Emerson 3412 User Manual
Daniel 3410 Series Ultrasonic Gas Flow Meter Installation Manual
Section 3: Electrical installation
3-9000-759 Rev D
June 2014
Conduit seals
45
Figure 3-2 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.
instructions to protect personnel and equipment.
A.
A. External ground lug
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.
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 serious injury or death.
EXPLOSION HAZARD
Substitution of components may impair the intrinsic safety and cause ignition of flammable
or combustible atmospheres. Disconnect power before servicing.
or combustible atmospheres. Disconnect power before servicing.
Failure to remove power and use Daniel approved components may cause serious injury.