Technical parameter:
1. Bar pitch: 0.02mm(25 line pairs/mm)
2. Distinguishability: 0.0005mm, 0.001mm, 0.005mm, 0.01mm
3. Output signal: (1) TTL square wave
(1) HTL square wave(12V15V24V)
(2) EIA-422-A signal
(3) Sinusoidal voltage signal 1Vpp
(4) Sinusoidal current signal 11uApp.

4. Measuring range: Optional within 30m
5. Precision: +-0.003mm, +-0.005mm, +-0.008mm, +-0.01mm(20° 1000mm)
6. Reference mark: Space of 50mm, 200mm, setting an absolutely positioned point of reference optioanlly at a full scale.
7. Working temperature: 0° --45° C
8. Response speed: 30m/min, 60m/min, 120m/min
9. Storage temperature: -40° -- -55° C.