Milwaukee MA815D/1 Lab Grade EC/TDS/NaCl/Temp Replacement Probe
The MA815D/1 Conductivity (EC)/ Total Dissolved Solids (TDS) / NaCl / Temperature probe is designed for use with the Milwaukee MW306 MAX Conductivity/TDS/NaCl/Temp Meter.
It comes with a 1-meter (3') cable and a DIN connector. Meter(s) sold separately.