Рис. 1. Connection diagrams of electrodes to the primary transducer PT — remote primary transducer of pH meter
Comb.el — combined electrode
G — grounding electrode;
Rt — temperature sensor
Figure 2. Connection diagrams Resistance thermometer (Temperature sensor Rt) a) - two-wire; b) - three-wire.
Figure 3. Diagram of external connections PT — remote primary transducer of pH meter
MI — Measuring instrument pH-4110
Figure 4. Connecting pH-meters to Modbus local network