SR-918-2 series Combustrible and CO Detector Vocal Alarm+LCD With Electromagnetic Valve
SR-918-2DSY/DVY detects CO and combustible gas with PPM display, voice prompt, 85dB siren, microprocessor control, optional 9V battery and valve linkage.
Main feature:
1.Human voice prompt
2.High reliable catalytic combustion method
3.Gas concentration displaying(PPM)
4.Power supply from AC 90V-240V or 9V rechargeable battery
5.Intelligent microprocessor control
6.Auto low battery warning
7.Alarm memory function
8.Auto detect sensor failure
Technical Specification:
| SR-918-2DSY | SR-918-2DVY | |||
|---|---|---|---|---|
| AV voltage | AC 90V-240V 50-60Hz | |||
| Battery voltage | 9V rechargeable battery (optional) | |||
| Drivable accessaries | electromagnetic valve(optional) | |||
| Working temperature | 0°C-50°C | |||
| Warm-up time | about 180S | |||
| Ambient humidity | 10%-95% | |||
| Sound level | 85dB / m | |||
| Warm-up time | about 180s | |||
| Carbon monoxide gas | 100PPM~999MM (±50PPM) | |||
| Combustible gas | 5LEL% ± 3 LEL | |||
| Alarm | vocal alert and siren alarm | |||

FAQ:
1: What gases can SR-918-2DSY/DVY detect?
A: It supports carbon monoxide gas detection from 100–999 PPM and combustible gas detection at 5% LEL ±3% LEL, suitable for gas safety monitoring projects.
2: What power supply options are available?
A: The detector supports AC 90V–240V, 50–60Hz power input, and can also be equipped with an optional 9V rechargeable battery.
3: Can this gas detector connect with external devices?
A: Yes. It supports optional electromagnetic valve linkage, helping project contractors build gas shut-off safety solutions.
4: Is the detector suitable for engineering installation?
A: Yes. With microprocessor control, sensor fault detection, low battery warning, and alarm memory, it is suitable for residential, commercial, and light industrial projects.
5: What alarm methods does the detector provide?
A: The detector provides human voice prompts and siren alarm with about 85dB sound level, helping users respond quickly during gas leakage risks.
