MS921B – RPM counter
Marble Automation’s MS 921B RPM counter accurately measures RPM for propellers and other rotating parts. Its LED display shows RPM and rotation direction, making it versatile for winches, pumps, and bow thrusters.
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More about the MS921B – RPM counter
Marble Automation developed the MS921B RPM counter to count the number of revolutions of a propeller or other rotating parts. The LED display clearly shows the number
of revolutions per minute. The LEDs also show the direction of revolution of the propeller. The MS 921B can be applied in a wide range of situations. The rpm of a winch, (dredging) pump or bowthruster can all be measured.
Advantages
- Clear and accurate 4 digit display of the number of revolutions per minute
- Indication of direction of revolution of the propeller
- Relay output that switches automatically after a predetermined number of revolutions per minute
- Compact design resulting in a easy installation and configuration
Features
- Dimensions: 96x72x75 (WxHxD)
- Cut out: 92×68 (WxH)
- Power supply: 24VDC
- Output: 1 relay
- Input: 2 proximity switches
- RS485 NMEA interface
- Sensors exlude
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