The Fluke BTL21 probe kit, designed for use with Fluke's 500 series battery analyzers, is an advanced set that includes intelligent probes with an internal display.
This model, featuring a built-in IR temperature sensor at the probe tip, enables measurement of the negative terminal battery temperature alongside voltage and internal resistance measurements.
The LCD display, three-color status light (Pass/Warning/Fail), and battery ID counting sound facilitate the testing process and reduce human errors.
This kit is supplied with long and short attachments to allow engineers to easily access battery cells in tight spaces.
Its primary application lies in UPS systems, data centers, and backup power systems where accurate battery monitoring is critically important.
🔹 Key Features of Fluke BTL21
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Infrared (IR) temperature sensor for measuring battery terminal temperature
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Internal LCD display for data viewing
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Three-color light for quick performance status indication
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Battery ID counting sound capability
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Long and short probe attachments for better access
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Automatic data storage with Save button
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Ergonomic design suitable for industrial environments
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Compatible with Fluke 500 series battery analyzers
🔹 Technical Specifications of Fluke BTL21
| Feature | Value |
|---|---|
| Model | BTL21 |
| Product Type | Intelligent Battery Testing Probe Kit |
| Temperature Sensor | Infrared (IR) |
| Internal Display | Yes (LCD) |
| Status Light | Three-color (Pass/Warning/Fail) |
| Probe Attachments | Long and Short |
| Primary Application | Testing and Monitoring Stationary Batteries |
| Compatible With | Fluke 500 series analyzers |
| Datasheet | Official Fluke |
❓ Frequently Asked Questions (FAQ)
Q: Does this kit work without an analyzer?
A: No, the BTL21 is designed as a side probe and must be connected to a battery analyzer such as the Fluke 500 series.
Q: Is a technical explanation needed for the status display?
A: No, the three-color status light instantaneously indicates Pass/Warning/Fail, thus eliminating the need for complex analysis.
Q: What advantage does it have over the model without temperature sensor (e.g., BTL20)?
A: This model, in addition to the functionalities of the BTL20, includes an IR temperature sensor that measures and records the battery terminal temperature.
Q: Are the probe attachments suitable for tight cabinet spaces?
A: Yes, the long and short attachments allow for easy access to terminals in limited spaces.
🔚 Conclusion
The Fluke BTL21 probe kit, with its intelligent functionality, IR temperature sensor, and user-friendly design, is an ideal tool for engineers and battery maintenance technicians.
If you are looking for a tool that not only measures voltage and internal resistance but also measures terminal temperature and quickly records results, the BTL21 is a smart choice.
📎 Official Datasheet Link
👉 Download the datasheet Fluke BTL21 (PDF)
