The Advantest R6871E is a 6 1/2 digit digital multimeter engineered for high-precision laboratory measurements. It delivers 7 1/2 digit over-range capability and supports DC voltage and current, AC voltage and current, resistance, frequency, and continuity testing. The instrument features floating and guarded input systems with manual, auto, and remote range switching to accommodate diverse measurement scenarios in research, development, and production environments.
– Technical Specifications
Measurement Functions
• DC Voltage (VDC) and DC Current (IDC)
• AC Voltage (VAC) and AC Current (IAC)
• Resistance (Ω)
• Frequency measurement
• Continuity testing
Measurement Ranges
• Maximum voltage: 500V AC; 0.001V DC minimum resolution
• Maximum current: 2A AC, 2A DC
• Maximum resistance: 1000 Ω AC
• Current resolution: 1 nA, 10 nA, 100 nA
• Resistance resolution: 0.01 Ω
Display and Performance
• 6 1/2 digit display with 7 1/2 digit over-range capability
• Maximum display readout: 19999999
• 7-segment green LED display with 5 x 7 dot matrix LED units indicator
• Sampling rate: Up to 2,000 times per second
• Integration measurement system with selectable digit settings (7 1/2, 6 1/2, 5 1/2, 4 1/2)
Accuracy
Measurement accuracy is expressed as ± (% of reading + LS digit value) with auto zero and auto calibration active. Accuracy varies by digit setting and integration time (1 PLC, 5 PLC, 100 PLC). Temperature coefficient for 4-wire Ω measurements: ± (% of reading + LS digit value)/°C from 0°C to +40°C. Two-wire Ω measurements add 0.02 Ω/°C plus maximum 0.2 Ω offset versus 4-wire measurement.
– Key Features
• GPIB interface with 10 Kbyte data transfer capacity for remote control and system integration
• Switchable beeper for panel key entry, error, and comparator calculation alerts
• Dual input system architecture supporting both floating and guarded measurements
– Typical Applications
Research and development testing, production quality assurance, precision laboratory measurements, and automated test systems requiring multi-function capability and GPIB connectivity.
– Compatibility & Integration
GPIB-equipped for instrument control and data acquisition within automated measurement systems. A specialized R6871E-DC variant limits functions to DC voltage, current, and resistance measurements.
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