TS4520 four-wire battery-powered portable tester for beginners, measuring voltage and internal resistance with

🔍 Are you tired of inaccurate measurements and bulky devices for testing your batteries? Discover the TS4520 — the portable voltage and internal resistance tester that combines simplicity, accuracy, and battery life!

⚡ 4-wire (Kelvin) measurement: Eliminates errors due to cable resistance for ultra-reliable readings, especially on low resistances.

🔋 Built-in rechargeable battery: Up to 12 hours of cordless operation — perfect for workshops, production lines, or field checks.

🎯 Dual measurement in a snap: Open circuit voltage (OCV) and AC-IR internal resistance in a single operation — guaranteed time savings.

🛠️ Robust design & Ergonomic: Non-slip grip, clear LCD screen, intuitive touch buttons — designed for all-day use without fatigue. Imagine yourself in a teaching lab or on a quality control line: you plug in, you read, you validate — in less than 3 seconds. The TS4520 exudes quiet reliability: reinforced ABS housing, gold-plated copper contacts for optimal conductivity, and stable calibration over time. No compromise on accuracy, even after hundreds of cycles.

Technical Specifications:
• Voltage measurement range: 0–60 V (0.1 mV resolution)
• Resistance measurement range: 0.0001–3.2 Ω (0.1 µΩ resolution)
• Voltage accuracy: ±0.02% + 3 digits
• Resistance accuracy: ±0.5% + 5 digits
• Power supply: Integrated Li-ion battery (3.7 V / 2600 mAh), USB-C charging
• Dimensions: 162 × 82 × 38 mm
• Weight: 320 g (with cables)
• Package contents: TS4520, pairs of 4-wire probes (red/black), USB-C cable, French instruction manual

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