Input signal

 Switch capacity      ·no source of potentially switch（normal open or close）
 level        ·sound control signal， high level ≥4V

Output signal

 Switching output · output a pair of no source of normal open contact switch（close when alarm），contact action synchronized
             alarm sound
           ·AC level signal output＞4V
           ·no source of switching capacity（normal open：close when alarm）
           ·contact consumption ：3A/24V DC；0.7A/110V AC(resistant load)

Characteristics

 Measuring channel    · single channel
 sound damping test· self-prepared sound damping button and access sound damping test button
 display mode   ·working state display of slope light tube ·working state display of plane light tube

Using environment

 Environment temperature    ·0～50℃
 relative humidity    ·≤85% RH  no corrosive gas
 supply power    ·DC24V±5%  input resistance≤50Ω
power consumption    ·alarm 1.8W, not alarm0.1W