KROHNE BM 70 A_P EN - Manual (Page 68)

Installation and operating instructions BM 70 A/P Page: 68 11/00
10.4 Radio approval
Gazette 129, 20.11.1989
TeleCommunications
Decree 1117/1989
General licence No. 353 for radio transmitting and receiving installations
The installation and operation of the radio transmitting and receiving system "BM 70 Level Radar"
and "BM 70-Ex Level Radar"manufactured by Firma KROHNE Messtechnik GmbH & Co. KG, 4100
Duisburg, for telecontrol purposes (level gauging in metal tanks) at a frequency in the 8.1 - 9.4 Ghz
frequency range, is hereby authorized pursuant to §§ 1 and 2 of the law concerning
teleCommunication systems as adopted in the official announcement dated 03.07.1989. The radio
systems may only be operated inside totally enclosed metal tanks.
1. Other teleCommunication systems and teleCommunication equipment serving the public sector,
including radio systems, must not suffer any interference.
2. Radio systems that are put onto the market under the above-mentioned type designations do not
individually require special approval if they are electrically and mechanically consistent with the
models examined and tested by the Central Approval Office for TeleCommunications (ZZF), and
bear the following certification mark of the Deutsche Bundespost: "Postsignum Z G490353X" and
the name of KROHNE Messtechnik GmbH & Co. KG, 4100 Duisburg, and the type designation
"BM 70 Level Radar" or "BM 70-Ex Level Radar".
3. The identification mark must be embossed or engraved on the housing or on a plate made of metal
or similarly strong material. The plate must be attached to the housing in such a way that it is
impossible to remove or can only be removed by the use of force. The identification mark must be
visible at all times from the outside.
4. The operator of such radio systems has no benefit of protection whatsoever against interference
from other teleCommunication systems or teleCommunication equipment (e.g. including radio
systems that are duly operated in the same frequency range).
5. The above-mentioned radio systems may not be linked to other teleCommunication systems or
teleCommunication equipment without special approval from the Deutsche Bundespost.
6. This "general licence" can at any time be revoked in toto - or in isolated cases can also be revoked
for individual radio systems by the relevant local licensing authority.
Additional notes for manufacturer and users
1. The manufacturer of these generally licensed radio systems has the responsibility towards the
Deutsche Bundespost to ensure that a reprint of this "general licence" accompanies each and
every instrument brought onto the market under the above-mentioned certification mark.
2. The licence to link these radio systems with other teleCommunication systems or
teleCommunication equipment is governed by the respective requirements (provisions concerning
private-sector cabled teleCommunication equipment, and the teleCommunication regulations).
Information in this respect is available from the appropriate teleCommunication offices
(acceptance and testing service).
281-3 A 3552-2/A
Bundesministerium für Post und Telekommunikation Gazette 23/95
1421
Decree 241/1995
Extension of the general licence No. 353 for radio transmitting and receiving installations
To Gazette Decree 1117/1989, page 2066
The above-mentioned general licence for radio installations issued to the company of KROHNE
Messtechnik GmbH & Co. KG, 47058 Duisburg, shall with immediate effect also include radio
installations that operate at a frequency in the frequency range of 8.1 - 9.9 GHz, for the same purpose
are placed by the company on the market and which are marked in accordance with the general
licence. At the same time, the purpose is extended to level measurements in concrete tanks
having a minimum wall thickness of 19 cm. The radio installations may only be operated in fully
enclosed tanks.
314-1A 3552-2/A