pH electrodes connect to pH meters and transmitters via BNC connectors. The high-impedance glass electrode produces a millivolt output varying with pH that must be measured with a very high input impedance amplifier.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | Center | pH glass electrode high impedance signal | ADC |
| 2 | Outer Shell | Reference electrode ground | GND |
pH electrodes connect to pH meters and transmitters via BNC connectors. The high-impedance glass electrode produces a millivolt output varying with pH that must be measured with a very high input impedance amplifier.