Applications：
It is one of the basic length-measuring instruments for metrological departments. It is applicable for both direct and comparative measurements of outer and inner dimensions of workpieces such as parallel planes, spheres, cylinders and bores. By using various accessories, it can be used for special measurements, such as pitches of male threads and female threads.
Main Specifications：

Measuring range Outer measurement 0-500 mm
Inner measurement 1-200 mm
Male thread ≤180 mm
Female thread 16-140 mm
Direct
0-100mm

Division
0.001mm

Instrument error
Outer ±(1+L/200)µm

Inner ±(1.5+L/200)µm

Instability
≤0.4µm

Dimensions
95x39x49 cm

Weight
85 kg

Standard attachments
Internal measurement device
Magic eye device

Standard ring gauge

Male thread measuring device

Female thread measuring device

Variety of measuring heads and contact tips