Calibration Reference Sheet
Unit Definitions and Conversions
Unit of Measure Definitions
Abbreviation
GPM
Gallons per Minute
lit/min
Liters per Minute
dl/min
Deciliters per Minute
PSI
Pounds per Square Inch
kPa
Kilopascal
GPA
Gallons per Acre
lit/ha
Liters per Hectare
ml/ha
Milliliters per Hectare
GPK
Gallons per 1,000 Square Feet
mm
Millimeters
Unit of Measure Conversions
To convert the METER CAL value into the selected unit of measure, divide the original number printed on the
Flow Meter label by the desired conversion value.
Fluid Ounces Conversion Formula
Original METER CAL Number
128
•
1 U.S gallon = 128 fluid ounces
•
1 U.S. gallon = 3.785 liters
•
1 U.S. gallon = 0.83267 imperial gallons
•
1 U.S. gallon = 8.34 pounds (water)
•
1 millimeter (mm) = 0.039 inches
•
1 centimeter (cm) = 0.393 inches
•
1 meter (m) = 3.281 feet
•
1 kilometer (km) = 0.621 miles
•
1 inch = 25.4 mm or 2.54 cm
•
1 mile = 1.609 km
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Definition
Liters Conversion Formula
Original METER CAL Number
Liquid
Length
Envizio Pro and Envizio Pro II Installation and Operation Manual
Abbreviation
cm
Centimeters
dm
Decimeters
m
Meter
MPH
Miles per Hour
km
Kilometers
km/h
Kilometers per Hour
US
Volume per Acre
SI
Volume per Hectare
TU
Volume per 1,000 Square Feet
[ ]
Metric Numbers
3.785
Weight of One Gallon of Product
•
1 square meter = 10.764 square feet
•
1 hectare = 2.471 acres or 10,000 square meters
•
1 acre = 0.405 hectares or 43,560 square feet
•
1 square mile = 640 acres or 258.9 hectares
•
1 psi = 6.89 kPa
•
1 kPa = 0.145 psi
Definition
Pounds Conversion Formula
Original METER CAL Number
Area
Pressure
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