Promax MR-275 Manual De Usuario página 14

1.1 Specifications
Measurement & Range:
Photo Tachometer :
Contact Tachometer :
Surface Speed :
Resolution:
RPM:
m/min.:
ft/min.:
Display:
Accuracy:
Photo Tachometer
Detecting distance:
* Spec. of detecting distance are that under the size of reflecting
tape is 10mm 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 1,800 RPM.
Time base:
Circuit:
Page 2
5 to 99,999 RPM.
0.5 to 19,999 RPM.
m/min. — 0.05 to 1,999.9 m/min.
ft/min. — 0.2 to 6,560 ft/min.
0.1 RPM ( < 1,000 RPM ).
1 RPM ( ≥ 1,000 RPM ).
0.01 m/min. (< 100 m/min.)
0.1 m/min. ( ≥ 100 m/min.)
0.1 ft/min. (<1,000 ft/min.)
1 ft/min. ( ≥ 1,000 ft/min.)
LCD, size 60 mm x 30 mm.
5 digits (99,999 count).
± (0.05 % + 1 digit)
5 to 100 cm typically.
Quartz crystal.
Exclusive one-chip of microcomputer
LSI circuit.
USER'S MANUAL MR-275
01/2016