External ground lugFigure 3-2:
A. External ground lug
3.4
Conduit seals
Conduit seals are required for meter installations in hazardous environments. Adhere to
safety instructions to protect personnel and equipment.
WARNING!
EXPLOSION HAZARD
To reduce the risk of an explosion or fire, conduit runs must have a sealing fitting connected
within 457.2 mm (18 inches) of the enclosure. Substitution of components may impair intrinsic
safety of the meter.
Failure to keep covers tight during operation may result in death or serious injury.
Electrical installation
48 Gas Ultrasonic Flow Meter