Alarm

Multiplex Gas Detector,gas detector,carbon monoxide detector,
detect:CO,Natural gas,LPG,methane,smoke detector,combustible alarm
Model No.AM-201V

Product Description
Model:AK-200FC/C1
Sensor: Semiconductor
Gas detected: CO
Size: 115mm*70mm*40mm

Name: 99 wireless zones LED display home alarm system
Model: PST-TEL211

The K8 GSM 3G Community Alarm is an innovation security solution for community, commercial building, Commercial Street, and Residential areas.

A Top Safety and Protection Solution In The Worldwide!

can detect both LPG and CO gas,every one gas leaked,product will alarm

NET-THR-HV is a multi-temperature NET Data Logger.
It uploads data temperature logger over Network.

Gas leak detection is the detection of gas leaks with apparatus like catalytic/infrared point sensors and IR open path sensors.

Wireless Independent Carbon Monoxide Detector With Shut Off Valve Solenoid Valve

3W LCD Display Fire Gas Detector, CO Detector with High Reliability, Dual Sensor Design Fire and Gas Detector

NTC Thermal Sensor
4 Digits Temperature LED Display
Auto Reset / Power-off Reset Optional
Can Set Maximum or Minimum Alarm

ixed and rate of rise heat detectors with high stability,anti-EMI,with LED visible in 360 degree direction, UL and EN approval.

Fire Alarm Control Panel for Conventional Fire Alarm System, 2-18 Zones

* Built-in GSM SMS module
* Schedule Report of analog or alarm status via SMS
* Low or High alert levels programmable by user

detect coal gas,natural gas, petroleum liquid gas.
with CE&EN50194 certificate

Gas leak detection is the detection of gas leaks with apparatus like catalytic/infrared point sensors and IR open path sensors.

Smoke detector, Smoke alarm,Electrical siren, Fire alarm, Piezo alarm, Outdoor Siren, Backup alarm

Specification:
1.Working voltage: 220V AC /24V DC
2.Max. current: 5A 220V / 8A 24V DC
3.Contact resistance: <=0.10Ω

Product Description
Model: AK-200FC/H1
Gas detected: Gas, LPG, H2

nina(at)alertech(dot)hk
9V ordinary alkaline backup battery or 9V chargable back up battery optional