Owon XDM2041 Bench-Type Digital Multimeter

📊 GENERAL SPECIFICATIONS

• Display: 5.6-inch TFT color LCD (640×480 pixels)

• Digits: 4½ digits (20,000 counts display)

• Update Rate: Up to 40 readings/second (normal mode)

• Measurement Rate: Adjustable (Fast/Medium/Slow)

• Power Supply: 100-240V AC, 50/60Hz (auto-ranging)

• Power Consumption: <25W typical

• Dimensions: 260 × 155 × 100 mm (10.2 × 6.1 × 3.9 inches)

• Weight: Approximately 2.2 kg (4.85 lbs)

• Safety Category: CAT II 1000V, CAT III 600V

• Warranty: 3 years

⚡ DC VOLTAGE MEASUREMENTS

Features: Auto/Manual ranging, Low-pass filter (3Hz), Relative mode

🔌 AC VOLTAGE MEASUREMENTS (TRUE RMS)

Features: AC+DC True RMS, AC coupling, Auto/Manual ranging

🔋 DC CURRENT MEASUREMENTS

Fuse: 10A/1000V fast-blow ceramic (user replaceable)

⚡ AC CURRENT MEASUREMENTS (TRUE RMS)

🔄 RESISTANCE MEASUREMENTS

Features: Continuity beeper (<10Ω, <50ms response), Relative mode

🔋 CAPACITANCE MEASUREMENTS

Features: Auto discharge before measurement, Relative mode

📡 FREQUENCY & PERIOD MEASUREMENTS

• Frequency Range: 20Hz to 1MHz

• Accuracy: ±(0.01% + 2 counts)

• Sensitivity: 200mV RMS (sine wave, 20Hz-1MHz)

• Period Range: 1µs to 50s

• Gate Time: 0.1s, 1s, 10s (selectable)

• Trigger Level: Auto or manual

🔴 DIODE TEST

• Test Current: 1.0mA ±0.1mA typical

• Open Circuit Voltage: 2.8V typical

• Measurement Range: 0-2V

• Accuracy: ±(0.5% + 5 counts)

• Beeper: Sounds when forward voltage <0.8V

🌡️ TEMPERATURE MEASUREMENT

• Sensor Type: Type K thermocouple (optional accessory)

• Range: -200°C to 1372°C (-328°F to 2502°F)

• Accuracy: ±(0.8% + 2°C) for 0°C to 400°C range

• Resolution: 0.1°C / 0.1°F

• Cold Junction Compensation: Automatic

🎛️ ADVANCED FEATURES

DISPLAY MODES

1. Dual Display: Show two different measurements simultaneously

2. Trend Graph: Real-time plotting over time (adjustable timebase)

3. Histogram: Statistical distribution display

4. Bar Graph: 40-segment analog-style display

5. Data Hold: Freeze current reading

6. Relative Mode: Subtract offset value

MATH FUNCTIONS

• dB/dBm Calculation: Programmable reference impedance (2Ω-8000Ω)

• Limit Testing: HI/IN/LO comparison with visual/audible alerts

• Statistics: MIN, MAX, AVG, STDDEV

• Percentage: Deviation from reference

• Zero Adjustment: Manual zero offset

DATA LOGGING

• Internal Memory: 100,000 readings

• Logging Interval: 100ms to 3600s (programmable)

• Trigger Modes: Immediate, Timer, Manual

• USB Storage: Direct save to USB flash drive (FAT32)

• File Format: CSV, TXT (Excel compatible)

FILTERS & AVERAGING

• Digital Filter: Off, 2, 4, 8, 16, 32 samples

• Moving Average: Configurable

• Low Pass Filter: 3Hz cutoff for DCV

• Noise Rejection: >60dB NMR at 50/60Hz

🔗 CONNECTIVITY

INTERFACES

1. USB Device Port: Type-B (for PC connection)

   • Protocol: USBTMC, Virtual COM Port

   • Baud Rate: Up to 115200 bps

2. USB Host Port: Type-A (for flash drives)

   • Format: FAT16/FAT32

   • Max capacity: 32GB recommended

3. LAN Port: 10/100Mbps Ethernet (RJ-45)

   • Protocols: VXI-11, Socket, Modbus TCP

   • IP Configuration: DHCP/Static

REMOTE CONTROL

• SCPI Commands: IEEE 488.2 compatible subset

• Web Interface: Built-in web server (browser control)

• PC Software: Owon DM software (Windows)

• Drivers: LabVIEW, Python (PyVISA) examples available

🛡️ SAFETY & PROTECTION

• Voltage Input Protection: 1000V DC/750V AC (PTC + MOV)

• Current Input Protection: 10A/1000V fast-blow ceramic fuse

• Fuse Specification: 10A, 1000V, 20kA breaking capacity (Φ10×38mm)

• Overload Indication: Visual warning on display

• Isolation: 1500V RMS between interface and measurement circuits

• Over-temperature Protection: Automatic shutdown

📦 PACKAGE CONTENTS

1. XDM2041 Bench Multimeter main unit

2. Power cord (region specific)

3. Test leads (1 pair, CAT III 1000V, 1.5m)

4. USB cable (Type A to Type B, 1.8m)

5. Quick start guide

6. Certificate of calibration

7. User manual (printed or PDF on CD)

🎯 TYPICAL APPLICATIONS

• Educational Labs: Universities, technical schools

• Electronics Repair: Service centers, repair shops

• Quality Control: Production testing

• R&D Labs: Prototype development

• Industrial Maintenance: Equipment troubleshooting

• Hobbyists/Enthusiasts: Advanced electronics projects

✅ KEY ADVANTAGES

1. Large Color Display - Excellent visibility

2. True RMS - Accurate AC measurements

3. Data Logging - 100,000 point storage

4. Multiple Interfaces - USB and Ethernet

5. Safety Rated - CAT II 1000V / CAT III 600V

6. Good Value - Professional features at competitive price

⚠️ LIMITATIONS

1. No Built-in Battery - AC power only

2. No RS-232 Interface - Only USB and LAN

3. Basic Capacitance Only - No LCR functions

4. 4.5 Digit Resolution - Lower than lab-grade meters

5. Single Current Fuse - One fuse for all current ranges

🌡️ ENVIRONMENTAL SPECIFICATIONS

• Operating Temperature: 0°C to 40°C (32°F to 104°F)

• Storage Temperature: -20°C to 60°C (-4°F to 140°F)

• Relative Humidity: <80% RH (non-condensing)

• Operating Altitude: Up to 2000 meters

• Warm-up Time: 30 minutes for specified accuracy

• EMC Compliance: EN 61326-1

🏷️ COMPLIANCE & CERTIFICATIONS

• CE Mark: Yes

• RoHS: Compliant

• Safety Standards: IEC 61010-1

• Manufacturing: ISO 9001 certified