Elster Instromet 6 Series, Manual

Page: 35 / 38

Annex C – Safety Prescriptions
UFM Series 6 Safety Instructions Page 35 of 38

(Pr) point adapter (at both ends) and the blind plug shall be
replaced with appropriate sealant for the application. Hold Pr point
adapter with 30mm wrench while removing blind plug or fitting new
connections. ALWAYS CHECK NEWLY MADE CONNECTIONS
FOR LEAKS.

IT IS NOT ALLOWED TO DO A HYDROTEST WHEN
TRANSDUCERS ARE INSTALLED ON THE ULTRASONIC FLOW
METER. Water can be trapped between the transducers and the
spoolpiece. It is very hard to remove this afterwards. This water can
cause the ultrasonic flow meter to operate incorrectly.

Installation, maintenance and replacement may only be carried out
by qualified personnel under safe conditions.

Always use a gas detector during servicing of the meter!

Obey the rules and regulations that apply to hazardous area
operations and those with respect to custody transfer regulations
(sealing).

Pressurized parts involved. When executing any work, comply with
the regulations that are specifically stipulated applicable to
pressurized installations in a possible explosive danger area (as the
case may be).

Explosion proof box with the electronics inside may never be
opened when meter is energized.

Do not open the enclosure when explosive atmosphere may be
present (see label & manual).