9438

Low and High Level Dissolved Oxygen Monitor

The 9438 accurately measures the levels of dissolved oxygen in process feed water. It has been designed specifically for on-line use in steam-raising and desalination plants and semiconductor water treatment. The 9438 is an accurate, automatic, reliable instrument that requires no maintenance and can be customer-programmed to monitor dissolved oxygen between the ranges 0 to 20µg/kg and 0 to 20 mg/kg. The 9438 comprises a transmitter, a liquid handling system with environmental enclosure and a 24V DC power supply for the calibration solenoid valve.
  • Monitors both high and low dissolved oxygen concentrations
  • Fast response
  • Automatic calibration reduces manual operation
  • Thermal protection protects the sensor in the event of cooling water failure
  • Disposable sensor and no routine maintenance
  • Comprehensive diagnostics

Documentation and downloads

Brochure
First for Liquid AnalysisEnglish
0.51 MB
Certificate
EMC Certificate of Conformity - 9437 and 9438 Low and High Level DO MonitorsEnglish
0.40 MB
Data sheet
Low and High Level Dissolved Oxygen Monitor Model 9438English
0.32 MB
Information
Converting from 9435 Transmitter to a 9438 TransmitterEnglish
0.06 MB
High Readings at Low Dissolved Oxygen ConcentrationsEnglish
0.04 MB
Manual
ABB Water Analyzers 4670, 8037, 8230 Series, 8240 Series, 9438 & 9439English
1.19 MB
Automatic Range Change Facility for SP80 SoftwareEnglish
0.03 MB
Low and High Level Dissolved Oxygen Monitor 9438English
0.83 MB
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