Technical Data:
Series: 544
Model: LSM-6902H
Type: inch/mm
Applicable standards: IEC, FDA
Measuring range: 0.1 to 25 mm / 0.004 to 1.0 in
Resolution: 0.01 to 10 um selectable / 0.000001 to 0.0005 in
Repeatability, whole range: +/-0.045 um / +/-0.0000018 in at Dia.25 mm
Repeatability, narrow range: +/-0.03 um / +/-0.0000012 in at Dia.10 mm
Linearity at 20 degC, whole range: +/-0.5 um / +/-0.000020 in
Linearity at 20 degC, narrow range: +/-(0.3 + 0.1 D) um / +/-(0.000012 + 0.01 D) in
Positional error: +/-0.5 um / +/-0.000020 in
Measuring region: +/-1.5 mm x 25 mm / +/-0.006 x 1.0 in
Scanning rate: 3200 scans/s
Laser wavelength: 650 nm visible
Laser scanning speed: 226 m/s
Operating environment: 0 to 40 degC; RH 35 to 85%, non-condensing

Content:
LSM-6902H measuring unit
6900 display unit

Display Unit:
Display: 16-digit plus 11-digit fluorescent display and guide-message LED
Segment: 1 to 7, including 1 to 3 transparent, or 1 to 255 edges
Averaging: Arithmetic 2 to 2048 scans; moving 32 to 2048 scans
Judgment: Target value + tolerance; lower + upper tolerance; or 7-class multilimit zone
Measurement mode: Standby; single; continuous
External dimensions: 335 W x 134 H x 250 D mm
Power: 100 to 240 V AC +/-10%, 30 W, 50/60 Hz
Standard interface: RS-232C; analog I/O
Optional interface: 2-channel Digimatic code; second I/O analog; BCD
Functions: Nominal setting; sample setting; unnecessary-digit suppression; transparent-object measurement; automatic edge-mode measurement; output timer; abnormal-data elimination; SHL change; group judgment; simultaneous measurement; statistics; mastering; buzzer; automatic workpiece detection; zero-set / offset

Application:
High-accuracy laser scan micrometer for precision outside-diameter measurement of pin gages, plug gages and similar components.

Dimensions:
Measuring unit: Dia.3.1; minimum cable space 70; 10.5; 7; 56; 70; 35; 25; 5; 8; 50; 170; 15.5; 90; 200; 420; 70; 190; 70; 90; 74; 11; 3; measuring position 120; 100; 60; 50; 8 x M3; 22; 15 mm.
Display: 335 W; 134 H; 281.4; 13; 121; 225; 80; 13.5; 25; 125; cable space; approx. 12 deg.

Remark:
Repeatability is +/-2 sigma under the specified 2048-scan test condition. D is the difference in diameter between master gage and workpiece.

Optional:
02AGD180: Standard calibration gage set, Dia.1 and Dia.25
02AGD270: Workstage
02AGD280: Adjustable workstage
02AGC840: 2-channel Digimatic code output
02AGC880: Second I/O analog interface
02AGC910: BCD interface
02AGD600B: Printer and cable set, 120 V AC C-type plug
223663: Printing paper TP411-28CL, 10 pcs
937179T: Foot switch