The World’s Most Stable Digitizing Multimeter

Fluke 8588A Reference Multimeter

Maximize confidence in your calibration lab with unrivaled 8.5-digit performance.
Ready to experience a reference multimeter designed for metrologists by metrologists?
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Where performance meets consistency.
Built for calibration professionals, the Fluke 8588A combines industry-leading accuracy with the speed and flexibility needed for modern labs. Whether you’re validating equipment, maintaining traceability, or driving operational excellence, the 8588A enables repeatable, trustworthy measurements you can depend on.
Engineered for labs that demand extreme accuracy.
The 8588A delivers ultra-precise, high-speed DC and AC voltage and current measurements, along with superior noise rejection and temperature stability.
Ultimate Precision

  • 8.5-digit resolution
  • Unmatched DC voltage accuracy of up to ±2.7 µV
  • Supports 100 ppm AC voltage accuracy
Metrology-Grade Performance

  • Designed for primary and secondary labs
  • High-input impedance and low noise floor
  • Temperature coefficient: < 0.05 ppm/°C
Measurement Confidence, Faster

  • Fast settling time for increased throughput
  • 100,000 readings/sec via digitizer mode
  • Advanced trigger and buffer options
Digital Null Detection

  • Null Meter option for ultra-sensitive differential measurements
  • Ideal for bridge circuits and reference divider alignment
  • Replaces analog null meters with superior digital performance
Key Specifications at a Glance:

  • Voltage DC Accuracy (24 hrs): ±2.7 µV (best)
  • AC Voltage Accuracy: 100 ppm
  • Current Measurement Range: 100 nA to 10 A
  • Digitizing Mode: 100 kS/s, 1.5 MHz bandwidth
  • Display: Dual display, color LCD
  • Interfaces: USB, GPIB, LAN
  • Temperature Stability: < 0.05 ppm/°C
  • Input Channels: 2 (optional)
  • Null Meter Mode: High-sensitivity differential voltage detection

Need deeper specs?
Perfect for:

  • Primary electrical standards labs
  • Calibration of 5522A/5520A/5700A multifunction calibrators
  • Secondary lab reference standard
  • Automated calibration systems with digitizer integration
  • R&D applications demanding high-speed sampling
  • Digital null detection for bridge circuits and reference divider alignment (e.g., 752A)
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