The Thermo Orion Dissolved Oxygen BOD Probe greatly simplifies the routine measurement of dissolved oxygen, particularly biochemical oxygen demand (BOD). The polarographic electrode allows dissolved oxygen concentration to be read directly in parts per million on any pH meter, eliminating the need for a dedicated readout meter.

When used with your standard pH meter, the Orion 970899WP Oxygen electrode provides a convenient interface for measuring biochemical oxygen demand (BOD). Built-in circuits convert the output to a signal that can be read by most pH meters. Standardization is fast and easy using water-saturated air or a chemical standard. An overflow funnel for use in BOD bottles allows measurements to be made in the same bottle before and after incubation.

Maintenance is easy with the pre-assembled membrane/electrolyte module. There are no membranes to cut or solution to pour. Each Orion 970899WP is packaged complete with two membrane/electrolyte modules, overflow funnel with built-in stirring bar, and batteries.

Features:

• Polarographic O₂ sensor plus solid-state circuitry in probe top; converts current to voltage for direct DO readout

• Plug probe into benchtop or portable pH meter, read DO over 0 to 14ppm range

• Accuracy, ±0.05ppm/2% of reading, whichever is greater, at 15° to 35°C (59° to 95°F) (sample temperature within 10°C of calibration temperature)

• Dual thermocompensator corrects for membrane permeability and O₂ solubility

• Ideal for BOD testing: overflow funnel supplied fits 300mL BOD bottle; built-in magnetic stir bar

• Responds to 96% of change in <30 sec.; O₂ consumption 0.1μg/hr.

• Screw-on membrane/electrolyte module; no membrane replacement — simply replace module after 3 months of use

What's in the Box:

• (1) Dissolved oxygen/BOD probe

• (2) Pre-filled cap membrane modules

• (1) Overflow funnel with built-in stirring bar

• (1) Set of batteries

Brochure/Datasheet

Instruction manual

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