SDM3065X — 6½-digit Dual-display Digital Multimeters
SIGLENT SDM3065X / SDM3065X-SC digital multimeters provide real 6½-digit resolution with 2,200,000 counts, high-accuracy DC voltage measurement, True-RMS AC voltage and current, dual display, local file storage, math/statistics functions, USB Host, USB Device and LAN remote control.
| Model | Digits / Count | DCV Accuracy | DCV Range | ACV Range | Scanner Card |
|---|---|---|---|---|---|
| SDM3065X | 6½ · 2,200,000 | 0.0035% rdg + 0.0006% range | 200 mV–1000 V | 200 mV–750 V | No |
| SDM3065X-SC | 6½ · 2,200,000 | 0.0035% rdg + 0.0006% range | 200 mV–1000 V | 200 mV–750 V | Yes |
Key Features
6½-digit · 2,200,000-count Resolution
Real 6½-digit readings provide fine resolution for high-accuracy voltage, current and resistance measurements in R&D, QA and production test benches.
High-accuracy DC Voltage Measurement
The SDM3065X family specifies 0.0035% of reading plus 0.0006% of range one-year DC voltage accuracy, making it suitable for precision reference and calibration-adjacent measurement work.
True-RMS AC Voltage and Current
True-RMS AC voltage and AC current measurement supports non-sinusoidal electrical signals where average-responding meters can give misleading results.
Dual Display and Math Views
Dual display, max/min/average, standard deviation, dBm/dB, relative measurement, pass/fail, histogram, trend chart and bar meter views help review results without exporting every dataset.
Local Storage and EasyDMM Control
1 Gb NAND flash supports local configuration and data files. EasyDMM PC control enables convenient measurement setup, data logging and bench automation.
SDM3065X-SC Scanner Variant
The SDM3065X-SC variant supports scanner-card based multi-point measurement workflows, useful for fixture-based production, sensor and ageing tests.
Temperature Measurement Support
Built-in cold-terminal compensation supports thermocouple measurement, allowing temperature and electrical parameters to be handled from the same bench DMM platform.
USB, LAN and SCPI Remote Control
USB Device, USB Host and LAN interfaces support PC control and integration into automated test environments using standard remote-command workflows.
Specifications
| Parameter | Unit | Value / Description |
|---|---|---|
| DISPLAY AND RESOLUTION | ||
| Reading resolution | digits / counts | 6½ digits · 2,200,000 counts |
| Display | — | Dual display · Chinese / English menu support |
| DC VOLTAGE | ||
| Accuracy | — | 0.0035% of reading + 0.0006% of range |
| Measurement range | V | 200 mV to 1000 V |
| AC VOLTAGE / CURRENT | ||
| AC voltage range | V | 200 mV to 750 V · True-RMS |
| DC current range | A | 200 µA to 10 A |
| AC current | — | True-RMS AC current measurement supported |
| DATA AND MATH | ||
| Storage | — | 1 Gb NAND flash for configuration and data files |
| Math / statistics | — | Max · min · average · standard deviation · dBm/dB · relative · pass/fail · histogram · trend chart · bar meter |
| PC control | — | EasyDMM measurement control and data handling |
| MODELS AND CONNECTIVITY | ||
| Models | — | SDM3065X · SDM3065X-SC with scanner-card capability |
| Interfaces | — | USB Device · USB Host · LAN · optional USB-GPIB adapter |
Applications
Precision Bench Measurement
6½-digit resolution and high-accuracy DC voltage measurement support precision bench validation, reference checks and calibration-adjacent measurement tasks.
Automated Functional Test
SCPI remote control, LAN and USB interfaces make the DMM suitable for fixture-based production measurements and logged quality checks.
Multi-point Measurement
The SDM3065X-SC variant fits multi-channel scanner-card workflows for sensor arrays, ageing racks and repeated measurement points.
Power and Converter Validation
DC voltage/current, True-RMS AC and statistics functions help validate rails, supplies, converters and long-duration drift behaviour.
Incoming Inspection
Histogram, trend and pass/fail functions support structured QA checks for components, assemblies and incoming electrical parameters.
Scientific Measurement
High resolution, local storage and PC control make the instrument useful for research labs that need repeatable precision measurements without moving to a higher-cost metrology system.
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