The JADEVER JDDM9502 Electrical Circuit Tester is an essential tool for electricians and enthusiasts looking for a reliable and easy-to-use device for evaluating electrical installations. Equipped with advanced features, 
Features:
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RCD/LOOP Testing: Enables accurate and efficient evaluation of circuit protection devices and loop circuits. 
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High Precision: Provides detailed measurements for line voltage, neutral-ground voltage, peak line voltage, and line frequency. 
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RCD Trip Time/Current Measurement: Comprehensive assessment of circuit protection performance. 
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Additional Features: Includes true RMS measurement, LCD display with backlight, and data-saving functionality. 
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User-Friendly Design: Simple and intuitive operation makes it ideal for both professionals and beginners. 
Technical Specifications:
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Model Number: JDDM9502. 
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Line Voltage: AC 85~265V 
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Neutral-Ground Voltage: AC 0~10V 
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Peak Line Voltage: AC 121~374V 
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Line Frequency: 45~65Hz 
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RCD Trip Time: 1ms~6.5s 
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RCD Trip Current: 30mA 
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True RMS Measurement: Yes 
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Data Saving: Yes 
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LCD Display: Yes 
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Backlight: Yes 
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Batteries: 6 × LR03 AAA 
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Dimensions: 194 × 78 × 37 mm 
Why Should You Buy This Product?
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Professional Accuracy: Ensures reliable and detailed diagnostics for electrical installations. 
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Versatile Applications: Suitable for inspecting various electrical components and circuits. 
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Portable Design: Compact and lightweight for ease of use on the go. 
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Advanced User Interface: Clear LCD display with backlight for convenient usage in different environments. 
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