Technical Data:
Series: 182
Product type: Working Standard Scale
Range: 250 mm
Graduation: 1 mm
Accuracy at 20 deg C: (1.5+2L/1000) um, L=measured length in mm
Glass material: Sodium glass
Thermal expansion coefficient: 8.5 x 10^-6/K
Graduation thickness: 100 um
Mass: 0.55 kg

Application:
Checking magnification accuracy of profile projectors and microscopes and table-feeding accuracy of measuring equipment.

Dimensions:
Overall length L=280 mm