Do you have a question about the ME12 R Series and is the answer not in the manual?
Questions and answers
Summary of Contents for FISCHER ME12 R Series
Page 1
II 3G Ex nA IIC T4 Gc II 3D Ex tc IIIB T125°C Dc Operating manual ME12 ... R/S Remotely configurable digital pressure transducer for use in explosive areas Gas explosion protection Zone 2 Dust explosion zone 22...
Page 2
Great care was taken when compiling the texts and illustrations; Nevertheless, errors cannot be ruled out. The company FISCHER Mess- und Regeltechnik GmbH will not accept any legal responsibility or liability for this.
FISCHER Mess- und Regeltechnik GmbH Table of Content Table of Content 1 Safety guidelines......................4 1.1 General........................... 1.2 Personnel Qualification ......................1.3 Risks due to Non-Observance of Safety Instructions............. 1.4 Safety Instructions for the Operating Company and the Operator .........
1 | Safety guidelines FISCHER Mess- und Regeltechnik GmbH 1 Safety guidelines 1.1 General This operating manual contains basic instructions for the installation, operation and maintenance of the device that must be followed without fail. It must be read by the installer, the operator and the responsible specialist personnel be- fore installing and commissioning the device.
FISCHER Mess- und Regeltechnik GmbH Safety guidelines | 1 A professional single conformity inspection as per DIN EN 61010, section 1, must be carried out before the instrument can be re-commissioned. This inspec- tion must be performed at the manufacturer's location. Correct transport and storage of the instrument are required.
2 | Product and functional description FISCHER Mess- und Regeltechnik GmbH 2 Product and functional description 2.1 Product overview The following provide an overview of the possible connectors and process con- nections. The code stated corresponds to the respective code in the order code.
FISCHER Mess- und Regeltechnik GmbH Product and functional description | 2 2.1.1 Type plate Order code Connection diagram II 3G Type Measuring range Ex nA IIC T4 Gc Electr. output Supply voltage. -10°C≤Tamb≤60°C Prod.-no. Serial number Technical data ATEX marking Conformity Fig. 3: Type plate...
2 | Product and functional description FISCHER Mess- und Regeltechnik GmbH 2.3 Function diagram ΔR Pressure Δ Fig. 4: Function diagram Ceramic sensor Electronics Auxiliary energy Electrical connection Process connection 2.4 Design and mode of operation The pressure sensor work on the thick layer technology DMS principle. The measured pressure acts directly onto a ceramic membrane that deforms when under pressure.
FISCHER Mess- und Regeltechnik GmbH Installation and assembly | 3 3 Installation and assembly 3.1 Generalities The instrument may only be installed and commissioned by specialized person- nel familiar with the installation, commissioning and operation of this product. Specialized personnel are persons who can assess the work they have been assigned and recognize potential dangers by virtue of their specialized training, their skills and experience and their knowledge of the pertinent standards.
Page 10
3 | Installation and assembly FISCHER Mess- und Regeltechnik GmbH 3.2.1 Measuring lines that need to be connected The following points need to be observed when connecting the pressure line: • To ensure there is no influence on the measured values, severe bends and coils in the wire should be avoided.
FISCHER Mess- und Regeltechnik GmbH Installation and assembly | 3 b) Settable damping reactor In operating mode, the damping throttle must be set so that the output signal follows the pressure changes with a delay. G½ Manometer connection AF27 Setting screw...
3 | Installation and assembly FISCHER Mess- und Regeltechnik GmbH 3.3.1 Standardised plug DIN EN 175 301-803-A Line socket Flanged connector Screw Cable screw connection Housing M16x1.5 Contact insert Seal NBR Fig. 10: Line socket DIN EN 175 301-803-A Ter- Signal name...
FISCHER Mess- und Regeltechnik GmbH Installation and assembly | 3 3.5 Servicing 3.5.1 Maintenance The instrument is maintenance-free. We recommend the following regular in- spection to guarantee reliable operation and a long service life: • Check the function in combination with downstream components.
4 | Technical data FISCHER Mess- und Regeltechnik GmbH 4.6 Application conditions Ambient temperature range -10 °C … +70 °C Storage temperature range -20 °C … +85°C Medium temperature range -10 °C … +85 °C ATEX EN 60079-0:2012 + A11:2013...
FISCHER Mess- und Regeltechnik GmbH Technical data | 4 4.8 Construction design 4.8.1 Dimensional picture M12x1 Ø38.5 SK (hex) SW27 Ø28 Ø5 Ø9.5 Ø6 G¼ Ø17.5 G½ Fig. 12: Standard casing dimensional drawing near flush-mounted front sensor ¼-18 NPT EXT Schrader ®...
Page 18
4 | Technical data FISCHER Mess- und Regeltechnik GmbH 4.8.2 Process connection Port Material G½ B Connection shanks with external thread 1.4404 G¼ B Connection shanks with external thread 1.4404 ¼-18 NPT EXT Connection shanks with external thread 1.4404 7/16 UNF Connection with inner thread for the 1.4404...
FISCHER Mess- und Regeltechnik GmbH Order Codes | 5 5 Order Codes Code No. 10 11 12 13 14 15 16 17 18 19 20 21 Type unused [1.2] Measuring range [1,2] Messbereich Abs. Rel. 0…0.6 bar 0 ... 60 kPa ●...
Page 20
5 | Order Codes FISCHER Mess- und Regeltechnik GmbH [4.5] Process connection Material Connection shanks with external thread G¼ B Connection shanks with external thread G½ B Connecting port with outer thread ¼ -18 NPT EXT 1.4404 Schrader® screw connection inner thread 7/16 UNF Near flush-mounted front sensor outer thread G1 B Near flush-mounted front sensor outer thread G¾...
FISCHER Mess- und Regeltechnik GmbH Order Codes | 5 5.1 Accessories Order no. Planned measures No. of Length Poles 06401993 PUR cable with M12-coupling 4-pin 06401994 PUR cable with M12-coupling 4-pin 06401563 PUR cable with M12-coupling 4-pin 06401572 PUR cable with M12-coupling...
Need help?
Do you have a question about the ME12 R Series and is the answer not in the manual?
Questions and answers