Digital Multimeter Siglent SDM4075A (7½ chữ số)

Digital Multimeter SDM4075A

SDM4075A is a 7½-digit digital multimeter with outstanding measurement accuracy, linearity, and long-term stability, ultra-low baseline noise, multiple graphic display modes, and a touchscreen. It is designed for high-precision, multifunctional, and automatic measurement needs.

Application Areas

• Research laboratory
• Development laboratory
• Repair and maintenance
• Calibration laboratory
• Automatic production test

Main Functions SDM4075A

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

Extended Functions

DCV ratio measurement, statistics, limits, dB/dBm, relative measurement; bar meter, histogram, trend chart, dual display, probe hold, and user-defined sensor measurement.

Data Log Function

The logging interval is configurable from 1 ms to 3600 s. The instrument supports logging a maximum of 2,000,000 readings to internal memory and 360,000,000 readings to an external file, enabling a total logging duration of up to 100 hours (depending on the selected interval and sample rate).

Digitize Function

The instrument offers a maximum sampling rate of 2 MSa/s and a bandwidth of 15 kHz. In a single acquisition, it can capture up to 2,000,000 readings.

Main Features

• Front/rear mechanical switch selects the terminal set to be used.
• 5-inch true-color TFT-LCD display with a resolution of 800×480.
• Real 7½-digit (11,000,000 count) reading resolution.
• High-speed measurement at 50,000 rdgs/s, with a sampling interval adjustable from 0.001 PLC to 100 PLC.
• Internal memory stores up to 2,000,000 readings, with a time stamp for each record.
• 4 trigger modes: Auto, Single, External, and Level.
• 4 display modes: Number, Bar, Trend, and Histogram.
• DC measurements support the autozero function.
• True-RMS AC voltage and AC current measurement.
• Automatically switches between 10 A and 3 A current ranges, and supports up to 30 A with an external shunt.
• Supports RTD, thermocouple, and user-defined sensors.
• Offers dual-display and probe-hold functions.
• Complies with standard SCPI remote control commands.
• Comes with EasyDMM-X host computer control and sampling software.
• Communication interfaces: USB Device (optional USB-GPIB adapter), USB Host, LAN.
• Supports BNC VMC output and Trigger input.
• Supports VNC and Web server.
• Chinese and English menus, and a built-in help system for easy information retrieval.