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Battery analyzer Fluke BT521 resistance voltage temperature and current tester
Description Fluke BT521
The battery analyzer Fluke BT521 is a versatile test tool engineered for comprehensive maintenance, troubleshooting, and performance testing of stationary batteries and battery banks used in critical back-up applications. Featuring the BTL21 intelligent test probe with an integrated infrared temperature sensor, the Fluke BT521 enables simultaneous internal battery resistance, DC and AC voltage, AC ripple voltage, current, and negative post temperature measurements. The unit supports automated sequence measurement modes, wirelessly syncs with the Fluke Battery Analyzer mobile app, and exports data directly via USB for professional reporting.
Application field Fluke BT521
The battery analyzer Fluke BT521 is designed for telecommunication site engineers, data center facility managers, power utility technicians, and industrial UPS maintenance personnel. It is optimized for checking battery strings in critical uninterruptible power supplies, emergency lighting systems, switchgear battery banks, and solar power storage installations.
Specifications Fluke BT521
| Battery Resistance Ranges | 3 mΩ, 30 mΩ, 300 mΩ, 3000 mΩ |
| Resistance Resolution & Accuracy | From 0.001 mΩ / ±(0.8% + 6 digits) |
| DC Voltage Ranges | 6 V, 60 V, 600 V, 1000 V |
| DC Voltage Accuracy | ±(0.09% + 5 digits) |
| AC Voltage & Ripple Range | Up to 600 V AC / 6000 mV ripple |
| Current Measurement (with i410) | 400 A AC/DC |
| Temperature Measurement Range | 0°C to 60°C (Accuracy ±2°C) |
| Memory Storage | 999 records (Meter mode), 100 profiles (Sequence mode) |
| Battery Type & Life | 7.4 V 3000 mAh Li-ion (> 8 hours continuous) |
| Safety Rating | CAT III 600 V, 1000 V DC max |
| Dimensions & Weight | 22 x 10.3 x 5.8 cm / 850 g |
Package contents Fluke BT521
- Battery analyzer Fluke BT521
- BTL21 Intelligent Test Probe set with IR temperature sensor and extenders
- BTL20ANG Intelligent Test Probe Set with angled tips
- i410 AC/DC Current Clamp
- Li-ion battery pack and AC charger
- USB cable and Fluke Battery Management Software
- Large soft carrying case
- Calibration resister board and quick reference guide