Pressure Sensor max. depth 3.000metres (or to be Back Catalog number: 439016 Availability: In the manufacturer's stock Price on request - + Recommended 439013 Conductivity Sensor type SST, max. depth 6.000met Price on request 445515 Rod Held Current Meter RHCM Price on request 450536 Oxygen Sensor OxyGuard Ocean D.O. Probe Price on request