Fluke 8508A Reference Multimeter – 8.5-Digit High-Precision Bench Meter for Calibration & Metrology
Fluke 8508A Reference Multimeter – 8.5-Digit High-Precision Bench Meter for Calibration & Metrology
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Product Description
The Fluke 8508A Reference Multimeter is a metrology-grade precision instrument designed for calibration laboratories and high-accuracy test environments. With 8.5-digit resolution, extremely low noise, and exceptional long-term stability (0.5 ppm over 24 hours and 2.7 ppm over 1 year), it delivers world-class performance for DC/AC voltage, resistance, current, and temperature measurements. Built specifically for ISO-17025 accredited labs, the 8508A replaces multiple instruments by combining reference-level accuracy in a single, reliable bench multimeter.
Key Features
8.5-digit ultra-high resolution for precision measurements
Excellent stability: 0.5 ppm (24 h) and 2.7 ppm (365 days)
Wide DC voltage range from 200 mV to 1050 V
True RMS AC voltage measurement up to 1 MHz
DC current up to ±20 A; AC current range 2 µA to 20 A
Resistance measurement up to 20 GΩ
PRT/SPRT temperature measurement from –200 °C to +660 °C
Dual Paramatrix display with intuitive, context-sensitive menus
Front and optional rear binding posts for ratio and precision comparison measurements
Technical Specifications
| Specification | Detail |
|---|---|
| Model | Fluke 8508A Reference Multimeter |
| Manufacturer | Fluke Calibration |
| Type | Precision Reference Digital Multimeter |
| Resolution | 8.5 digits |
| DC Voltage Range | 200 mV to 1050 V |
| AC Voltage Range | 2 mV to 1050 V, up to 1 MHz |
| DC Current Range | 200 µA to 20 A |
| AC Current Range | 2 µA to 20 A, 1 Hz to 100 kHz |
| Resistance Range | Up to 20 GΩ |
| Temperature Range | -200 °C to +660 °C (PRT/SPRT) |
| Stability | 0.5 ppm (24 hours), 2.7 ppm (1 year) |
| Power Supply | 100–120 V / 200–240 V AC, 47–63 Hz, 80 VA |
| Dimensions (L × W × H) | 487 mm × 427 mm × 88 mm |
| Weight | 11.5 kg (≈ 25.5 lbs) |
| Operating Temperature | 0 °C to +50 °C |
| Interfaces | IEEE-488 / GPIB |
The Fluke 8508A is an 8.5-digit reference multimeter offering ultra-high accuracy, long-term stability, and precision measurement capability for professional calibration and metrology labs. The Fluke 8508A Reference Multimeter is one of the most accurate and stable bench multimeters available, engineered for metrology laboratories, calibration service providers, and high-precision manufacturing environments. With 8.5-digit resolution, ultra-low noise performance, and industry-leading stability, it ensures traceable and repeatable measurements for DC/AC voltage, current, resistance, and temperature. Its advanced Dual Paramatrix display and intelligent menu system make complex measurement tasks intuitive and efficient. The 8508A is designed to replace multiple instruments, including precision thermometers, high-accuracy voltmeters, null detectors, and electrometers — making it the ideal reference standard for cutting-edge calibration labs.
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