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Maintenance and cleaning 

Technical changes reserved 

 

- 15 - 

Maintenance and cleaning 

Maintenance: 

The FMG70B is maintenance-free and cannot be repaired by the user. In case of a defect, 
the device must be replaced or sent back the manufacturer for repair. 

 

CAUTION! Material damage! 

When opening the device, critical parts or components can be damage. 

  Never open the device and perform any repair yourself. 

 

Cleaning:  

Clean the FMG70B with a dry or slightly damp lint-free cloth. Do not use sharp objects or 
aggressive agents for cleaning. 

 

7.1  Return shipment to the manufacturer 

Due to legal requirements placed on environmental protection and occupational safety and 
health and to maintain the health and safety of our employees, all units returned to Omega 
for repair must be free of toxins and hazardous substances. That also applies to cavities in 
the devices. If necessary, the customer must neutralize or purge the unit before return to 
Omega. 

Costs incurred due to inadequate cleaning of the device and possible costs for disposal 
and/or personal injuries will be billed to the operating company. 

 

WARNING! Risk of injury due to insufficient cleaning! 

The operating company is responsible for all damages and harm of any kind, in particular 
physical injuries (e.g. caustic burns or toxic contaminations), decontamination measures, 
disposal etc. that can be attributed to insufficient cleaning of the measuring instrument. 

  Please follow the instructions for sending in returns shown on page 23 of this manual.  

 

 
 

The following measures must be taken before you send the unit to Omega for repair: 

  Clean the device thoroughly. This is of extreme importance if the medium is hazardous to 

health, i.e. caustic, toxic, carcinogenic or radioactive etc. 

  Remove all residues of the media and pay special attention to sealing grooves and slits. 

  Attach a note describing the malfunction, state the application field and the 

chemical/physical properties of the media. 

  Please specify a point of contact in case our service department has any questions.  

 

 

 

 

Содержание FMG70B Series

Страница 1: ...FMG70B Series Magnetic Inductive Flow Sensor...

Страница 2: ...2 M 5575 0416...

Страница 3: ...g 13 6 2 Switching on and off 13 6 3 Measuring mode 13 7 Maintenance and cleaning 15 7 1 Return shipment to the manufacturer 15 8 Disassembly and disposal 16 9 Technical data 17 9 1 Characteristics FM...

Страница 4: ...is sign indicates dangers that cause personal injuries that can lead to health defects or cause considerable damage to property CAUTION Electric current This sign indicates dangers which could arise f...

Страница 5: ...G70B It contains the most important data the connection diagram and the arrow for the flow direction Example Fig 1 1 Delivery unpacking and accessories All units have been carefully checked for their...

Страница 6: ...d is only guaranteed by intended use The specified limits 9 Technical data may under no circumstances be exceeded Before installing the device check that the wetted materials of the device are compati...

Страница 7: ...FMG70B must hold a relevant qualification This can be based on training or relevant tuition The personnel must be aware of this operating manual and have access to it at all times The electrical conne...

Страница 8: ...ed in the middle of the measuring tube between the earthing sleeves The FMG70B does not need any moving parts to make measurements The inside of the measuring tube is completely open allowing the flui...

Страница 9: ...pment is depressurized and has cooled down SUITABLE TOOLS Use only suitable tools of the correct size 4 1 Installation instructions CAUTION Risk of malfunction due to external magnetic fields Magnetic...

Страница 10: ...OTICES Observe the flow direction indicated on the FMG70B Observe the mounting dimensions 9 5 Dimensions Select an appropriate location for installation 4 1 Installation instructions To ensure the bes...

Страница 11: ...ed power Optional wirings Depending on the version an analog output can be optionally connected Connecting cable Suitable connection cables with molded coupling socket are available in various lengths...

Страница 12: ...o not connect Connect the connecting cable according to your version and the pinout on the type plate Supply voltage FMG70B with frequency output Push Pull 1 NPN Open Collector PNP Open Collector 1 Pu...

Страница 13: ...the connected supply voltage Switch on the supply voltage The green LED lights up once for 1 s The FMG70B is ready and goes into measuring operation 6 3 Measuring mode In measuring mode the green LED...

Страница 14: ...ng and measuring mode 14 M 5575 0416 FMG70B with analog output According to the configuration of the FMG70B the analog output provides a voltage or current signal This signal is proportional to the me...

Страница 15: ...e unit before return to Omega Costs incurred due to inadequate cleaning of the device and possible costs for disposal and or personal injuries will be billed to the operating company WARNING Risk of i...

Страница 16: ...Prior to disassembly ensure that the equipment is switched off and is in a safe and de energized state the equipment is depressurized and has cooled down Disassembly Remove the electrical connectors...

Страница 17: ...se rate pulses gal optional 2 2 000 4 7 500 1 000 4 3 700 250 4 750 Resolution gal pulse optional 2 0 0005 0 26 0 0001 0 001 0 26 0 0003 0 005 0 26 0 0013 Signal shape Square wave signal duty cycle 50...

Страница 18: ...pressure 232 psi Process connection NPT male thread NPT male thread NPT male thread 1 NPT male thread The maximum ambient temperature depends on the temperature of the medium and the wiring of the FM...

Страница 19: ...Technical data Technical changes reserved 19 9 4 Temperature limits The maximum ambient temperature depends on the medium temperature and the version of the FMG70B...

Страница 20: ...Technical data 20 M 5575 0416 9 5 Dimensions FMG71B and FMG72B NPT only for FMG72B The cross section of the FMG72B does not taper to 0 16 in FMG73B...

Страница 21: ...For your notes Technical changes reserved 21 For your notes...

Страница 22: ...For your notes 22 M 5575 0416 For your notes...

Страница 23: ...Technical changes reserved 23...

Страница 24: ...24 M 5575 0416 M 5575 0416...

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