Dial Type Direct Reading Portable
Reading Can Be Locked
Testing Foils Of Different Thickness Are Provided.
Can Be Used In All Positions Viz. Vertical,
Horizontal Or In An Inclined Plane.
For Precise Reading Mirror Is Provided
Below Scale
Supplied In An Attractive Case And With Instruction Manual
Operating Principle
When a magnetic base is brought near to a ‘U' magnet, leakage magnetic flux gets changed. This change deflects a magnetic needle placed in the flux area. The deflection is calibrated to indicate the air gap (non-magnetic coating) between ‘U’ magnet & magnetic base.