Main Parts

External View

1. Retainer screw

2. Model/serial number

3. Metal strap

4. Transducer

5. Stabilizer board

6. Pressure sensor

7. Temperature sensor

8. Positive charge

9. Negative charge

10. Water switch

11. Shoulder bolts

The serial number may also be written on a plate on the side of the housing.

  • Do not put foreign objects into depth sensor opening or try to open it.
  • Do not remove the shoulder bolts from the outside of the sensor
It may damage the components.
On the transducer, up and down sounders are written with the letters A (down) and B (up). On older sensors, down sounder is marked by a circle.