S
AFETY
,
PROTECTION
,
COMPATIBILITY
AND
EXPLOSION
PROOF
The level meter ULM–70 is equipped with protection against reverse polarity and output current
overload.
Protection against dangerous contact is secured by low safety voltage that complies with
EN 33 2000-4-41.
Electromagnetic compatibility according to EN 55022/B, EN 61326/Z1 and EN 61000-4-2 to 6.
Explosion proof of ULM–70Xi type complies with the following standards: EN 60079-0 : 2007;
EN 60079-11 : 2007 ; EN 60079-26 : 2007 and examined by FTZÚ-AO 210 Ostrava - Radvanice
certi
fi
cate No.: FTZÚ 09 ATEX 0277X.
U
SE
,
MANIPULATION
AND
MAINTENANCE
The level meter does not require any personnel for its operation. Follow-up displaying device is
used to inform the technological entity operating personnel on the measured substance level
height during the operation.
Maintenance of this equipment consists in veri
fi
cation of integrity of the level meter and of the
supply cable. Depending on the character of the substance measured, we recommend to verify at
least once per year the clarity of the ultrasound transducer emitting
fi
eld and to clean it, respec-
tively. In case any visible defects are discovered, the manufacturer or reseller of this equipment
must be contacted immediately.
It is forbidden to perform any modi
fi
cations or interventions into the ULM–70 level meter without
manufacturer's approval. Potential repairs must be carried out by the manufacturer or by a manu-
facturer authorized service organization only.
Installation, commissioning, operation and maintenance of the ULM–70 level meter has to be car-
ried out in accordance with this instruction manual; the provisions of regulations in force regarding
the installation of electrical equipment have to be adhered to.
www.jetec.com.tw
久德電子
TEL:
+886-4-23729418
FAX:
+886-4-23724011
(40349)
台中市西區福人街11號
