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Manual Multisection Bore Gauge


M5 is an extremely precise manual gauge designed to measure engine block bores and cylinder head bores, inspecting multiple sections simultaneously

Iit performs the measurements of diameter or concentricity processing multiple points for each section.

Maneuverability and high reliability are assured also for large gauges thanks to the integration of a balancing arm.

The manual multisection bore gauge is connected to electronic device through cables or a wireless connection.

The wireless connection is accomplished by a special handle containing the Bluetooth ® transmitter and the power supply Li-Ion inductive rechargeable batteries.

Manual Multisection Bore Gauge

M5 offers a complete solution for manual inspection of bores in the automotive market, particularly to measure engine block bores and cylinder head bores on the shop floor.

The system acquires 2 or 4 contacts for each section simultaneously and elaborates the measure of diameter; by the acquisition of 4 contacts the gauge can also performs the measure of seats concentricity.

The contacts can be supplied choosing between different materials like widia, widia with DLC or diamond.

For horizontal measurements, like crank bore and cam bore, the gauge can be easily supported through balancing arm and the measurement cycle can consider radial and axial steps.

M5 is composed of a standard manual gauge connected directly to a special handle containing the Bluetooth ®  transmitter and the power supply Li-Ion inductive rechargeable batteries.

The wireless manual gauge can be used with Marposs E9066™ industrial PCs and Merlin™ embedded gauge


Each manual gauge can be put away easily on its stand charger which assures the inductive recharging of the batteries.

  • Multisection to guarantee simultaneous checks improving the total inspection time
  • Very rugged solution, assuring a high reliability over time
  • Ease in handling both for vertical and horizontal operations to perform all operations accurately
  • Wireless or cabled connections to satisfy different application requirements

Cylinder bore:  

  • Max. number of measuring sections : 3
  • Max. number of measuring points: 12 (cable) and 7 (wireless)

Crank bore, Cam bore  

  • Max. number of measuring sections : 7
  • Max. number of measuring points: 28 (cable) and 7 (wireless)

Repeatability error* (4σ) : 1µm  for L/D** < 15

  • * test on 50 samples for diameter measurements with max. temperature variat. = 2°C/h
  • ** L= plug length; D= plug diameter

Bluetooth ® wireless techology

Wireless range up to 10 m (3.3 ft)

Working time 36 hours, continuous

Charging time 5-6 hours (2 hours at 80%)

Up to 7 signals manageable



English M5: (687.58kB)
Japanese M5: (454.90kB)

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