The Advantest R6441D is a 4.5-digit digital multimeter engineered for precision DC and AC measurements across R&D, production, and field environments. Dual-channel input architecture and dual display capability enable simultaneous multi-parameter monitoring, while enhanced current measurement performance and battery operation support portable deployment. True RMS AC measurement with crest factor tolerance and flexible interface options make this instrument suitable for diverse electrical characterization tasks.
Technical Specifications
Measurement Functions
• AC/DC Voltage: up to 700 V AC; 0.001 V to DC range
• AC/DC Current: up to 10 A (both AC and DC)
• Resistance: up to 200 Ω
• Frequency Measurement: supported
AC Performance (R6441D)
• True RMS measurement capability
• Voltage filter range: 300 Hz to 100 kHz
• Current filter range: 300 Hz to 5 kHz
• Crest factor: 3:1 at full scale
Voltage Input Impedance
• DC: 1 GΩ or greater
• AC: 1.1 MΩ ±10%, 100 pF or less
Resistance Measurement
• Applied current: 3 mA (200 Ω range) to 10 nA (200 MΩ range)
• Open circuit voltage: 7.5 V maximum
Accuracy
• Resistance: ±0.07% ±10d
• Current: ±0.2% ±5d
• Temperature coefficient: 0.1 × (measurement accuracy)/°C (0–50°C operating range)
• Reference conditions: 23 ± 5°C, 85% RH or less
Overcurrent Protection
• Standard ranges: 0.5 A/250 V IEC 127 sheet 1 fuse
• 10 A range: 15 A/250 V with 10,000-A interrupting capacity
Physical Characteristics
• Weight: 1 kg maximum
• Operating temperature: 0–50°C
• Storage humidity: 85% RH or less
– Key Features
• Dual-channel simultaneous measurement
• Dual independent displays
• Calculation functions: null, smoothing, dB/dBm, scaling, MAX/MIN, comparator
• Battery-powered for field portability
– Typical Applications
R&D laboratories, production line verification, field service and troubleshooting.
– Compatibility & Integration
Optional GPIB interface (Option 01) and memory card interface unit (R13222) support data logging and remote control integration.
