Product name Single point wall-mounted O2 detective alarm Sensor name Optional (electrochemical sensor )
Product model GRI-8503 Sensor model Optional (Germany IT)
Input power supply 9-24VDC Test object O2
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?.1%
Operate temperature -20ÿ?40ÿ?Resolution Optional
Operate humidity 0-90%RH Pre-heating time Optional
Pressure range 4-20mA/RS485 Response time T90ÿ?2S¡§majority ¡¨
Signal output 100m/1000m Use life 2-10year (in the air )
Contact capacity 1A/120VAC or 1A/24VDC Repeatability ÿ??%FS