Specification :

1. Counting in both directions ( Left or right) .
2. Divider from 1 to 10 ( up to 19upon request) .
3. Totalize mode counting.
4. Pre-set mode counting ( with an audible signal when the desired components number is reached) .
5. Calibration test and self diagnostic procedure.
6. Lest counting value and condition memory.
7. External detector input