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The Apera 301DJ-CG is a BNC combination ORP electrode with a gold sensing needle and double-junction design for laboratory and in-line testing of aqueous samples.
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222 mV ORP standard is the catalogued check/calibration solution for this ORP head/electrode.
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APERA INSTRUMENTS / 301DJ-CG / AI1323
The Apera 301DJ-CG is a BNC combination ORP electrode with a gold sensing needle and double-junction design for laboratory and in-line testing of aqueous samples. Use it when the method calls for a gold redox sensor.
Confirm the method calls for a gold sensor and the meter accepts a BNC ORP electrode. ORP indicates redox potential; it does not directly quantify a specific chemical concentration.
Check the sensing method, connector and temperature requirements before ordering. A connector that fits does not by itself establish compatibility.
Linked cards open current store listings. Other cards compare configurations; they do not imply current storefront availability.
One 301DJ-CG gold combination ORP electrode. Compatible ORP meter and checking solution are separate.
The 301DJ-CG uses a Ø1 × 5 mm gold sensing needle. The related 301DJ-C uses platinum; the sensor material is a method-selection decision, not a cosmetic difference.
Apera specifies ±2000 mV and 0–80°C. ORP is the potential of the sample’s redox system; it does not directly quantify free chlorine or a single chemical concentration.
Use an ORP-capable meter that supports this BNC combination electrode. Confirm any host-specific requirements before replacing an installed probe.
The electrode is listed for laboratory and in-line testing of water solutions. Installation and method requirements still determine whether it suits a particular process.
Use the meter’s ORP-check procedure and a suitable checking solution. Keep the sensing surface and reference junction clean according to the electrode instructions, then allow the reading to stabilize.
For handling support, see 602 flexible electrode holder. The holder is a separate accessory.
Use the complete Product Specifications tab to verify the measurement range, temperature limit, connector and order details against your application.
602 holder — separate electrode support 601 stirrer with holder — sample mixing and support
Oxidation-reduction potential in mV with a compatible ORP meter.
A gold needle measuring Ø1 × 5 mm.
301DJ-CG uses a gold needle; 301DJ-C uses a platinum needle. Select the sensor material required by your method.
The catalog specifies ±2000 mV.
0–80°C (32–176°F).
BNC. Confirm your meter supports ORP measurement and the electrode configuration.
No. ORP is a redox potential and is affected by sample chemistry; it is not a direct chlorine concentration result.
No. One electrode is supplied; order the compatible meter and checking solution separately.
Review 301DJ-CG AI1323 against your measurement method, sample limits and host connection. Return to the price and ordering controls when the configuration fits your work.
Manufacturer warranty coverage is subject to Apera’s terms for this exact product. Contact Blue Tiger Scientific for help confirming coverage or submitting a manufacturer warranty inquiry.
For technical support, provide the manufacturer part number, meter model and a description of the issue. Blue Tiger Scientific can help coordinate product selection and manufacturer support.
For a return request, contact Blue Tiger Scientific before sending the product back. Eligibility and any authorization requirements follow the applicable store return policy; manufacturer warranty service and store returns are separate processes.
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