Technical Data:
Product: Lens Thickness Gage
Indicator type: Dial
Resolution / graduation: 0.001 in
Range: 0 - 0.5 in
Measuring depth: 1.18 in
Contact point / anvil: Dia.0.24 in flat contact point; Dia.0.19 in flat anvil
Parallelism: 0.0005 in
Accuracy: +/-0.001 in
Measuring force: 1.8 N or less
Mass: 215 g
Remarks: Lens thickness

Application:
Measures thickness of concave-convex lenses and surfaces.
Contact point and anvil are hardened steel.
Anvils and contact points are interchangeable to enable concave surfaces to be measured.
Ball point supplied as standard.

Dimensions:
Overall profile: 85 mm
Throat depth: 30 mm
Contact point diameter: Dia.6 mm
Anvil diameter: Dia.4.8 mm
Reversible anvil traveling range: 12 mm
Ball point: S Dia.4 mm
Ball contact radius: SR2
Anvil radius: SR3
Other drawing dimension: 9.3 mm

Remark:
The dial indicator needs to be reset when a contact point is replaced.