Liquidynamics Oil - In-Line Meters

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Liquidynamics 100200 LD250 In Line Digital Meter w/ LCD Display, Replaceable Electronics SKU: 100200 Price: $264.58

This compact and economical meter has a flow range of 0.25 to 8.0 GPM, 1/2” NPTF inlet and outlet, operating pressure rating of 1,000 PSI. Units of measure may be easily changed from pints, quarts, gallons or liters. Uses 2 ea. AAA 1.5V alkaline batteries, 3.0”W x 2.6”L x 2.15”H dim. The electronic module can be replaced without removing meter from plumbing line.

Liquidynamics 530020 In-Line Meter, Oval Gear w/ Lithium Battery 0.25 - 8 gpm SKU: 530020 Price: $290.92

Compact in-line meter has a flow range of 0.25 to 8.0 GPM, has 1/2” NPTF inlet and outlet, operating pressure of 1,500 PSI. Units of measure may be changed from pints, quarts, gallons or liters. Uses a lithium battery for approx. 5 year operating life, 4” dia. x 2.75” H.

Liquidynamics 100395 Mechanical Meter, In-line, 1/2” NPTF SKU: 100395 Price: $236.58

Mechanical in-line meter uses oval gear technology to ensure low pressure drop and high precision and is intended for use with lubricating oils, hydraulic fluids, transmission fluid and 100% antifreeze. The die cast aluminum body is rated to 1,000 PSI working pressure with burst pressure of 3,000 PSI. Measured fluid is displayed via a 3 digit (plus fraction) re-settable batch total which reads in quarts, while the non re-settable totalizer has a 6 digit display reading in gallons. Inlet and outlet fittings are 1/2” NPTF, 3- 8 GPM.

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UPDATED 9/9/25