SENTRY ST-722 Non-Contact Tachometer Laser Sighting Auto Ranging

FEATURES
· Non-Contact and Contact mode.
· Non-contact measurement up to 40 inches/100cm away from target.
· Laser sighting.
· Auto Ranging/Fixed Decimal.
· Tripod Mounting Bushing.
· 40 reading memories.
SPECIFICATIONS
Model Name ST722 ST723
Rotation Speed (non-contact) 6.0 ~ 99, 999 RPM (rev/min) 6.0 ~ 99, 999 RPM (rev/min)
Rotation Speed (contact) N/A 6.0 ~ 25, 000 rpm (rev/min)
Revolution Count N/A 1 ~ 99, 999 rev
Range of Surface Speed N/A 0.6 ~2, 500.0 M/M (m/min)
0.7 ~2, 734.0 Y/M (yard/min)
23.6 ~98, 425 I/M (inch/min)
2.0 ~8, 202.1 F/M (feet/min)
Lengh (cantact) N/A 0.1 ~9, 999.9 M (m)
0.1 ~10, 936 YD (yard)
0.3 ~32, 808 FT (feet)
Accuracy 6.0 ~ 5,
999.9 RPM: ± 0.01 % and ±1digit
6,
000.0 ~ 99,
999 RPM: ± 0.05 % and ±1digit 6.0 ~ 5, 999.9
RPM: ± 0.01 % and ±1digit
6,
000.0 ~ 99,
999 RPM: ± 0.05 % and ±1digit
Surface speed,
Length: ± 0.5 % and ±1digit
Detection Laser Diode
Resolution 6.0 ~ 9,
999.9 RPM: 0.1RPM
10,
000 ~ 99,
999 RPM: 1RPM
Memory 40 Point
Dimensions 147x49x29 mm ( 5.79" x 1.93" x 1.14" ) 182x49x29 mm ( 7.17" x 1.93" x 1.14" )
Include contact adapters.
Weight 95 g ( 3.35 oz. ) without battery 95 g ( 3.35 oz. )without battery,
Contact adapter: 50 g ( 1.76 oz. )
Accessories 9V battery, Instruction manual, Cone adapter (723),
Funnel adapter (723), Contact adapter (723),
Master Wheel (10cm) (723), Re ective tape 15x525mm ( 0.59" x 20.67" ),
Carrying case, Box