Error limit: from 0 to 100mm is 20μm, from 100 – 300mm is 30μm.
Full range accuracy: ± 0.03 mm.
External clamping depth: 50mm
Minimum narrowness of inner jaw: 19 mm
Depth gauge cross section: rectangular.
Meets standards: DIN 40050/ IEC 60529.
Protection class: IP67.
1x3V battery, type CR2032.
Data connection standards: RS-232, USB proximity.
Operating temperature: +5 oC to +40 oC
User manual
The ruler automatically goes into sleep mode to save power after 20 minutes of non-use. When the ruler is slid back and forth, the power will automatically turn on.