Hanwei Electronics Co., Ltd www.hwsensor.com
[email protected] Fax: 86-371-67169090 Tel: 86-37167169070/80
1
Precautions:
To avoid personal safety injury, Instrument damage and potential dangerous accident; do
not use the product before reading this manual.
1. Description
GD gas alarm is a kind of wall-mounted household gas alarm designed to detect the
concentration of combustible and toxic gases or vapors using high quality air-sensitive
component and manufactured with advanced technology. It provides visual and audible
signals when the gas concentration reaches the presetting range, and reminds you to take
prompt favorable action.
2 Specifications
Model
□
GD401
□
GD601
Operating Power
AC220V/110V±15%/DC24V/DC12V ≤3W
Operating Conditions
Temperature: 0
℃～
55
℃
Humidity
：＜
95%
Response time
≤30s
（
GD701≤2.5min
）
resume automatically
Gas Sampling
Diffuse naturally
Alarm Level
GD401
：
for natural gas 10%LEL
GD601
：
for propane 10%LEL
Alarm Method
Visual and audible
Sound level
≥80dB
Weight
270g
Dimension
l×b×h,mm:126×72×47.5
Optional function
□
Gas shut off valve
□
relay output
Note: the power and the alarming level can be specified.