FISCHER ME50 R Series Operation Manual Download Page 1

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II 3G Ex nA IIC T4 Gc

-20 °C ≤ Ta ≤ +60°C

Operation manual

ME50 ... R

Programmable pressure transducer / pressure switch

for explosive areas

Gas explosion protection zone 2, gases and vapours

09005259 • BA_EN_ME50_ATEX • Rev. ST4-C • 03/22

*09005259*

Summary of Contents for ME50 R Series

Page 1: ...C T4 Gc 20 C Ta 60 C Operation manual ME50 R Programmable pressure transducer pressure switch for explosive areas Gas explosion protection zone 2 gases and vapours 09005259 BA_EN_ME50_ATEX Rev ST4 C 0...

Page 2: ...or any other form print photocopy microfilm or another process without the written consent of the company FISCHER Mess und Regeltechnik GmbH Bad Salzuflen Reproduction for internal use is expressly a...

Page 3: ...ry scope 7 2 2 Performance characteristics 7 2 3 Use as intended 7 2 4 Function diagram 8 2 5 Design and mode of operation 8 2 6 Product overview 9 2 7 Type plate 9 3 Installation and assembly 10 3 1...

Page 4: ...of their specialized training their skills and experience and their knowledge of the pertinent standards For explosion proof models the specialized personnel must have received spe cial training or in...

Page 5: ...applies to replacement parts Only the manufacturer is authorised to make any modifications or changes 1 6 Inadmissible Modes of Operation The operational safety of this instrument can only be guarante...

Page 6: ...urce of danger This indicates a potentially dangerous situation that could lead to death or ser ious injury medium danger level 1 Avoid danger by observing the valid safety regulations CAUTION Type an...

Page 7: ...s technology Environmental technology Regenerative energies biogas etc 2 3 Use as intended The ME50 is suitable for measuring relative pressure and under pressure in fluid or gas like neutral non aggr...

Page 8: ...ing cell In the ceramic measuring cell the pressure acts directly on the ceramic mem brane which in turn deforms The membrane is constructed electrically like a plate capacitor whose capacity change i...

Page 9: ...lamp Fig 2 Product overview 2 7 Type plate This type plate serves as an example of the information that is stated The data shown is purely fictive but does correspond to the actual conditions For more...

Page 10: ...ssure lines need to be vented for fluid measuring media If water is used as a measuring medium the unit must be protected against frost If the pressure sensing lines are already pressurised at the tim...

Page 11: ...Ub Ub Fig 6 3L Circuitry Without switch output Fig 7 M12 connector 8 pin PIN Signal name Cable colour 1 Outlet Sig white 2 Services Ub brown 3 n c green 4 n c yellow 5 n c grey 6 n c pink 7 Services U...

Page 12: ...al and switching contacts PNP switching Pin Signal name Cable colour 1 Output Sig white 2 Operating voltage Ub brown 3 Switching output 1 PNP1 green 4 n c yellow 5 Switching output 2 PNP2 grey 6 n c p...

Page 13: ...ed value display 1 Keyboard 2 Measured Value Display 3 Unit 4 Switch points 5 Bar chart 6 Overflow The 3 digit LCD display represents the current pressure value in normal mode The unit is shown to the...

Page 14: ...ating mode NOTICE Time out If no key is pressed for a longer period approx 1 minute the units switches automatically into work mode Set parameters Proceed as follows to set a parameter 1 Press the ent...

Page 15: ...Sc parameter and press the OK button The unit switches into work mode Parameter measuring range MA ML The measuring range within the basic measuring range can be spread see type plate using the parame...

Page 16: ...tact drops As switched contact is shown in the display as SP1 or SP2 ii Parameter function sp1f The type of contact is defined with this parameter sp1f 0 The contact works as an open contact NO sp1f 1...

Page 17: ...the set window When reaching double the value the measured value and the reading match again This avoids jumps in the display nP 2nP nP 2nP Advertisement Measured value Zero point window 0 Parameter l...

Page 18: ...keyboard is locked Unlock the keyboard by interrupting the power supply tast 0 The key lock is deactivated tast 1 100 s The key lock is activated after the end of a given time Parameter reset rst If t...

Page 19: ...4 0 100 20 0 200 40 Piezo resistive measuring cell Measuring range Smallest measuring span Over pressure safety mbar mbar bar 0 400 80 1 0 600 120 3 bar bar bar 0 1 0 2 3 0 1 6 0 32 7 5 0 2 5 0 5 7 5...

Page 20: ...1 5 4 Measurement accuracy Accuracy 0 2 of measuring range FS Temperature drift 0 01 FS K Zero point Measuring range Temperature error band over the com pensated temperature range Compensated measuri...

Page 21: ...ontact with the surroundings Casing CrNi Steel 1 4404 1 4571 Process adapter TC Clamp light solid CrNi Steel 1 4404 High pressure CrNi Steel 1 4308 TC clamp CrNi steel 1 4301 Front pane Safety composi...

Page 22: ...imension drawing process parameters Planned measures Operating pressure A B C TC clamp DN40 light PN7 53 0 84 5 69 0 TC clamp DN40 solid PN40 53 0 90 0 57 0 TC clamp DN40 high pressure PN80 53 5 102 T...

Page 23: ...Measuring range Measuring cell C7 20 20 mbar Ceramic measuring cell C5 40 40 mbar B4 100 100 mbar 58 0 60 mbar 59 0 100 mbar 44 0 200 mbar 83 0 400 mbar Piezo resistive measuring cell C1 0 600 mbar 0...

Page 24: ...DC 8 Electrical connection M M12 plug connection 9 Operating voltage D 24 V DC Device specification 17 Ex Classification R II 3G Ex nA IIC T4 Gc 18 21 Order No 6 1 Accessories Order no Planned measure...

Page 25: ...FISCHER Mess und Regeltechnik GmbH Attachments 7 BA_EN_ME50_ATEX 25 28 7 Attachments 7 1 EU Declaration of Conformity Fig 14 CE_EN_ME50_R...

Page 26: ...FISCHER Mess und Regeltechnik GmbH 26 28 BA_EN_ME50_ATEX Notes...

Page 27: ...FISCHER Mess und Regeltechnik GmbH BA_EN_ME50_ATEX 27 28 Notes...

Page 28: ...lefelder Str 37a D 32107 Bad Salzuflen Tel 49 5222 974 0 Fax 49 5222 7170 www fischermesstechnik de info fischermesstechnik de Technische nderungen vorbehalten Subject to technical changes Sous r serv...

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