Product Description

Product Description The AJ821B is a sophisticated digital insulation tester designed for evaluating the insulation resistance of electrical systems and components. This device features a large, easy-to-read LCD display and offers multiple test voltages, enabling users to perform comprehensive insulation testing across various applications. The AJ821B is equipped with advanced functions such as programmable test voltages, insulation resistance measurements, and a data hold feature, making it suitable for both routine maintenance and in-depth diagnostics. Its rugged design ensures durability in demanding environments, while its user-friendly interface simplifies operation for both experienced technicians and less experienced users.

Technical Specifications

• Display: 3.5-inch LCD with backlight
• Test Voltages: 250 V, 500 V, 1000 V
• Insulation Resistance Range: 1 MΩ to 10 GΩ
• Accuracy: ±(5% + 2 digits) at 1000 V
• Measurement Functions: Insulation Resistance, Voltage Measurement, Continuity Testing
• Power Supply: Rechargeable Li-ion battery
• Battery Life: Approximately 10 hours on a full charge
• Dimensions: 200 x 120 x 60 mm
• Weight: 600 g
• Features: Data hold, auto discharge, test result storage, overload protection