Siglent SDM4055A, 5½‑Digit Touchscreen Bench Digital Multimeter, 4 800 rdgs/s, 2 Million Readings Memory

The Siglent SDM4055A is a high-precision 5½-digit bench digital multimeter featuring a 5-inch true-color touchscreen and a maximum sampling rate of 4 800 readings per second. It covers a wide range of measurement functions, including DC/AC voltage and current, resistance, capacitance, frequency, continuity, diode checks, and temperature. With 512 MB RAM for 2 million recorded readings, 256 MB flash memory, and multiple display modes (numeric, trend, histogram, bar meter), it supports advanced mathematical operations and extensive data logging. Interfaces include USB (Host & Device), LAN, optional GPIB, plus VMC output and external trigger. Ideal for lab, calibration, production, and repair environments.

Key Features

• 5½-digit resolution with up to 4800 readings/s for fast and precise measurement
• True RMS measurements for both AC voltage and current
• Large 5" TFT LCD touchscreen with multi-mode display (numeric, histogram, trend, bar)
• Measurement capabilities include voltage, current, resistance, capacitance, frequency, temperature, diode, and continuity
• Supports 2-wire and 4-wire resistance measurements for high-accuracy low-resistance testing
• Dual display support for simultaneous multi-function readings