User Manual

5 Installation and operating instructions BM 702 (07/00)

2.2 Mechanical installation

Hazardous-duty systems:

• The BM 702 Ex is certified in conformity with European Standard

for use in Zone 0, 1

and 2 hazardous locations (dependent on version).

• Attention is drawn to the data and information given on the

nameplate of the

converter, the nameplate of the flange and the specifications in the

approval

certificates.

Safety:

• Check material compatibility of antenna, extension, flange, gaskets, and PP or PTFE

(used in all versions) with the product! See also section 8 "Type code"!

Mounting on the tank nozzle

a) Devices with horn antenna:

The antenna should project out of the nozzle. If necessary, use an antenna extension.

Exception: in case of a symmetrical tank fitting.

Tank nozzle

Antenna

extension

Tank nozzle

b) Wave-Stick

Note the requirements imposed on nozzle diameter and nozzle length:

min. 50 mm

min. 200 mm

Tank nozzle

e.g. DN50

dia. 40...55 mm

Version for

still wells