交直流可燃氣體探測器，報警后脈沖輸出
gasdetector
□nw2180b(addressable hang type)
□nw2180x(addressable ceiling type)
□nw8111b-ac(ac normal ype)
□nw8111b-acl(linking type)
□nw8111b-dc(dc normal type)
□nw8111b-dcl(linking type)
specifications:
detectconcenteation
100-10000ppmlpg and propane
100-10000ppmbutane
200-20000ppmmethane
200-20000ppmhydrogen
100-1000ppmalcoho
power:≤1.5w
responsetime:＜30s
audioalarm:＞90db（between 3m）
control andexport: contact dc12v 2a;
angry : the life-span is threeyears
temp. range: -10℃～45
humidityrange: 10%～95%
atmosphericpressure:86～106kpa
installation
1.theexertion of the type of the products consults the tablebelow:
nw2180 seriesare addressable type
nw8111seriesare stand alone type
ac: 220vac
dc: 12v-30vdc
l:link
2. alarm whensurveying li gas , want installation in overhead to smallerthan 1m; must install in leave ceiling smaller than 1m whilesurveying natural gas and coalgasification.
3.installation use one to specialize in thescrew by oneself at the alarm, twist, enter screw wall rise fillin, emerge about 1cm, and register for on not nailing alarm.pleaseinstall the sketch maps according to wiring of personnel tojoin.
note:
a. the alarmcan"t be put above the gas range.
b. the alarmcan"t hold the bathroom or moister place.
c.alarmforbid with paint, alcohol, room should isolate the alarmimmediately there are these two kinds of gas, in order to avoiddamage transducer.
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