Alarming developments include three level trips

Safety control systems specialist Zellweger Analytics has added to its Sieger System 57 generation of gas detection equipment. Phase II inherits the modular concept of its parent with a four channel control card that accepts 4-20mA or catalytic bridge. Features include three levels of alarm, voting, update alarms, Time Weighted Average alarms and rate of […]

Safety control systems specialist Zellweger Analytics has added to its Sieger System 57 generation of gas detection equipment.

Phase II inherits the modular concept of its parent with a four channel control card that accepts 4-20mA or catalytic bridge.

Features include three levels of alarm, voting, update alarms, Time Weighted Average alarms and rate of rise.