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GPI LM50DB Instruction Manual

Positive displacement flowmeters
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POSITIVE DISPLACEMENT FLOWMETERS
The GPI quality Positive displacement flowmeter has
incorporated the oval rotor principal into its design. This has
proven to be a highly reliable and highly
accurate method of measuring flow, providing exceptional
repeatability and high accuracy.
This meter is designed for in line use with Engine Oil & ATF
up to a maximum viscosity of SAE 140, Diesel & Water Gly-
col mixtures with a maximum water content of less than 50%.
Please read and retain this instruction manual to
assist you in the operation and maintenance of this
quality product.

GENERAL INFORMATION

This manual assists you in operating and maintaining your
new positive displacement flowmeter. The information
contained will help you ensure many years of dependable
performance and trouble free operation.
Please take a few moments to read through this manual before
installing and operating your new meter. If you experience
problems with this product, refer to the Maintenance and
Trouble Shooting sections of this manual.
further assistance please contact your local GPI
Distributor.
IMPORTANT INFORMATION
GPI recommends, that if you are using your meter as an in-
line application you should
before the inlet of the meter. Contact your local GPI distributor
for further details.
LM50DB / LM50DN (ELECTRONIC)
INSTRUCTION MANUAL
If you require
install a filter
INSTALLATION
2) Do not over tighten connections.
OPERATION
LM50DB or LM50DN ELECTRONIC REGISTER
DISPLAY BUTTON
Each press of the DISP button will allow you to scroll through
the meter options
Resetable Batch Total
Resetable Accumulative Total
Non Resetable Accumulative Total
Flowrate
RESET BUTTON
The RESET button allows you to reset the Batch Total or the
Resettable Acumulative Total to zero.
To reset either the Batch total or Resetable Acumulative total.
Press the DISP button to scroll to either the Batch or Resetable
total . When the required total is displayed. Press reset to zero
the totalizer.
FLOWRATE
This display option shows the flowrate of the fluid
passing through the meter.
IM083
0106
0002
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  • Page 1: General Information

    . When the required total is displayed. Press reset to zero the totalizer. IMPORTANT INFORMATION FLOWRATE GPI recommends, that if you are using your meter as an in- This display option shows the flowrate of the fluid line application you should install a filter passing through the meter.

  • Page 2: Battery Replacement

    SLEEP MODE The Rotor with Magnets If NO flow goes through the meter for 60 seconds the display will go into sleep mode (Blank). The display will automatically wake if the buttons are pressed or flow occurrs. BATTERY REPLACEMENT All data will be saved when the batteries are removed. ( fig 2) Note: Replace the batteries as soon as the battery indicator on the LCD is displayed...
  • Page 3 ELECTRONIC MODULE PROGRAMING DETAILS Note: As the decimal point does not float we recommend that a maximum of 2 decimal places be used, see below for details. The electronic module has been set up as follows:- a) Ensure the meter is awake before trying to enter the programming mode. b) If the meter goes into sleep mode during programming, it will automatically return to operating mode.
  • Page 4 e) Press and hold down RESET until “program” disappears 2. TOTALS SETTINGS totL2 to accept setting. 21 BATCH TOTAL unit 21 (set units) f) Press RESET for five seconds to return the meter to the operating mode. a) Press and hold down RESET for 5 seconds until “totL2” appears.
  • Page 5 3. FLOW RATE rAtE 3 f) Press and hold down RESET until “program” disappears to accept setting. 31 UNITS = unit 31 (set units) a) Press and hold down RESET for 5 seconds until “totL2” g) Press RESET for five seconds to return the meter to the appears.
  • Page 6 d) Press RESET “REL” plus hardwear release number will 43 TIME = tiME 43 (time to revert to default display) appear. a) Press and hold down RESET for 5 seconds until “totL2” e) Press RESET the screen will flash between “SOFT” and appears.
  • Page 7 NOTES:...

  • Page 8: Troubleshooting Guide

    TROUBLE SHOOTING GUIDE TROUBLE CAUSE REMEDY N o f l ui d passi ng t hr ough a) D i r t par t i cl es j am m i ng t he r ot or s a) R em ove r ot or s and r em ove any di r t or cont am i nat i on t he m et er The m et er i s not r egi st er i ng f l ui d out put a) Fl at bat t er y a) R epl ace bat t er y...

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Lm50dn

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