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Tachometer with Analog Output
3 Models
A2108: Basic Model
A2108-LSR: Basic Model with laser light source
A2108-LSR-RS232: Laser light source with RS232 output
The A2108 Non-Contact Tachometer converts RPM into an analog (voltage) output signal allowing you to use any Digital Multimeter, Data Acquisition System or Voltage Recorder as an RPM display. Optional Contact adapter allows you to measure contact RPM or surface speed.
The voltage output on theA2108-LSR Analogue Output version provides 1mv/rev = 6vdc @ 6000 rpm.
The A2108-LSR-232 version provides direct serial data output to your PC, a serial cable & a CD with Logging software is supplied with this model.
The A2108-LSR version is switched On manually, using the continuous mode feature. option, provided continuous measurement is taking place the Probe will remain in the ON mode. An Auto OFF feature provides shutdown if no activity is logged for 1 minute.
The A2108 comes supplied in a custom carrying case with AAA Batteries, Instruction Manual, Calibration certificate & reflective tape.
Speed ranges(A2108 / A2108-LSR)
Range I.
Range II.
A2108-LSR-232 |
100 - 6000 RPM
1000 - 60,000 RPM
100 - 60,000 rpm continuous |
Resolution(A2108 / A2108-LSR)
A2108-LSR-RS232 |
+/- 1.5mV
+/- 1 rpm |
Accuracy(A2108 / A2108-LSR)
A2108-LSR-RS232 |
+/- 0.5%
+/- 0.1% |
Optical Range(A2108)
A2108-LSR / A2108-LSR-RS232 |
50 - 1000mm
Up to 2m (6ft) |
Optical angle(A2108)
A2108-LSR / A2108-LSR-RS232 |
+/- 45 deg.
+/- 80 Degrees |
Light Source(A2108)
A2108-LSR / A2108-LSR-RS232 |
Tungsten Filament
Laser Class II 635nm |
| Range select |
Up Arrow = I.
Down arrow = II. |
| Carry Case |
Included |
| Contact Adapter |
Optional |
| Voltage Output |
-6 vdc Both Ranges |
| On Target ind. |
Green LED |
| Power |
4 x AAA batteries - supplied |
Connections
A2108
A2108-LSR
A2108-LSR-RS232 |
Coiled cable with 2 x 4mm plugs fitted
Binder connector + 1m cable
1m Cable + Serial plug |
| Mounting(A2108-LSR / A2108-LSR-RS232) |
Camera bush fitted |
| Zero offset(A2108-LSR) |
Max. 6mV Analogue version |
| Update time(A2108-LSR) |
Time of one rev
or 1millisecond |
| Controls(A2108-LSR) |
2 x Press to Measure buttons
One Continuous Mode button |
| Capture mode(A2108-LSR-RS232) |
0.1 sec |
| Controls |
On, Invert, Capture, Ratio(A2108-LSR-RS232) |
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