GPI LM51DN Specifications
ECONOMY
LM SERIES Lube Meters
Model No.
LM50PN
Model No.
LM51DN
Model No.
LM50M
Choose from one of the GPI® economy
positive displacement meters. These compact
meters are perfect for metering engine oils
or transmission uids (maximum viscosity
1,000 cp). The LM50M Mechanical Meter is
suitable for hazardous locations.
Choose the LM50PN when Pulse Out without
Display meets your application. The LM51DN
model includes an easy-to-read display. All
meters are designed with oval rotors for
optimum accuracy.
LM50PN – SPECIFICATIONS
Construction: Aluminum
Wetted Components: Acetal, Aluminum, Nitril and Steel
Connections: 1/2 inch NPT
K-Factor: 424 PPG / 112 PPL
Flow Range: 0.26 - 7.8 GPM (1 - 30 LPM) @ 5 - 1,000 cp
Accuracy: ± 0.5% of reading
Max. Working Pressure: 1,000 PSI / 69 BAR
Operating Temperature: +23° F to +131° F (-5° C to +55° C)
Model Numbers: LM50PB (Lube Meter 1/2" BSPT)
LM50PN (Lube Meter 1/2" NPT)
LM51DN – SPECIFICATIONS
Construction: Aluminum
Wetted Components: Aluminum, Stainless Steel, Alnico, Buna,
LCP (Liquid Crystal Polymer)
Connections: 1/2 inch NPT
Flow Range: 0.26 - 7.8 GPM (1 - 30 LPM) @ 5 - 1,000 cp
Accuracy: ± 0.5% of reading
Max. Working Pressure: 1,500 PSI / 103 BAR
Operating Temperature: -4° F to +140° F (-20° C to +60° C)
Battery: Lithium
Display: 6 digit; Shows Batch, Reset Total, Non-Reset Total
Display Units: User selectable (gallons, litres, pints or quarts)
Model Numbers: LM51DN (Lube Meter with Display 1/2" NPT)
Construction: Aluminum
Wetted Components: Acetal, Aluminum, Nitril and Steel
Connections: 1/2 inch NPT or BSPT (Female)
Flow Range: 0.26 - 7.8 GPM (1 - 30 LPM) @ 5 - 1,000 cp
Accuracy: ± 1.0% of reading
Max. Working Pressure: 1,000 PSI / 69 BAR
Operating Temperature: +14° F (-10° C)
Battery: None required
Model Numbers: LM50MNL - 1/2" NPT tting. Calibrated in litres
LM50MBL - 1/2" BSPT tting. Calibrated in litres
LM50MNQ - 1/2" NPT tting. Calibrated in quarts
LM50M – SPECIFICATIONS
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44 gpimeters.net
Features and Benets:
Extremely accurate.
Dependable performance.
Reliable, trouble-free operation.
Totalization in US gallons and liters
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