Analog Channel incl. calibration for AMT oxygen an Back Catalog number: 439015 Availability: In the manufacturer's stock Price on request - + Recommended 445500 Rod Held Current Meter RHCM 270 Price on request 439013 Conductivity Sensor type SST, max. depth 6.000met Price on request 443591 Visibility Disc acc. to Secchi, 3m steel rope, ma Price on request