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DO500-M is the 5-meter cable configuration of Apera’s DO500 polarographic dissolved-oxygen electrode. Select it for a supported DO500 meter system when the sampling point requires additional cable reach.
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DO502 is the inner-solution refill for the DO500 polarographic electrode family.
DO503 is the replacement membrane-cap pack for the DO500 polarographic electrode family.
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APERA INSTRUMENTS / DO500-M / AI4110-M
Compare the selected product with the related listings below. Check the application, connection and order contents before choosing.
Linked cards open current store listings. Other cards compare configurations; they do not imply current storefront availability.
The order identifies DO500-M with a 5-meter cable. The photographs show the DO500 family construction; the full cable length is not illustrated.
Match the meter’s DO500 replacement requirement and check cable routing before ordering. Do not infer a submersion-pressure rating solely from the length of the cable.
DO500 uses a polarographic sensing system with a replaceable membrane cap. The family design integrates temperature and salinity sensing and uses an 8-pin connection.
This is a different technology from the DO803 optical probe. A shared brand or similar connector does not establish interchangeability between polarographic and optical meter systems.
Follow the host meter procedure for polarization, calibration, membrane inspection and electrolyte maintenance. Keep bubbles away from the membrane and use the sample movement specified by the procedure.
DO502 refill solution and DO503 replacement membrane caps are separate maintenance parts. Do not assume the base short-cable kit’s spare-parts pack is included in every long-cable order.
Match the stated limits and configuration to your procedure. The Product Specifications tab repeats the order details for quick reference.
Apera SX716 Portable Dissolved Oxygen Meter Kit with DO500 Polarographic Probe
Apera DO503 Replacement Membrane Caps for DO500, 3-Pack | AI4113
Apera DO502 Inner Solution Refill for DO500, 30 mL | AI4112
DO500-M is the 5-meter cable configuration listed for this configuration.
No. DO500 is polarographic and uses a membrane/electrolyte sensing system.
Do not substitute it for an optical DO803 system. Confirm that the meter specifically supports DO500 polarographic electrodes.
The DO500 family uses an 8-pin connection. Exact meter compatibility is still required.
No. The image illustrates the DO500 family probe design; the ordered cable length is stated in the title and specifications.
Yes. DO503 membrane caps and DO502 refill solution are separate maintenance products for DO500 systems.
Follow the host meter instructions for polarization, calibration, membrane condition, electrolyte and sample handling before taking measurements.
No. Cable reach and rated immersion pressure are different specifications; confirm the deployment requirements separately.
Review the order contents and the required host meter and application before ordering. Contact Blue Tiger Scientific if you need help matching the part.
Manufacturer warranty support is subject to Apera’s terms for the specific product and the cause of the issue. Keep your purchase record and product identification for a support request.
For setup, compatibility or troubleshooting support, contact Blue Tiger Scientific with the model, order number and a description of the issue.
Contact Blue Tiger Scientific before returning a product. Return eligibility and instructions depend on the store’s applicable return policy and the condition of the item.
Document scope is shown on each card. A parent-meter manual or family handbook may describe other configurations and does not change the order contents on this page.
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