SDM3055 / SDM3055-SC — 5½-digit Dual-display Digital Multimeters
SIGLENT SDM3055 series bench multimeters provide 5½-digit, 240,000-count resolution, dual-display operation, True-RMS AC voltage/current measurement, statistics views and SCPI remote control. SDM3055-SC adds scanner-card capability for multi-point measurement workflows.
| Model | Digits / Counts | DC Voltage Accuracy | DCV Range | ACV Range | Scanner Card |
|---|---|---|---|---|---|
| SDM3055 | 5½ · 240,000 | 0.015% reading + 0.003% range | 200 mV – 1000 V | 200 mV – 750 V | No |
| SDM3055-SC | 5½ · 240,000 | 0.015% reading + 0.003% range | 200 mV – 1000 V | 200 mV – 750 V | Yes |
Key Features
5½-digit · 240,000-count Measurement
High-resolution bench measurement for DC voltage, AC voltage, current, resistance, continuity, diode, frequency, period and temperature-related test workflows.
0.015% Reading + 0.003% Range DCV Accuracy
The DC voltage specification makes the series suitable for component verification, reference checks, power-supply validation and incoming quality inspection.
Up to 150 Readings/s
Fast measurement speed supports automated functional test where DMM throughput affects line time and production test efficiency.
True-RMS AC Voltage and Current
True-RMS ACV/ACI capability supports measurement of non-sinusoidal signals commonly seen in power supplies, drivers and industrial electronics.
Dual Display · Histogram · Trend · Statistics
Dual display and visual analysis modes help monitor drift, tolerance spread, stability and repeatability during bench and QA measurements.
SCPI Remote Control
SCPI compatibility over USB/LAN supports LabVIEW, MATLAB, Python and other automated test environments.
SDM3055-SC Scanner Variant
The SDM3055-SC variant supports scanner-card workflows for multi-point voltage, resistance and temperature measurement setups.
1 Gb NAND Flash
Internal flash storage supports configuration files and captured data files for repeatable lab and production measurement routines.
Specifications
| Parameter | Unit | Value / Description |
|---|---|---|
| GENERAL | ||
| Reading resolution | — | 5½ digits · 240,000 counts |
| Measurement speed | readings/s | Up to 150 |
| Display modes | — | Dual display · histogram · trend · bar chart · statistics · hold · dBm |
| Internal storage | — | 1 Gb NAND flash for configuration and data files |
| DC VOLTAGE | ||
| Range | V | 200 mV to 1000 V |
| Best accuracy | — | 0.015% of reading + 0.003% of range |
| AC VOLTAGE / CURRENT | ||
| AC voltage range | V | 200 mV to 750 V |
| AC measurement | — | True-RMS AC voltage and AC current |
| CURRENT / RESISTANCE | ||
| DC current range | A | 200 µA to 10 A |
| Resistance | — | 2-wire / 4-wire resistance measurement |
| TEMPERATURE AND SCANNER | ||
| Thermocouple compensation | — | Built-in cold terminal compensation |
| Scanner capability | — | SDM3055-SC: scanner-card capable · SDM3055: no scanner card |
| CONNECTIVITY | ||
| Interfaces | — | USB Host · LAN · GPIB via supported interface · SCPI remote control |
Applications
Automated Functional Test
SCPI control, fast readings and stable DC measurement support production-line voltage, current and resistance verification.
Incoming Inspection
5½-digit resolution and statistics views help screen components, references, sensors and electronic assemblies.
Component Characterisation
Dual display, resistance measurement and trend views are useful for drift, tolerance and thermal behaviour checks.
Power Supply and Battery Measurement
Accurate voltage and current measurement supports PSU regulation checks, battery pack validation and low-frequency logging.
Scanner-based Measurement
The SDM3055-SC variant fits multi-point measurement tasks where several channels must be routed into one bench DMM.
Advanced Measurement Lab
A practical 5½-digit DMM for university electronics, instrumentation and measurement training labs.
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