The Rigol DM3058 is a 5.5-digit digital multimeter engineered for high-precision multi-function measurement across DC/AC voltage and current, resistance, capacitance, frequency, diode testing, and continuity. Its dual-display monochrome LCD (256×64 pixels) with 240,000-count resolution supports bilingual operation and real-time measurement display alongside menu and help functions.
– Technical Specifications
Measurement Functions
• DC Voltage: 200 mV to 1000 V
• AC Voltage (True RMS): 200 mV to 750 V
• DC Current: 200 µA to 10 A
• AC Current (True RMS): 20 mA to 10 A
• Resistance: 200 Ω to 100 MΩ (2-wire and 4-wire modes)
• Capacitance: 2 nF to 10 mF
• Frequency: 20 Hz to 1 MHz
• Diode and continuity testing with adjustable threshold (1 Ω to 2000 Ω)
• Temperature measurement via sensor function
Accuracy & Resolution
DC voltage accuracy reaches 0.015% + 3 digits on the 1000 V range. AC voltage and current exhibit 0.3% + 20 digits and 0.30% + 10 digits respectively. Resistance accuracy on 200 Ω ranges: 0.020% + 3 digits. Measurement speed selectable from 2.5 Sa/s to 123 Sa/s.
Data Acquisition
Internal memory stores 10 groups of 2000 readings. USB Host connectivity enables export of test data and settings to external storage, plus configuration cloning across multiple units.
– Key Features
• Sensor measurement with thermocouple cold junction compensation supporting 6 sensor types (DCV, DCI, frequency, 2-wire resistance, 4-wire resistance, thermocouple)
• 10 preset sensor configurations
• Math functions: Pass/Fail, relative (REL), Min/Max/Average, dBm, dB, Hold, Histogram, Standard Deviation
• Bilingual interface (Chinese/English)
– Electrical Specifications
• AC supply: 100–120 V (45–440 Hz) or 200–240 V (45–66 Hz)
• Power consumption: 20 VA peak
– Typical Applications
Laboratory test and measurement, electronics service and repair, automated production testing, sensor characterization, and multi-range electrical verification in field environments.
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