Technical Data:
Digital non-rotating spindle inside micrometer
Range: 150-3150mm
Micrometer head range: 150-180mm/6-7in
Resolution: switchable 0.0005mm/0.00002in, 0.001mm/0.00005in, 0.01mm/0.0005in
Micrometer head accuracy: +/-4um
Repeatability: 1um
Micrometer head weight: 275g
Measuring force: 5-10N
Non-rotating spindle
Spring-loaded point range: 1.5mm
Max./min. value tracking
Data output
Button functions: mm/inch, max./min. value tracking, preset value, hold, on/off, zero
CR2032 battery
Automatic power off; turn sleeve to turn on
Extension rods: 25mm, 50mm, 100mm, 200mm (2 pcs), 400mm, 1000mm (2 pcs)
Extension rod 25mm accuracy: +/-1.25um, weight 37g, steel
Extension rod 50mm accuracy: +/-1.25um, weight 65g, steel
Extension rod 100mm accuracy: +/-2um, weight 113g, steel
Extension rod 200mm accuracy: +/-3.5um, weight 208g, steel
Extension rod 400mm accuracy: +/-4.5um, weight 402g, steel
Extension rod 1000mm accuracy: +/-7.5um, weight 909g, carbon fiber

Dimensions:
Micrometer head drawing: dia.8mm; 150mm; dia.26mm; dia.16mm
1000mm carbon-fiber rod: length=1000mm; diameter=dia.31mm; thread=M12x1
25-400mm extension rods: thread=M12x1; diameter reference=dia.16.5mm

Remark:
1m carbon fiber extension rod: light weight, no deformation
Carbide measuring faces; extension-rod points are spring loaded
Optional wireless transmitter: 7315-80, receiver required
Optional accessories: gauge block accessory 6881, cylinder gauge block 4001, caliper/height gauge checker 6884
Supplied with manufacturer inspection certificate