Features:

• Diameter of measuring disk: 20mm
• 0.mm edge thickness to enter narrow recesses (1mm for models over 100mm)
• With Ratchet Stop for constant force
• With a standard bar except for 25mm
• Supplied in fitted plastic case (over 100mm models supplied in wooden cases)

Technical Specification:

Accuracy: Refer to the list of specifications.
Resolution*:0.001mm 
Graduation**: 0.01mm 
Flatness: 1µm for models up to 100mm 
1.6µm  for models over 100mm 
Parallelism: 4µm  for models up to 50mm 
(4+R/50)µmfor models up to 100mm
(5+R/75)µm for models over 100mm, R=max.
range (mm) 
Measurable module: 0.5-6 (0.7-11: models over 100mm) 
Display*: LCD
Battery*: SR44 (1 pc.), 938882
Battery life*: Approx. 1.2 years under normal use
*Digital models **Analog models

Function of Digital Model
Origin-set, Zero-setting, Data hold, Data output, inch/mm
conversion (inch/mm models) 
Alarm: Low voltage, Counting value composition error