329 Series Digimatic Depth Micrometers

The six rods are adjustable in either direction for calibration and wear compensation.
Base length: 100mm.
Rod: diameter 4mm.
Measuring length per rod: 1"/25mm.
Power supply: battery 1x SR44
Order Code PAN- 904-5020K supplied.

Accuracy:
Flatness of reference face (base): 2µm.
Flatness of measuring face of rod: 0.3µm.
Parallelism between reference face and measuring face: (4+L/50)µm (fraction rounded up).
Zero point error of rod: ±(2+L/75)µm (fraction rounded up).
Instrument error: ±3µm.

Resolution: 0.001mm/0.00005"