Elster Instromet 6 Series, Manual, Page: 15 / 38

3 Application and Operation
UFM Series 6 Safety Instructions Page 15 of 38
3.3 Hazardous Situations

Read the instruction manual before operating device.

Never open the explosion proof box with the electronics inside
when meter is energized.

Do not open the enclosure if explosive atmosphere may be present.

Use the ultrasonic flow meter only for its intended application.
Never use it outside of its intended application or limits.

It is not allowed to perform repair and maintenance activities on an
operating flow meter. The meter is pressurized and is used for
dangerous media. Removing / exchanging parts during operation
can cause severe harm or even death.

The meter can be used for media within a specified range.

Take care of proper grounding of the meter.

To prevent water entering the electronics enclosure, firmly tighten
the box when closing. Make sure O-rings on the covers are
correctly fitted and in good condition.

Take care that no dirt / particles are present on the gasket on the
back compartment before closing.

Also:  Please see Annex C – Safety Prescriptions .
3.4 Storage and Transportation
The back and main compartments of the electronics enclosure may be
equipped with a silica gel bag in the explosion safe box. Before powering up,
take the silica gel bag out of its enclosure.
Always store or transport the meter with a silica gel bag in the back and main
compartments, to absorb excessive humidity. Replace the silica gel with a
fresh one before it is saturated. Check on a regular basis (e.g. monthly).