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Portable Dissolved Oxygen Meter Hach Crison OXI 45 Model

Fiyat Sorunuz

Professional portable oxygen meter with microprocessor control, atmospheric pressure compensation, and polarographic sensor — now discontinued, replaced by DO6 model

  • Dust and water resistant housing for field durability
  • Microprocessor-controlled measurement and calibration
  • Automatic atmospheric pressure compensation
  • Salinity and temperature compensation
  • Polarographic oxygen sensor with enhanced accuracy
  • 5-year manufacturing warranty
  • Auto shut-off feature for battery conservation
  • TÜV and ISO 9001 quality certified
  • 3-meter cable length for flexible positioning
  • Gold cathode and lead anode electrode assembly
  • FEP membrane material for chemical resistance
  • Maximum operating pressure: 1 bar

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The Hach Crison OXI 45 is a rugged, microprocessor-controlled portable oxygen meter designed for field measurements of dissolved oxygen concentration and saturation in aqueous solutions. Built to withstand harsh environmental conditions, this instrument features automatic temperature and salinity compensation, atmospheric pressure correction, and a specialized polarographic oxygen sensor for accurate readings. The device offers measurement ranges from 0–250% saturation and 0.0–20 mg/lt concentration with operating temperatures from 0–40°C. Constructed with a gold cathode/lead anode electrode assembly and FEP membrane material, it delivers reliable performance in laboratory and field applications. Five-year manufacturing warranty included. TÜV and ISO 9001 certified.

Technical Specifications

Saturation Measurement Range 0 … 250 %
Concentration Measurement Range 0.0 … 20 mg/lt
Temperature Measurement Range 0.0 … 50 °C
Oxygen Concentration (reference) 0 … 50 mg/lt O2 at 20 °C
Operating Temperature 0 … 40 °C
Maximum Pressure 1 bar
Electrode Type Gold cathode, lead anode
Membrane Material FEP (Fluorinated Ethylene Propylene)
Cable Length 3 m
Warranty 5 years (manufacturing defects)
Certifications TÜV, ISO 9001
Catalog Number 4551

Applications

  • Aquaculture and fish farming oxygen monitoring
  • Water quality assessment in natural water bodies
  • Wastewater treatment facility monitoring
  • Laboratory dissolved oxygen analysis
  • Environmental and ecological surveys
  • Industrial process water quality control
  • Research and field studies
  • Compliance monitoring for regulatory standards

Frequently Asked Questions

Is the OXI 45 still available for purchase?
No, the OXI 45 model has been discontinued by the manufacturer. The updated replacement model is the DO6 (Sension+ DO6), which offers improved features and performance. We recommend considering the DO6 for new applications.
What sensor technology does the OXI 45 use?
The OXI 45 employs a polarographic oxygen sensor with a gold cathode and lead anode electrode assembly, combined with an FEP membrane for reliable dissolved oxygen measurement in aqueous solutions.
Does the meter compensate for temperature and salinity?
Yes, the OXI 45 features automatic temperature compensation and salinity correction, as well as atmospheric pressure adjustment, ensuring accurate measurements across varying field conditions.
What are the measurement capabilities?
The meter measures saturation (0–250%), dissolved oxygen concentration (0.0–20 mg/lt), and solution temperature (0.0–50°C) with operating temperatures from 0–40°C.
Is the OXI 45 suitable for field use?
Yes, it is designed as a portable field instrument with dust and water-resistant construction, making it suitable for aquaculture, environmental surveys, and remote water quality monitoring with its 3-meter cable.