Pressure Sensor max. depth 3.000metres (or to be Back Catalog number: 439016 Availability: In the manufacturer's stock Price on request - + Recommended 443590-001 Spare Rope for Visibility Disc acc. to Secchi Price on request 439011 Temperature Sensor -2 to + 32°C, max. depth 6.000 Price on request 438115 Mechanical Flow Meter with back-run stop Price on request