The Milwaukee MA851D/1 is the replacement pH/EC/TDS/Temp Probe for Mi805 & Mi806 portable pH/EC/TDS/Temp meters. The MA851D/1 has a rugged body (PVC) designed to take hits, comes with a 1 meter (3′) cable, DIN connector and can withstand up to 1 bar of pressure (meter(s) sold separately).
The probe connects quickly and tightly with a screw on DIN. No worries of slipping off.