M7600 Menu
Scale Factor Changing the scale factor lets you adjust the meter’s accuracy without disturbing parameters set
by the factory. You can tune the meter to meet changing application requirements in a range of
±10% (0.90 to 1.10).
If it is necessary to recalibrate the meter, follow these steps:
1. Determine the exact quantity of uid that actually passed through the meter by using a
calibrated volumetric container or by weighing the container.
2. Note the volume of uid indicated by meter.
3. Note the current scale factor on the meter LCD (scale factor menu).
4. Use the following formula to calculate the new scale factor for recalibration:
Qty delivered
Qty on meter
Old scale
factor
New scale
factor
X
5. Use the meter push-buttons to enter the new scale factor.
6. Rerun test to verify that the recalibration is correct.
Example:
You have a 3" size meter in your installation. You run a test batch quantity of 210 gallons. The
totalizer on the meter indicates 203 gallons. Your present scale factor on the meter is 1.00.
Using the formula:
X
210
203
1.0=1.03
Your new scale factor is 1.03.
Pulse/Unit The Pulses/Unit parameter lets you set how many pulses per unit of measure will be transmitted.
The maximum output frequency of 10,000 pulses/sec.
10 kHz must not be exceeded for the Open Collector.
1 Hz must not be exceeded for the Solid-State Relay.
If both are used, 1 Hz must not be exceeded.
For example, assuming the unit of measure is gallons:
• Setting the Pulses/Unit to 1 will transmit 1 pulse every gallon
• Setting the Pulses/Unit to 0.01 will transmit 1 pulse every 100 gallons
You must configure pulses/unit if the function of the selected output is to be open collector or
solid-state.
Flow Unit Flow Units let you select among the Flow Units listed below. Flow units are automatically
converted into the selected unit.
Display Flow Unit Display Flow Unit
L/s Liters/Second gal/s Gallons/Second
L/min Liters/Minute gal/min Gallons/Minute
L/h Liters/Hour gal/h Gallons/Hour
m
3
/s Cubic Meters/Second MG/D MillionGallons/Day
m
3
/min Cubic Meters/Minute IG/s ImperialGallons/Second
m
3
/h Cubic Meters/Hour IG/min ImperialGallons/Minute
ft
3
/s Cubic Feet/Second IG/h ImperialGallons/Hour
ft
3
/m Cubic Feet/Minute Oz/min Ounce/Minute
ft
3
/h Cubic Feet/Hour bbl/min Barrel/Minute
Totalizer Unit This parameter establishes the units of measure for the totalizers.
Display Totalizer Unit Display Totalizer Unit
L Liters MG Million Gallons
hL Hectoliter IG Imperial Gallons
m
3
Cubic Meters bbl Barrel
ft
3
Cubic Feet Oz Fluid Ounces
gal U.S. Gallons Aft Acre Foot
Menu Programming Options
Page 17 February 2018 MAG-UM-00507-EN-02
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