Physikalisch-technische bundesanstalt – KROHNE M10 Converter H250-H 54 Ex II2G EN User Manual
Page 18

Signal converter M10-EEx d – Supplementary instructions
11/2002
18
Physikalisch-Technische Bundesanstalt
PTB
Brunswick and Berlin
Schedule to EC Type Test Certificate PTB 01 ATEX 1154
General directions
Flammable products are allowed provided they do not form any potentially explosive
gas mixture inside the plant. When operated with flammable products, the measuring
sections shall be included in the routine plant pressure tests.
Before the Flameproof Enclosure of the electronics compartment is opened, a waiting
time of at least 8 minutes shall be allowed to elapse in respect of temperature classes
T5 and T6.
(18) Basic health and safety requirements
are satisfied by conformity with the afore-mentioned standards.
Certification Agency
Brunswick, 30st September 2002
for Explosion Protection
On behalf of
Official stamp
(signed)
of the PTB
Dr.-Ing. U. Klausmeyer
Regierungsdirektor
Page 4/4