Multifunctional Safety Test Instrument

1、The IDI616XA/B-E multifunctional safety tester can integrate 2-4 safety test items, capable of performing AC withstand voltage, DC withstand voltage, insulation resistance, and grounding resistance tests. Multiple models are available for selection based on actual testing needs; the tester is compact, only 300mm wide and 112mm high, with industry-leading output capabilities such as voltage and current ranges, leakage current, resistance, etc.

Test accuracy: Can perform line compensation to eliminate measurement deviations caused by line interference or environmental factors, ensuring the test value reflects the true value of the tested product. 

Full protection functions: Protects against high-voltage electric shock lines, continuously detects circuits to prevent electric shock injuries, ensuring personnel safety; standard arc detection function.

This series includes LCD (1% accuracy) and digital tube (2% accuracy) models, with high and mid-end options, allowing users to choose based on application scenarios. The testers are easy to learn and operate, featuring “Advanced Mode” and “Simple Mode” to prevent misoperation. They have 10 memory groups, each with 8 test steps, supporting single-step or continuous testing, suitable for testing products under different time and voltage/current levels to observe data.

The tester features Charge-Lo function, greatly enhancing convenience and reliability in safety testing operations. Benefits of Charge-Lo: When measuring DC withstand voltage or insulation resistance, it quickly determines whether the instrument and the tested object are properly connected, avoiding unreliable measurement data caused by poor connections. For insulation resistance, larger values are better; operators usually only care about the lower limit not exceeding the threshold, ignoring the upper limit. However, poor connections can cause “infinite” insulation resistance, falsely indicating a good product. During DC withstand voltage testing, leakage currents are very small (microampere level), unlike larger AC leakage currents, making connection quality hard to judge by thresholds. Charge-Lo provides a direct method for operators to verify wiring integrity during DC withstand voltage and insulation resistance tests. Almost all tested objects exhibit capacitance characteristics, and during these tests, a charging current appears. When first setting Charge-Lo, the operator ensures proper connection. When pressing the Test button to automatically set Charge-Lo, the instrument records half of the charging current as the Charge-Lo current. During subsequent tests, if the instrument detects no current or a lower current than the stored Charge-Lo value at Test start, it alarms and displays “Charge-Lo,” indicating poor or unreliable connection (e.g., multiple broken strands in multi-core cables).

2、Industry Applications：

Home appliances, commercial appliances, 3C consumer electronics, medical devices, lighting fixtures, charging stations, electric vehicles, rail transit, power electronic components, electrical equipment, energy industry, motor coil products, power tools, third-party laboratories, and certification and quality inspection agencies.

3、Equipment selection：

4、Basic knowledge of electrical safety performance：

Insulation Resistance Testing：Insulation resistance is an important electrical parameter reflecting the performance of insulating materials. This test helps understand the insulation performance of the tested object, whether it is damp or contaminated. It mainly measures the equivalent resistance formed between two endpoints and their associated networks. Regulations specify minimum insulation resistance requirements between conductors of different polarities to ensure safe operation of electrical equipment.

AC/DC Withstand Voltage Testing：Also known as electrical strength testing, it confirms whether to perform AC or DC withstand voltage tests based on the power environment of the tested product. By applying transient or continuous high voltage exceeding the rated voltage between live parts and the shell, it verifies whether the product’s live parts have breakdown phenomena. During testing, the insulation parts of the tested product endure abnormal stress, quickly revealing insulation failures or small electrical gaps.

Ground Resistance Test: Ground continuity resistance refers to the connection resistance between the easily accessible metal parts of the tested product and the grounding terminal or grounding contact point. This test aims to verify whether the protective grounding measures are reliable and is a quantitative indicator of the grounding continuity of the tested product. By outputting a constant AC large current, it detects whether there are issues such as loose screws, too small grounding wire diameter, or open grounding wire in the tested product.