Current Meter Counter - Model CMC20A

The CMC20A is an enhanced version of our proven CMC20 which is used with the majority of propeller current meters. Being a self-contained instrument
featuring microprocessor control circuitry, a quartz time base and a high temperature liquid crystal display. The counter is powered by 6 x AA size alkaline batteries.
Battery voltage below 5.8 volts is indicated by the display of decimal points. An internal buzzer sounds at each contact closure during the timing period to indicate correct operation.
The display on the CMC20A gives continuous indication of the pulse count during the course of the reading period - and indicates with a resolution of 1 to a
maximum of 9999 counts.

Special points of interest:
- Accurate Timing - The Timer Starts At The First Contact Closure
- User Selectable Contact Debounce Time
- Counts up to 40 Pulses per Second
- Battery voltage displayed on power up
- High Temperature LCD Display
- Designed To USGS Specifications
- Robust Construction & Adjustable Neck Strap