In the event of a fire in a building or other structure, such as an oil rig, Health and Safety regulations require that immediate action be taken to prevent the ingress of smoke and fume into air-conditioning and ventilation ducts. The Model 125 explosion-proof smoke monitor is specifically designed to be mounted in ventilation ducts and to comply with strict regulations that require rapid activation of smoke-damping equipment to minimise risk to human life. The equipment is constructed and tested to EExd IIB T5 standards enabling it to operate in hazardous areas..
- high accuracy & stability maintained over long periods
- modular construction ensures simple installation & low cable requirements
- rugged units, fully sealed to IP65, designed for very high availability with minimal maintenance requirements
- designed to withstand the harshest environments
|Measuring units||0-100% Opacity|
|Measurement Technique||single-pass transmissometer|
|Operating Temperature||-5oC to +40oC|
|Power requirements||18 to 35V|
|Analogue Output||4 to 20 mA current loop output|
|Alarm Conditions||3300Ω – normal
open circuit – fault
660-820Ω – alarm
|Serial Data||RS232 port for CODEL commissioning|
|Model 125 Datasheet||400kb|
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