Elster Instromet Positive Displacement Gas Meters
Elster Instromet rotary gas meters are volume measuring devices for gaseous media and operate according to the positive displacement principle.
103 – Pulse Chatterbox
Intrinsically Safe Opto-Isolation Unit
The Chatterbox-e unit provides the necessary safety isolation between equipment generating pulses in the hazardous area and non-intrinsically safe equipment located in the safe area. The unit must be installed in the safe area and is suitable for connection to equipment in hazardous areas Zone 0, 1 or 2.
Intrinsic Safety : BASEEFA 05 ATEX 0429 II(1) G [EEx ia] IIC
Output : 4 x channels (220ms pulse, current sinking output capable of accepting up to 20V, 130mA)
Power Supply : Lithium cells giving an estimated life in excess of 10 years
Enclosure : Weatherproof aluminium enclosure IP66 (equivalent to: NEMA 4x) rated