Description
DM7276 Precision DC Voltmeter for High-Precision Battery and EV Testing
The DM7276 Precision DC Voltmeter is designed for ultra-high-accuracy measurement of DC voltage, making it indispensable for lithium-ion battery development, electric vehicle components, and next-generation energy storage devices. With 7½-digit resolution and a 9 ppm (0.0009%) guaranteed accuracy over one year, this voltmeter delivers precise and repeatable results even in critical R&D and production settings.
The DM7276 incorporates advanced features such as capacitance-based contact check and temperature compensation, ensuring the reliability of measurements despite fluctuations in ambient temperature. This function allows the display of voltage values converted to standard temperatures, addressing the small but impactful variations in open circuit voltage (OCV) typical for Li-ion batteries.
Built for efficiency and flexibility, the DM7276 provides EXT I/O, LAN, USB, and either GP-IB or RS-232C interfaces depending on the model, allowing seamless integration into production lines or laboratory systems. Fully automatic self-calibration and a highly stable internal voltage reference further enhance measurement reliability and long-term stability.
This voltmeter also supports global production environments with a built-in variable power supply, making it suitable for a wide range of applications beyond batteries, including electrical double-layer capacitors and other precision electronics testing. Combined with its high repeatability and temperature-resistant measurement engine, the DM7276 ensures data you can trust, even under demanding conditions.
Whether for R&D, quality control, or production line monitoring, the DM7276 Precision DC Voltmeter provides the accuracy, reliability, and functionality necessary to advance next-generation battery and electronic technologies.
Technical Specifications Table
| Specification | Details |
| Product Name | DM7276 Precision DC Voltmeter |
| Resolution | 7½ digits |
| Accuracy | 9 ppm (0.0009%) guaranteed for 1 year |
| Contact Check | Built-in capacitance monitoring (C-monitor) |
| Temperature Compensation | Yes, simultaneous temperature and voltage measurement |
| Interfaces | EXT I/O, LAN, USB, GP-IB (DM7276-02), RS-232C (DM7276-03) |
| Calibration | Fully automatic self-calibration |
| Applications | Li-ion battery testing, EV components, capacitors, next-generation electronics |
| Power Supply | Variable built-in power supply for global compatibility |
| Measurement Stability | High repeatability and resistance to temperature fluctuations |
| Models | DM7276-01 (standard), DM7276-02 (GP-IB), DM7276-03 (RS-232C) |
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