FISCHER Mess- und Regeltechnik GmbH Table of contents Table of contents 1 Safety instructions ......................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 ......... 1.5 Unauthorised Modification ......................
1 | Safety instructions FISCHER Mess- und Regeltechnik GmbH 1 Safety instructions 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 instructions | 1 1.7 Safe working practices for maintenance and installation work The safety instructions given in this operating manual, any nationally applicable regulations on accident prevention and any of the operating company's internal work, operating and safety guidelines must be observed.
2.2.4 Electrical connection Cable connection Cable socket/plug Fig. 6: Options for the electrical connection 2.2.5 Type plate Order code Devices pressure and voltage-free Article no. MS11 02NA00B1000 Measuring range 0 - 1 bar MESS- UND P max. 25 bar REGELTECHNIK Prod. no.
FISCHER Mess- und Regeltechnik GmbH 2.3 Intended use The MS11 contact manometer is a combined measuring and switch device for pressure measurements under difficult conditions, such as pressure impacts, vi- brations, frequent switch processes or high requirements on the switch perform- ance.
FISCHER Mess- und Regeltechnik GmbH Assembly | 3 3 Assembly 3.1 General The device is designed for a direct process connection acc. to DIN EN 837. Op- tionally, the device can also be supplied for wall mounting or with an installed switch panel set.
Page 10
3 | Assembly FISCHER Mess- und Regeltechnik GmbH Fluid media In the operational status, the reactor pins need to be set so that the measure- ment display follows the pressure changes with a delay. Settable reactor pins below the closing cap G¼...
• Disconnect the system from the mains, before electrically connecting the device. • Install the consumer-adapted fuses. • Do not connect the connector if strained. The MS11 can be equipped with one or two micro-switches. Each micro-switch has a changeover contact that is wired as follows. Switch 1 Switch 2...
Page 12
3 | Assembly FISCHER Mess- und Regeltechnik GmbH Plug connection can be mounted offset by 180° Cable screw connection Fig. 13: Cable plug Terminals 1 to 6 Brass Screw terminal up to 1.5 mm Ground terminal Cable screw connection Polyamide 6 M20x1.5 Sealant EPDM...
FISCHER Mess- und Regeltechnik GmbH Start-up | 4 4 Start-up 4.1 General All electrical supply, operating and measuring lines, and the pressure connec- tions must have been correctly installed before commissioning. All supply lines are arranged so that there are no mechanical forces acting on the device. Check that the pressure connections do not leak before commissioning.
4 | Start-up FISCHER Mess- und Regeltechnik GmbH 4.3.2 Enclosure with protection class IP65 Ø100 1. Release the bayonet ring (1) by turning to the left. if the bayonet ring cannot be opened by hand, use a pipe wrench (4). 2.
FISCHER Mess- und Regeltechnik GmbH Start-up | 4 4.6 Function test Remove both plugs in the hood for testing or open the bayonet ring enclosure. If the unit has two micro-switches, the stated test steps must be carried out for both switches.
5 | Servicing FISCHER Mess- und Regeltechnik GmbH 5 Servicing 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. •...
FISCHER Mess- und Regeltechnik GmbH Technical data | 6 6 Technical data 6.1 General Information Reference conditions (acc. to IEC 61298-1) Temperature +15 … +25 °C Relative humidity 45 … 75 % Air pressure 86 … 106 kPa 860 … 1060 mbar Installation position vertical 6.2 Input variables...
6 | Technical data FISCHER Mess- und Regeltechnik GmbH 6.3 Output parameters Switch contacts 1 to 2 micro-switches Switching function (per contact) Changeover contact Switch point setting Can be set to reference scales from outside Smallest settable value 5% of the upper range value Switch hysteresis 2.5% of the upper range value Per contact...
Page 19
FISCHER Mess- und Regeltechnik GmbH Technical data | 6 Parts with no contact with the medium Cover hood IP55 Makrolon Bayonet ring housing IP65 Stainless steel 1.4301 Dial face and needle Aluminium Setting buttons AlCuMgPb 3.1645 6.5.2 Dimensional drawings All dimensions in mm unless otherwise stated The following are the dimensional diagrams for the different models of the pres- sure chambers in aluminium.
Page 20
6 | Technical data FISCHER Mess- und Regeltechnik GmbH 6.5.2.2 Wall structure (aluminium) Ø5 SW22 Ø6 16.5 17.5 G½ Fig. 17: Model IP55 SW22 16.5 Fig. 18: Model IP65 BA_EN_MS11...
Page 21
FISCHER Mess- und Regeltechnik GmbH Technical data | 6 6.5.2.3 Switch panel installation (aluminium) SW22 min. 3 98.5 Fig. 19: Model IP55 max. 3 Fig. 20: Model IP65 BA_EN_MS11...
7 | Order codes FISCHER Mess- und Regeltechnik GmbH 7 Order codes Code no. 10 11 12 13 14 15 16 17 Type Optional information e.g. SIL Measuring diaphragm [1.2] Measuring range NBR / VITON Inconel 718 0 … 250 mbar 0 …...
Page 23
FISCHER Mess- und Regeltechnik GmbH Order codes | 7 Pressure chamber Comment Aluminium Only measuring range ≤ 0 ... 16 ® Aluminium HART COAT Stainless steel 1.4305 Version Bottom pressure connection with outer thread G½ B Back pressure connection with outer thread G½ B Wall mounting;...
Need help?
Do you have a question about the MS11 and is the answer not in the manual?
Questions and answers