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This is an all position meter which can be installed either vertically 

or horizontally, register up, down or angled. However, entrained air 

or solids may make some  positions preferable to others. See the 

position diagram for guidance.

POSITION

Recommended:

May prevent sediment

or bubble problems

Electrode

moved from

top by rotating

meter

Intermittent air  bubbles 

 miss  electrode

Electrodes free

from sediment

build-up

Intermittent air 

 bubbles   pass 

over   electrode

Possible  

sediment 

 build-up

Less Ideal:

Air bubbles and sediment 

on the electrodes can

affect accuracy

6

Summary of Contents for MFM100

Page 1: ...in usage monitoring applications These would include wells industrial wastewater leach mining discharge cooling tower deduct metering turf and landscape applications and other water reclamation opera...

Page 2: ...change the batteries yearly 4 The flow rate of the meter is designed to have an unlimited flow meaning that the meter will read as much flow as one can push though a 1 full port coupling However the...

Page 3: ...housing Corrosion resistant glass filled polypropylene body Lightweight for easy handling Clamping flanges for ease of installation 316 SS electrodes FEATURES FM100 FM100DC DIMENSIONS MFM100 MFM100DC...

Page 4: ...eplaceable Life 1 year with meter in use 3 years dry 10 30 Vdc 60 mA max 15 mA average Note Using an unregulated power supply 18 Vdc may damage the meter due to AC line input voltage fluctuation Pulse...

Page 5: ...me piping conditions require more than this See chart for recommendations If hose is used use smooth bore hose Follow the diagram below to make the connections INSTALLATION Step 1 Position gasket at e...

Page 6: ...to others See the position diagram for guidance POSITION Recommended May prevent sediment or bubble problems Electrode moved from top by rotating meter Intermittent air bubbles miss electrode Electro...

Page 7: ...ining threads Follow the diagram to make connections If you are using the pulse output connect power first and determine that the meter is working properly by observing the display then connect the pu...

Page 8: ...or incorrectly installed Check polarity replace batteries Reading EP Empty or partly filled pipe Excessive air pockets or foaming Rearrange piping to ensure full pipe Flow but no flow rate reading He...

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