Test Instrument Guides and How-To Articles

How to use multimeters, insulation testers, clamp meters and other test instruments: step-by-step guides, safety rules and model comparisons from Vicimeter.

All-in-One Testing for EV and Electrical Maintenance

All-in-One Testing for EV and Electrical Maintenance

The VICI VC1508PD is a 2-in-1 insulation multimeter that integrates professional high-voltage insulation testing and true RMS general measurement functions. Equipped with automatic PI, DAR and TIME analysis, it eliminates manual timing, data recording and formula calculation. Featuring a remote control test probe for one-click and one-hand operation, it adapts to complex working conditions such as narrow spaces and high-altitude operations. With a wide test range and industrial-grade safety performance, it fully meets the testing needs of new energy vehicle maintenance, industrial electrical operation and building electromechanical maintenance, effectively solving traditional testing pain points.

June 12, 2026
VC1508PD Insulation Multimeter: Features and Applications

VC1508PD Insulation Multimeter: Features and Applications

The Vici VC1508PD is a professional 2-in-1 insulation multimeter integrating insulation testing and electrical measurement. It supports PI/DAR/TIME, True RMS, NCV and remote test. With CAT III 600V safety rating, it is widely used in EV maintenance, motor and cable testing, power facilities and industrial engineering. Compact, accurate and reliable, it is your ideal test instrument.

May 30, 2026
EV Battery Module Testing: Voltage and NTC Sensor Checks

EV Battery Module Testing: Voltage and NTC Sensor Checks

With the rising ownership of new energy vehicles, power battery maintenance becomes a high-frequency demand for after-sales repair. Unbalanced battery module voltage and abnormal NTC temperature sensor are major faults. Using VICIMETER VC4060PD, VC1508PD multimeters, this paper sorts out standardized procedures of battery voltage measurement and NTC resistance calibration, clarifies high-voltage power-off specifications and instrument selection, which is both professional and practical.

May 20, 2026
Beginner's Guide to Using a Multimeter: Common Mistakes

Beginner's Guide to Using a Multimeter: Common Mistakes

Many beginners can only measure voltage with a multimeter, fearing to burn the meter or get shocked when operating resistance, capacitance, current or diodes. Taking Vichy VC890C as an example, this guide explains its panel, ranges and buttons, details 9 common functions, safety taboos, fault troubleshooting and maintenance tips for quick start by home electricians, technicians, enthusiasts and household users.

May 15, 2026
VC480C+ Milliohm Meter for New Energy Applications

VC480C+ Milliohm Meter for New Energy Applications

The Vici VC480C+ Milliohm Meter, with 0.01mΩ resolution and four-wire measurement, detects micro-resistance hazards in power batteries, PV modules and high-voltage connections, supporting new energy safety and efficiency across R&D, production and O&M.

May 13, 2026
EV High-Voltage Power-Down Procedure and Voltage Check

EV High-Voltage Power-Down Procedure and Voltage Check

Professional guide to new energy vehicle high-voltage power down, discharge and voltage verification. Follow standard MSD operation, 1000V multimeter safety specifications and fault handling for pure electric and hybrid vehicle maintenance, with Vicimeter VC4060 series professional testing solutions.

May 5, 2026
DM6803A+ Thermometer Setup Guide: All Custom Settings

DM6803A+ Thermometer Setup Guide: All Custom Settings

Learn about the custom settings of Vicimeter DM6803A+ smart thermometer. This guide explains auto power-off, RJ-ON switch, temperature type, alarm value, hysteresis and alarm mode setup for efficient temperature measurement.

April 28, 2026
VC4060C Motor Tester: Resistance, Insulation, Inductance

VC4060C Motor Tester: Resistance, Insulation, Inductance

The VC4060C Motor Tester integrates milliohm-level DC resistance, insulation resistance, and inductance measurement for comprehensive motor diagnostics. It accurately detects winding faults, insulation degradation, and hidden damage, addressing issues like unexpected shutdowns and overheating. Designed for ease of use, it suits household appliances, electric vehicles, and industrial equipment. The tool enables quick fault localization, improves maintenance efficiency, and supports preventive maintenance strategies.

April 9, 2026
Insulation Multimeters for EV High-Voltage System Testing

Insulation Multimeters for EV High-Voltage System Testing

The global NEV market is expanding rapidly, making three-electric system testing essential. Insulation multimeters improve efficiency and comply with GB 18384-2020 safety standards. They are indispensable for safe and professional NEV maintenance.

April 9, 2026
Instrument Error Formula: Accuracy and Resolution Explained

Instrument Error Formula: Accuracy and Resolution Explained

Master the universal instrument error calculation formula with VICI VC480C+ practical cases. Learn to avoid common mistakes, understand range/accuracy/resolution, and apply the method to multimeters, clamp meters, and more.

April 9, 2026
34 articles