Sell standalone ammonia(NH3) alarm detector

Description

Standalone oxygen alarm detector is a fixed type detector that can be used continuously in operation environment to detect the density of combustion gas, oxygen, or poisonous gas. The alarm detector adopts natural diffusion to detect gas, and it use the imported electric chemical sensor (catalytic combustion type for flammable gas) which has excellent sensibility and receptivity; big LCD displays the density of the leakage gas real time and if the density exceed the preset alarm point it will start the acoustic-optical alarm or the exhaust system;  ***0mA can be directly connected into the factory DCS system, RS***5 digital signal is connected with factory’s principle computer; the device adopts embedded micro controlling technique, the Chinese menu is easy to operate and the function is complete and reliable. The performance of the whole device is among the best ones in China.
Characteristics:
the device adopts advanced *6 digit ultra-low power consumption embedded micro controller.
**8**4 dot matrix ultra-large liquid-crystal display
user can set the alarm point by themselves
Displaying the time of fist alarm
real-time clock
modularized sensor can be changed
the automatic correcting function can decrease the measuring error.
***0 pieces of alarm record can be stored automatically
standby battery can work more than **0 hours in the condition that do not work (optional)
standard signal of ***0mA can be directly connected into the factory DCS system
RS***5 digital signal is connected with factory’s principle computer
Detect scope?****0ppm
Accuracy:≤±3% F.S
Responding period: T*0<*0s
?Apply to such gas as: flammable gas, toxic gas, ammonia NH3
?Error show: ≤± 3% F.S
? Affecting time: T*0<*0s
?Displaying Method?**8**4 dot matrix ultra-large liquid-crystal display for data and system condition
? Alarm: wide-angle LED, **0dB buzzer increases the frequency with the increasing of the density, treble vibrating alarm
? Alarm point: class one, user can set it by themselves
   Alarm of class two: users set it by themselves
?Alarming output: two relay output?capacity AC **0V 2A
?Signal output: International standard: ***0mmA signal which can be directly connected into factory’s DCS system
 RS**5 digital signal can be connected into the factory’s principle computer.
? Operation condition?**0? ?+ *0 ??Humidity?*5%RH without moisture condescension
? Working voltage?AC **0V *0Hz
?The standby battery can work more than **0 hours continuously under the non-alarming condition, and can work 8 hours for flammable gas(optional)
? Defending class?IP*6