| Speed ranges A2108 / A2108-LSR: | Range I: 100 - 6000 RPM Range II: 1000 - 60,000 RPM |
| Speed ranges A2108-LSR-RS232 | 100 - 60,000 rpm continuous |
| Resolution A2108 / A2108-LSR A2108-LSR-RS2 | +/- 1.5mV +/- 1 rpm |
| Accuracy A2108 / A2108-LSR A2108-LSR-RS232 | +/- 0.5% +/- 0.1% |
| Optical Range A2108 A2108-LSR(-RS232) | 50 - 1000mm Up to 2m (6ft) |
| Optical Angle A2108 A2108-LSR(-RS232) | +/- 45 degrees +/- 80 Degrees |
| Light Source A2108 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 Indicator | Green LED |
| Power | 4 x AAA batteries (included) |
| Connections A2108 A2108-LSR A2108-LSR- | Coiled cable with 2 x 4mm plugs fitted Binder connector + 1m cable 1m Cable + Serial plug |
| Mounting | Camera bush fitted |
| Zero offset | Max. 6mV - Analogue version (A2108-LSR) |
| Update time | Time of one revolution or 1 millisecond (A2108-LSR) |
| Controls | 2 x press to measure buttons, one continuous mode button (A2108-LSR) |
| Capture mode | 0.1 sec (A2108-LSR-RS232) |
| Controls | On, Invert, Capture, Ratio (A2108-LSR-RS232) |