Siglent SDM4055A Digital Multimeter

The Siglent SDM4055A is a 5 1/2-digit digital multimeter built for high-precision measurements and fast data acquisition. It offers up to 220,000 counts and 150 ppm DCV Basic Accuracy, ideal for calibration and R&D. With a 5-inch color touchscreen and dual-display capability, it enhances usability and visualization. The DMM also provides users with rich interfaces along with simple to navigate front and rear panels. The meter supports up to 4,800 readings per second and stores 2 million readings with 512 MB RAM. It measures AC/DC voltage up to 1000 V and current up to 10 A with True-RMS support. Overall, the SDM4055A is a robust tool for engineers and technicians who demand high accuracy and fast throughput.

Key Features

• 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

Main Functions

• Basic Measurement Functions

• DC Voltage Measurement

• DC Current Measurement

• True-RMS AC Voltage Measurement

• True-RMS AC Current Measurement

• 2/4-Wire Resistance Measurement

• Capacitance Measurement

• Continuity Test

• Diode Test

• Frequency Measurement

• Period Measurement

• Temperature Measurement

More Highlights

• Extended Function
  Statistics, Limits, dB/dBm, Relative Measurement; Bar meter, Histogram, Trend Chart, Dual Display, Probe Hold and User-defined Sensor Measurement

• Data Log Function

  0.1 s~3600 s interval time can be set. Up to 2M points can be logged to Memory and 360M points can be logged to File. Up to 100 hours of logging time

• Digitize Function
  Sample rate up to 10 kSa/s, a maximum of 2M points can be acquired in a single acquisition, and the bandwidth is 100 kHz

Main Features

• 5-inch TFT-LCD display with a resolution of 800 x 480, paired with a touchable screen and a brand-new UI

• Real 5½ digit (220,000 count) readings resolution

• Reading rate from 5 rdgs/s to 4.8k rdgs/s, and support: Fast, Medium and Slow mode

• 512 MB RAM, capable of saving up to 2M readings for caching, support timestamp

• 256 MB Nand Flash, supports storage of various types of files such as readings, images, configuration files

• 4 trigger modes: auto trigger, single trigger, external trigger and level trigger

• 4 display modes: numerical, bar meter, trend chart and histogram

• True-RMS AC Voltage and AC Current measurement

• Support automatic switching between 10 A high current and 3 A low current measurement modes, and can be tested up to 30 A when paired with an external shunt

• Support RTD, thermocouple and user-defined sensor

• Support dual display and probe hold functions

• Support SCPI remote control commands

• Equipped with EasyDMM-X host computer control and sampling software

• Communications interface: USB Device (optional USB-GPIB adapter), USB Host, LAN

• Other interface: VMC output, Trigger input

• Remote access support for VNC, web servers

• Chinese and English menu, and built-in help system for easy information retrieval

Application Fields

• Research Laboratory

• Development Laboratory

• Repair and Maintenance

• Calibration Laboratory

• Automatic Production Test

What's in the Box

• Power Cord - 1

• Test Leads - 2

• Alligator Clips - 2

• USB Cable - 1

• Quick Start - 1

• Warranty Card - 1

• Upper Computer Software - Free download from official website