FISCHER DE45 series Data Sheet And Operating Manual

d e v e l o p i n g s o l u t i o n s
Data Sheet and Operating Manual
DE45 Digital differential pressure switch / transmitter
DE45##00###K0#M#R####
Gas explosion protection zone 2
Table of Content
1 Safety guidelines
2 Intended use
3 Description of the product and functional description
4 Installation and assembly
5 Commissioning
6 Maintenance
7 Transport
8 Service
9 Accessories
10 Disposal
11 Technical data
12 Dimensional drawings
13 Order Codes
14 Manufacturer's Declarations and Certificates
  II 3G
Ex nA IIC T4
-10°C ≤ T ≤ 60°C
amb
1 Safety guidelines
1.1 General Information
This operating manual contains instruc-
tions fundamental to the installation, op-
eration and maintenance of the instru-
ment that must be observed uncondi-
tionally. It must be read by the assembler, operator
and the specialized personnel in charge of the de-
vice before it is installed and put into operation.
This operating manual is part of the product and
therefore must be kept close to the device in a
place that is easily accessible for the responsible
personnel.
The following sections, in particular the instructions
about assembly, commissioning and maintenance,
contain important safety
observance of which could lead to risks to people,
animals, the environment and objects.
1.2 Personnel Qualification
The instrument may only be installed and commis-
sioned by specialized personnel familiar with the in-
stallation, commissioning and operation of this
product.
information, non-
Specialized personnel are persons who can assess
the work they have been assigned and recognize
potential dangers by virtue of their specialized train-
ing, their skills and experience and their knowledge
of the pertinent standards.
For explosion-proof models the specialized person-
nel must have received special training or instruc-
tion or be authorized to work with explosion-proof
instruments in explosion hazard areas.
1.3 Risks due to Non-Observance of
Safety Instructions
Non-observance of these safety instructions, the in-
tended use of the device or the limit values given in
the technical specifications can be hazardous or
cause harm to persons, the environment or the
plant itself.
Claims for damages from the manufacturer are ex-
cluded in this case.