Digital Tachometer with adjustable multiplier

Display

: 6 digit 7 segment Red LED display

Displayed RPM

: RPM of shaft x Scale Factor

Range

: 50000 RPM   for   1.00000 < Scale Factor < 9.99999

  5000.0 RPM  for   0.10000 < Scale Factor < 0.99999

  500.00 RPM  for   0.01000 < Scale Factor < 0.09999

  50.000 RPM  for   0.00001 < Scale Factor < 0.00999

Sensor

: Non-contact Proximity sensor to take 1pulse/rev from

  rotor

Sensor Supply

: +10V to drive proximity sensor

Scale Factor 

: User settable from 0.001 to 999.999

RPM resolution

: 000.001 RPM  for  0.00001 < Scale Factor < 0.00999

  0000.10 RPM  for  0.01000 < Scale Factor < 0.09999

  00000.1 RPM  for  0.10000 < Scale Factor < 0.99999

  000001  RPM  for  1.00000 < Scale Factor < 9.99999

Scale Factor Lock

: By rear jumper (open to lock) for preventing

  tampering with Scale Factor

Accuracy

: +/- 1 RPM in the range of 20 to 9999 RPM

Size   

: 48mm x 96mm

Depth 

 : 180mm

Supply

 : 220V AC ± 15%