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AI7103 is the supported meter 8-pin to BNC/RCA pH-electrode converter.
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APERA INSTRUMENTS / AI7103
AI7103 lets supported Apera 8-pin meters, including the pH-capable 400 and 400S families, use compatible BNC/RCA pH electrodes. It is a connection accessory, not a sensing electrode or a universal probe adapter.
The 8-pin end connects to a supported meter. The BNC/RCA sockets accept the compatible pH electrode setup, including suitable LabSen configurations.
Apera limits this converter to pH electrodes. An 8-pin plug or a meter with several measurement modes does not make every probe compatible.
AI7103 serves supported 8-pin meters using BNC/RCA pH electrodes. AI7112 is a separate pocket-tester connection accessory; choose by the complete meter and electrode pairing.
Connection example only. The PH400S meter, pH electrode and temperature probe are sold separately.
CURRENT ITEM: AI7103
These are selected related products, not extra items supplied by this accessory. Match the exact host, sensing role and operating limits before ordering.
Related workflow
A supported host example; select the exact electrode and temperature configuration.
Alternative format
Different purpose: AI7112 is the 60/60-Z pocket-tester adapter, not this BNC/RCA pH converter.
Use a confirmed BNC/RCA LabSen pH electrode with a supported 400/400S meter when the sample requires a different pH sensor. Select the electrode for the sample and operating conditions.
PH400S is the example shown in Apera’s connection photograph. The pictured meter, electrode and temperature probe are not included with this converter.
Before ordering, provide the complete meter model and pH electrode model so the connection and temperature pairing can be checked.
Follow the applicable host and electrode instructions for assembly, preparation and calibration. No adapter-specific waterproof rating is claimed.
For product support, warranty information or return authorization for AI7103, contact Blue Tiger Scientific before sending an item.
It connects a compatible BNC/RCA pH electrode setup to a supported 8-pin meter. Apera identifies 400 and 400S meter families as examples.
PH400S is the manufacturer’s pictured connection example. Confirm the exact pH electrode and temperature configuration before ordering; the converter is not a universal compatibility guarantee.
Do not choose by the BNC connector alone. Confirm the electrode, temperature-sensor requirements and meter support for the complete setup.
No. Apera explicitly restricts AI7103 to pH electrodes, even if the meter itself supports other measurement modes.
No. AI7112 has the separate pocket-tester connection role. AI7103 is for supported 8-pin meters using BNC/RCA pH electrodes.
No. This order supplies one AI7103 converter. The meter, pH electrode and separate temperature probe shown in the example are not included.
Not for every combination. Temperature sensing must match the meter and electrode configuration. The converter does not independently establish ATC compatibility or extend the host’s operating range.
Use the instructions for your exact host and electrode. The full 400S-series manual below is a host reference, not an AI7103 installation manual or an adapter-specific specification sheet.
Each whole card opens the complete official PDF. Parent-meter and regional documents are labelled by scope; do not transfer a host’s specifications or warranty to a separately supplied accessory.
Complete official host-family manual covering PH400S, EC400S and PC400S. Reference for host operation only; AI7103 remains pH-only, and host ratings or warranty do not transfer to this converter.
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