Fisherbrand Accumet 13-620-AP52 Gel Epoxy Body pH/ATC Electrode
The Fisherbrand Accumet 13-620-AP52 is a gel-filled, epoxy-body pH/ATC combination electrode with a double-junction reference design. Fisher Scientific documentation identifies the AP52 configuration with a BNC/Mini-Phone waterproof ATC connector and describes it as a three-in-one probe combining pH measurement with automatic temperature compensation. The electrode is intended for compatible accumet meters and is useful when a laboratory needs a single probe for electrochemical measurement and temperature sensing.
Key Features
- 13-620-AP52 catalog number.
- Gel-filled reference system with epoxy body.
- Double-junction combination electrode.
- Integrated automatic temperature compensation.
- BNC/Mini-Phone ATC-WP connector configuration.
- Universal glass pH membrane and Ag/AgCl internal reference.
Technical Specifications
- Catalog Number: 13-620-AP52
- Electrode Type: pH/ATC combination electrode
- Junction: Double
- Body Material: Epoxy
- Filling Solution: Gel
- pH Range: 0?14
- Operating Temperature: -5 ?C to +80 ?C
- Connector: BNC/Mini-Phone ATC-WP
- Internal Reference: Ag/AgCl
Applications
Laboratory pH measurement, water-quality testing, field-oriented electrochemical work, and measurements with compatible accumet instruments. The combination design can simplify sample testing by integrating pH and temperature-compensation functions in one probe, particularly where samples or measurement locations make separate sensors inconvenient.
Workflow Context
An electrode such as the 13-620-AP52 forms the sensing interface between the sample and the pH meter. The probe is connected to a compatible instrument, immersed according to the instrument and electrode instructions, and used to obtain a pH value with temperature compensation. Manufacturer specifications describe the electrode design; they do not establish the condition of an individual used electrode.
The integrated ATC element is useful when sample temperature can influence pH response or when the laboratory method requires temperature-compensated readings. Fisher Scientific also identifies the AP52 configuration for compatible AP-series meters, so the instrument connection should be verified before installation.
Additional Benefits
- Local pickup available in Houston, Texas.
- Free shipping on select products within the USA.
- International shipping via FedEx available upon request.
Fisherbrand Accumet 13-620-AP52 pH/ATC Electrode





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