Norgau 0-300 мм 040005030 [3/12] Important

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I NORGAU SAFETY PRECAUTION To ensure operator safety use this instrument in conformance with the directions and specifications given in this User s Manual NOMENCLATURE STEP MEASURING FACES 1 Inside measuring jaws 2 Clamp screw 3 Slider 4 Depth bar 5 Main beam 6 Reference surface for depth measurement 7 Main scale 8 Vernier scale 9 Outside measuring jaws 10 Step measuring face READING MEASUREMENTS Measurement is obtained by adding the reading of the vernier scale to that of the main scale Take the vernier scale reading at the graduation which coincides with the one on the main scale Do not disassemble short circuit charge or heat the battery Otherwise it will cause battery explosion and bring harm If a battery is swallowed immediately consult a doctor The outside and inside measuring jaws of this caliper have a sharp edge Handle it with great care to avoid injury IMPORTANT The outside and inside measuring jaws of this caliper have a sharp edge Handle it with great care to avoid injury Do not measure the workpiece if it is rotating Risk of injury by being caught in the machine tool Before measuring wipe chi pping dust dirt off the slid ing surfaces measuring faces and graduated surfaces Before taking measurements with the vernier caliper make sure that zero lines of the vernier and main scales coincide when the jaws are closed and there is no slit observed between the jaws against the light Before taking measurements with the depth gage make sure that zero lines of the vernier and main scales coincide when the measuring face and reference surface are set even on a surface plate Do not use the vernier caliper on rotating workpiece this is dangerous and measuring faces will be worn out Apply clean oil to the sliding surfaces especially the reference surfaces Lack of oil may cause scratches on the critical surfaces resulting in unsmooth slider movements PRECAUTIONS Measuring force Do not apply excessive force to the workpiece Excessive measuring force will develop measurement error because of the positional deviations of the jaws Parallax error Take reading of the vernier main scales in a viewing direction perpendicular to the measured point of the scales Parallax error is caused when viewed in the direction of A If viewing in an oblique direction is not avoidable it is recommended to use parallaxfree vernier calipers Operation and maintenance manual

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