• Real 5½ digits readings resolution (220,000 counts)
• Reading rate from 5 rdgs/s to 4.8k rdgs/s
• 512 MB RAM, capable of saving up to 2M readings for caching
• Equipped with EasyDMM-X host computer control and sampling software
• 5-inch true color TFT-LCD display

The Siglent SDM4055A is a high-precision 5½ digit digital multimeter designed to meet the rigorous demands of research laboratories, automated production lines, and calibration facilities. Featuring a vibrant 5-inch touchscreen interface with a highly intuitive UI, it provides real 5½ digit readings with a flexible sampling rate of up to 4.8k rdgs/s. This versatile instrument excels at a wide array of measurement tasks, including True-RMS AC/DC voltage and current, 2/4-wire resistance, capacitance, temperature, and frequency, while offering advanced math functions and comprehensive data logging capabilities—supporting up to 360 million points to internal flash memory.

Engineered for efficiency and connectivity, the SDM4055A includes a robust suite of tools such as histogram and trend chart display modes, multiple trigger options, and support for automated testing via SCPI commands and the EasyDMM-X software. Its hardware is equally capable, featuring automatic switching between high and low current modes, support for various temperature sensors, and diverse communication interfaces including LAN, USB, and remote access via VNC or web servers. Whether you are performing complex benchtop diagnostics or integrating the device into an automated testing system, the SDM4055A delivers the precision, reliability, and ease of use required for professional-grade electronic measurement.

Application fields

Research Laboratory
Development Laboratory
Repair and Maintenance
Calibration Laboratory
Automatic Production Test