Honeywell Dissolved Oxygen Analyzer and Probes Please see the DirectLine DL424 and 425 or the UDA2182 for a suitable replacement. Type Description Size Catalog Section: Analytical Instruments and Systems 3.5MB Honeywell 7020 Dissolved Oxygen Analyzer/Controller Product Manual 4.4MB Honeywell DL5000 Dissolved Oxygen Probes Product Manual 362KB