Mechanical Flow Meter Back Catalog number: 438110 Manufacturer: HYDRO-BIOS Availability: In the manufacturer's stock Price on request - + Recommended 439015 Analog Channel incl. calibration for AMT oxygen an Price on request 443591 Visibility Disc acc. to Secchi, 3m steel rope, ma Price on request 439016 Pressure Sensor max. depth 3.000metres (or to be Price on request