Stephen C. W. Chan

Quality Assurance Manager

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ETL’s Calibration department provides a wide range dimensional equipment calibration services, ranging from Length, Thickness, Angle and Straightness. 


Our fast reaction time ensures that our independent reporting is delivered to customers quickly for both HOKLAS and non-HOKLAS approved tests.


For further information or to receive a quote, please contact the Calibration team

Length Equipment
  • External Caliper

  • Measuring Tape

  • Dipmeter/Water Level Measuring Tape

  • Rule

  • External Micrometer

  • Dial Gauge

  • Digital Indicator

  • LVDT

  • Distance Measuring Wheel

  • Depth Gauge

  • Gauge Block

  • Laser/Infrared Distance Meter

  • Height Gauge

  • Micrometer Head

  • Rule with Measuring Jaws

  • Bore Gauge

  • Inside Micrometer

  • Ultrasonic Thickness Gauge

  • Bolt Length Checker

  • Metal Length Gauge

Thickness Equipment
  • Coating Thickness Gauge

  • Plastic Foil

  • Weld Gauge

  • Feeler Gauge

  • Pin Gauge

  • Thickness Gauge

  • Taper Gauge

  • Step Wedge

Angle Equipment
  • Spirit Level/Leveller

  • Bevel Protractor

  • Angle Meter/Protractor

  • Inclinometer/Tiltmeter

  • Angle Gauge

  • Tilting Table

  • Circular/Disc Bubble Spirit Level

Straightness Equipment
  • Square

  • Straight Edge

  • Reference Steel Cube

  • Steel Cylinder

  • Half Round Jaw

Job Reference

Calibration of Measuring Tape

Date: December 2020

Division: Dimensional

Project: Kwai Chung Hospital Phase 2

Client: Shui On Construction Company Ltd.

Calibration of Dipmeter

Date: December 2020

Division: Dimensional

Project: Lei Yuen Mun Phase 4

Client: Gammon Building Construction Ltd.

Calibration of Dial Gauge

Date: February 2021

Division: Dimensional

Project: Black Point Power Station

Client: Kum Shing E&M Ltd.

Calibration of Level & Coating Thickness Gauge

Date: February 2021

Division: Dimensional

Project: GC Project

Client: Paul Y. General Contractors Ltd.