Twin channel for differential gauging. Tolerance Indicator for accept/reject. Plus or minus polarity switch. RS-232 interface for data / print. Two metric ranges A) ± 200µm of LC 0.1µm. B) ± 2000µm of LC 1.0µm 

OPTIONAL (MUST) 

(A) Digital Electronic Probe/transducer TESA Swiss make for above Unit.

 (B) Suitable Holding stand for above Probe.