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2-2 Electrical Specification ( 23 ±5℃ )
Photo Tachometer
Measurement
& Range
Resolution
Accuracy
Photo
Tachometer
detecting
distance
Contact Tachometer
Measurement
& Range
Resolution
Accuracy
NOTE: When using test wheel, accuracy can be affected as much as 0.5% of reading.
Photo Tachometer :
5 to 99,999 RPM.
RPM:
0.5 RPM ( < 1,000 RPM ).
1 RPM ( ≧1,000 RPM ).
±( 0.05% reading+ 1 digit ).
50 to 150 mm/2 to 6 inch. (typical
max. 300 mm/12 inch, depending
upon ambient light).
* Spec. of detecting distance are that
under the size of reflecting tape is
10 mm square & the measuring
RPM value is 1,800 RPM. The max.
& min. detecting distance may
change under different
environment, different reflecting
tape or the measuring RPM
beyond 1800 RPM.
Contact Tachometer :
0.5 to 19,999 RPM.
CONTACT (RPM):
0.5 RPM (< 1000 RPM ).
1 RPM ( ≧ 1,000 RPM ).
SURFACE SPEED (m/min.):
0.05 m/min. ( < 100 m/min. ).
0.1 m/min. ( ≧100 m/min. ).
SURFACE SPEED (ft / min.):
0.1 ft / min. ( < 1,000 ft/min. ).
1 ft / min. (≧ 1,000 ft/min. ).
SURFACE SPEED (in./min.) :
0.1 in./ min. ( < 1000 in./min.).
1 in. /min. ( ≧ 1,000 in./min.).
±( 0.05% reading+ 1 digit ).
3
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