BOP Precision inline-meter
Oil Equipment
Oil Equipment
03/27/2025

BOP Inline Meter: Precision and Efficiency in Oil Dispensing

03/27/2025

The Ultimate Addition to Your BOP System 

When it comes to improving workshop efficiency and reducing manual effort, the Macnaught BOP (Battery Operated Pump) system is already a game-changer. But now, with the BOP Inline Meter, precision measurement has been taken to a whole new level. Designed to complement both existing and new BOP dispense guns, this innovative meter ensures accurate volume tracking, making fluid dispensing easier and more efficient than ever before.


What is the BOP Inline Meter? 

The BOP Inline Meter is a high-accuracy, easy-to-install digital flow meter that attaches to your BOP dispense gun. With a unique swivel fitting that allows 360-degree rotation, it offers flexibility and clear visibility from any angle. This ensures that users can monitor fluid output effortlessly, reducing waste and increasing accuracy.

When accuracy matters, pump it, mearure it, repeat

Why is Accurate Measurement Important? 

Accurate fluid measurement is crucial in workshops, especially when dealing with expensive oils and lubricants. With the BOP Inline Meter, you can:

  • Prevent overuse of fluids, saving costs.
  • Ensure precise oil dispensing for better machinery performance.
  • Improve workflow efficiency by eliminating guesswork.


Key Features of the BOP Inline Meter 

Here’s what makes the BOP Inline Meter stand out:

  • High Accuracy: Utilises the oval rotor principle, a proven method for measuring flow rates with a ±2% accuracy.
  • Backlit LCD Display: Makes it easy to read measurements, even in low-light conditions.
  • IP67 Rating: Fully dustproof and water-resistant (can withstand submersion in water for up to 30 minutes at depths of 15cm to 1m).
  • Multiple Unit Settings: Displays readings in litres, gallons, or quarts, catering to different measurement preferences.
  • Long-lasting Battery: Powered by a single CR2450 lithium coin battery, which is easy to replace when needed.

BOP inline meter


How does the BOP Inline Meter work? 

The meter operates using rotor-based flow measurement. When oil passes through, internal magnets within the rotors trigger the PCB sensors, sending pulses to the LCD screen. These pulses are then converted into an accurate volume reading.

BOP inline meter


How to Install the BOP Inline Meter? 

Step-by-Step Assembly Guide 

  1. Attach the Connector: Securely screw the connector to the dispense gun (avoid overtightening).
  2. Insert the O-ring: Slide the O-ring onto the screw to create a proper seal.
  3. Connect the Meter: Insert the meter inlet onto the connector, applying light pressure.
  4. Secure the U-clip: Press the U-clip into place until it is flush with the body.
  5. Attach the Outlet Tube: Carefully screw the outlet tube onto the meter outlet (again, do not overtighten).


Common Questions about the BOP Inline meter 

How do I change the unit of measurement? 

To switch between litres, gallons, and quarts:

  1. Wake up the display by pressing the “M” or “L” button.
  2. Press and hold the “L” button until the unit changes.
  3. Continue pressing until your desired unit appears.

How do I reset the batch or total reading? 

  1. Press the “M” or “L” button to wake up the display.
  2. Use the “M” button to navigate to the batch or total reading.
  3. Press and hold both the “M” and “L” buttons together to reset to zero.

How do I replace the battery? 

  1. Open the battery drawer carefully.
  2. Remove the old CR2450 lithium coin battery.
  3. Insert a new battery, ensuring the positive side faces up.
  4. Slide the drawer shut firmly to maintain the O-ring seal.


Troubleshooting Tips 

No display? 

Check the battery and ensure it is inserted correctly.

Inaccurate readings? 

Ensure the meter is properly installed and not obstructed by debris.

Display won’t wake up? 

Ensure fluid is flowing or press the “M” or “L” button manually.


Package Contents 

When you purchase the BOP Inline Meter, you receive:

  • 1x BOP Inline Meter
  • Required fittings
  • Battery (CR2450)
  • User manual for easy setup and troubleshooting


Final thoughts: Is the BOP inline meter worth it? 

If you want greater accuracy, efficiency, and ease-of-use in your workshop’s fluid dispensing operations, then the BOP Inline Meter is an excellent investment. Whether you are running a small garage or a large industrial facility, this device ensures precision and control, saving you time and money in the long run.

Upgrade your BOP system today and experience the difference with the BOP Inline Meter!


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