Siglent SDM3045X Digital Multimeter, 4.5 Digits, TRMS, TFT-LCD, SDM3000 Series

Siglent SDM3045X Digital Multimeter Overview

The Siglent SDM3045X is a 4½ digit digital multimeter designed for high-precision, multifunction, and automated measurement applications. With a 60,000-count display, dual-display operation, True-RMS AC voltage and current measurement, and a 4.3-inch TFT-LCD screen, the SDM3045X gives engineers, technicians, and lab teams a versatile bench Digital Multimeter (DMM) for everyday electrical testing, troubleshooting, validation, and production test environments. Its measurement functions include DC voltage, DC current, True-RMS AC voltage, True-RMS AC current, 2-wire and 4-wire resistance, capacitance, continuity, diode test, frequency, period, and temperature measurement with TC and RTD sensor support.

SDM3045X Specifications and Benefits

• 4½ digit, 60,000-count resolution: Delivers detailed readings for precision bench measurements and everyday electronics testing.

• Up to 150 readings per second: Supports faster measurement capture for automated test routines and efficient production workflows.

• True-RMS AC voltage and AC current: Improves accuracy when measuring AC signals, including non-ideal waveforms.

• DC voltage range from 600 mV to 1000 V: Covers low-level electronics measurements through higher-voltage bench testing.

• DC current range from 600 μA to 10 A: Enables current measurements from small device circuits to higher-current applications.

• AC voltage range from 600 mV to 750 V: Provides flexible AC voltage measurement capability across a broad range.

• AC current range from 60 mA to 10 A: Supports AC current testing for components, systems, and power-related troubleshooting.

• 2-wire and 4-wire resistance from 600 Ω to 100 MΩ: Helps improve resistance measurement flexibility, including lower-resistance measurements where 4-wire testing is preferred.

• Capacitance range from 2 nF to 10,000 μF: Allows capacitor evaluation across small signal and larger capacitance values.

• Frequency measurement from 20 Hz to 500 kHz and period measurement from 2 μs to 0.05 s: Adds signal timing capability for functional verification and troubleshooting.

• Math and analysis functions: Includes max, min, average, standard deviation, dBm/dB, relative measurement, pass/fail, histogram, trend chart, bar chart, and hold functions for deeper measurement insight.

• 4.3-inch TFT-LCD display with 480 × 272 resolution: Provides a clear interface with dual-display capability for easier measurement viewing.

• 1 Gb NAND flash and USB storage support: Helps manage configuration files and data files locally or through U-disk storage.

• USB Device, USB Host, and LAN interfaces: Supports remote control, data transfer, and integration into automated test systems using a common SCPI command set.

*SDM3045X is not compatible with the SC1016 Scanner Card Option

Application Uses

The Siglent SDM3045X digital multimeter is well suited for research laboratories, development laboratories, detection and maintenance work, calibration laboratories, and automatic production test environments. Its combination of precision measurement functions, data storage, math analysis, remote interfaces, and SCPI compatibility makes it useful for electronics design validation, component testing, maintenance diagnostics, manufacturing test stations, and routine bench measurement tasks.

What's in the Box

• Power Cord -1

• USB Cable -1

• Quick Start -1

• Calibration Certificate -1

• Test Leads and Alligator Clips -2

Siglent SDM3045X FAQ

1. What are the limits of the Siglent SDM3045X input terminals?
   The Siglent SDM3045X is safety-rated for CAT II 300 V and CAT I 1000 V applications. It supports a wide range of precision measurements, including 4-wire resistance, continuity, diode testing, and frequency measurement, making it well suited for benchtop electronics and laboratory work. However, it is not intended for direct use on high-voltage industrial power distribution systems.

2. Can the Siglent SDM3045X be used in automated test systems?
   Yes. The SDM3045X includes USB Device, USB Host, and LAN interfaces. Its USB and LAN remote interfaces support a common SCPI command set, enabling remote instrument control and automation. The meter also works with EasyDMM, a free downloadable PC application that allows users to monitor real-time measurements on a computer, create trend charts, and configure customizable on-screen measurement displays. These features make the SDM3045X well suited for automated test systems, remote operation, data logging, and other applications that require repeatable measurements and seamless system integration.

3. What makes the Siglent SDM3045X practical for lab and maintenance users?
   The SDM3045X combines a 4.3-inch TFT-LCD display, dual-display support, built-in front panel help, file management with local and U-disk storage, and EasyDMM PC software support. These usability features help simplify measurement setup, data handling, and daily bench operation for laboratory, development, calibration, maintenance, and test users.