Fluke BT521ANG battery analyzer
The Fluke BT521ANG is a handheld instrument for troubleshooting, maintaining, and inspecting stationary battery systems. It is used to assess whether a battery string is still performing as it should, without guesswork. It provides measurements of the battery's internal resistance and DC voltage, and can also measure AC voltage, AC current, ripple voltage, and frequency.
This makes it relevant for systems where batteries are used as backup. By measuring voltage, resistance, and changes over time, it becomes easier to detect weak cells, poor connections, and changes in battery condition before they lead to breakdowns.
The BT521ANG also supports sequence measurement and discharge measurement. In practice, this means that work can be organized more systematically, allowing measurements to be stored and compared in a clear manner. The instrument can store up to 100 profiles, and each profile can accommodate up to 450 batteries, which is a clear advantage if you work with many identical battery systems.
This version comes with angled test probes. This makes it easier to access tight installations and other places where straight probes take up too much space. For a technician in operations or service, it is often precisely such a detail that saves time during measurement.
In terms of safety, the instrument is rated CAT III 600 V and up to 1000 V DC for measurement, so it can be used in environments with high voltage levels within the parameters for which it is designed.
You can read more here:
See datasheet from the manufacturer
Specifications
- Model: Fluke BT521ANG
- Article number: 5104765
- Measures battery's internal resistance and DC voltage
- Can also measure AC voltage, AC current, ripple voltage, and frequency
- Supports sequence measurement and discharge measurement
- Can store up to 100 profiles
- Each profile can accommodate up to 450 batteries
- Angled test probes included
- Safety class: CAT III 600 V
- Maximum measurement voltage: 1000 V DC
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