OXPB-11 is an oxygen probe for DO-5510, DO-5511, DO-5519, DO-5510HA, PDO-520 and DO-5512SD meters. The probe output has a 4-pin DIN plug. The probe cable is 4m long.
Optional accessories:
DO probe fill electrolyte, OXEL-03.
DO probe membrane kit, OXHD-04.