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Oil Control Guns

GRACO EM8 Electronic Manual Oil/Antifreeze Meter - Flexible Extension - 1/2" - NPT

Product Code: AF-G-25C904

Brand
Graco
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Description

EM Series handheld and in-line meters are designed to last from small service centers and lubrication trucks to heavy-duty repair facilities. Choose from 8 or 20 gpm (30.3 to 75.7 lpm) hand-held models or our 20 gpm (75.7 lpm) in-line meter. Graco s EM Series meters are backed by our robust warranty and feature upgraded electronics and easy-to-read LCD with simple operator controls that measures in quarts, gallons, pints and liters.

  • Twist-Close Nozzle Prevents Leaking - Multiple extensions available including rigid, flexible and gear lube.
  • High-Flow Rates - Capable of up to 8 gpm (30.3 lpm).
  • Legacy Valve - 1/2 inch (13 mm) inlet, compatible with Oil and Antifreeze.
  • Prevent Accidental Dispenses - Easy-to-hold locking handle.
  • Proven in Harsh Conditions - Sealed electronics (IP69K) are protected against direct pressure washing and dust.
  • Long Battery Life - Features upgraded electronics and easily replaceable AAA batteries.
Technical Specifications
Brand Graco

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What Is a Digital Fuel Meter?

A digital fuel meter is a precision instrument designed to measure and display the volume of fuel dispensed from tanks, pumps, or fuel transfer systems. Unlike mechanical meters, digital fuel meters use electronic sensors and LCD or LED displays to provide accurate, real-time readings of fuel flow.
Common Use Cases:
Digital fuel meters are commonly used in:
  • Service stations
  • Mining and construction refuelling setups
  • Agricultural fuel trailers
  • Workshops and fleet depots
These meters are compatible with a range of fuels including diesel, petrol, kerosene, biodiesel, and even AdBlue, depending on the model. They are often installed inline and can be paired with electric or manual pumps.
How Accurate Are Digital Fuel Meters?
Digital fuel meters are highly accurate, typically providing measurement accuracy within ±0.5% to ±1.0%, depending on the brand and calibration. This level of precision makes them ideal for commercial fuel dispensing, where exact measurement is essential for:
  • Inventory tracking
  • Billing accuracy
  • Regulatory compliance
Factors That May Affect Accuracy:
  • Fuel viscosity and temperature
  • Flow rate and pressure
  • Calibration and maintenance frequency
Leading digital meter brands offer consistent and repeatable results, which is crucial for industries that require traceable fuel usage and accountability, especially in sectors such as mining, transport, and agriculture across Australia.
Can Digital Fuel Meters Be Calibrated?
Yes, digital fuel meters can and should be calibrated periodically to maintain accuracy and meet industry standards—particularly in commercial or regulated environments.
Typical Calibration Procedure:

  1. Use a known volume container (e.g. 20L test bucket)

  2. Dispense fuel through the meter

  3. Compare the meter reading to the actual volume

  4. Adjust calibration settings using onboard buttons or software (depending on model)

Some advanced models offer automatic calibration features or external calibration ports for easier servicing.
Why Calibration Matters:
Regular calibration ensures:
  • Accurate fuel tracking
  • Prevention of billing disputes
  • Compliance with Australian measurement standards and environmental regulations
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