NexSens Plug Connections for SonTek Current Meters
In the event of connecting a NexSens UW8 connector into an external device that is not an X2 data logger, below is the pinout of the NexSens UW8 connector, along with the pins associated with the communication, ground, and power signals.
Figure 2: NexSens UW8 plug pinout.
| NexSens UW8 Plug Pin Number | Signal |
| 1 | RS232 Tx* |
| 2 | Ground |
| 3 | RS232 Rx* |
| 5 | 12V+ |
| 6 | SDI-12 |
*RS232 signals are used to communicate with the sensor in the SonTek SL software to adjust settings and set the channel configuration.