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With the introduction of the 8508A, Fluke has created a new product c Call
Fluke 8508A Reference Multimeter, 8.5 Digit Opts: 01 Call
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Fluke 8508A (Reference Multimeters) Main Features and Specifications

Fluke 8508A

Type  Benchtop  
Digits/Count  8.5  
Vdc Low Range  200.0 mV 
Vdc High Range  1.0 kV 
Basic Vdc Accuracy  --  
Measurements  DCV, ACV, Resistance, DCA, ACA, Temperature  
Status -

With the introduction of the 8508A, Fluke has created a new product category - the reference multimeter - specifically for metrology applications. The 8508A Reference Multimeter draws upon decades of Fluke expertise coupled with our acquisition of Wavetek-Datron to deliver unmatched accuracy and stability; functionality and versatility; and ease of use. The robust characteristics of the Fluke 8508A permit replacement of eight other measurement devices by one multi-measurement precision unit. The replaceable devices are:

  • multimeter
  • resistance bridge
  • voltage divider
  • null detector
  • ac/dc transfer standard
  • precision thermometer
  • ac/dc shunt resistors
  • electrometer/pico-ammeter

The 8508A features 8.5 digit resolution, exceptional linearity and extraordinarily low noise and stability, producing what are arguably the most accurate measurements to be had from any commercially available product today. But that’s only part of the story. Measurements must be repeatable today, tomorrow, next week, even next year. That’s why stability must be treated with the same priority as accuracy. The 8508A demonstrates 365 day stability as low as 2.7 ppm, with a 24 hour stability of 0.5 ppm, ensuring that confidence in today’s measurement can be the same as it was yesterday or last year.

DC volts:

  • Ranges: 5, From 200 mV to 1000 V
  • Maximum Measurement: 1050 V
  • Resolution: user selectable from 5.5 to 8.5 digits
  • Maximum Sensitivity: 1 nV

AC volts:

  • Ranges: 5, from 200 mV to 1000 V
  • Resolution: user selectable from 5.5 to 6.5 digits
  • Maximum Bandwidth: 1 MHz
  • Maximum Sensitivity: 100 nV

DC Current:

  • Range: 0 to ± 20 A
  • Best 1 Year Absolute Specification: ± 12 ppm of reading

AC Current:

  • Range:  2 µA to 20 A, 1 Hz to 100 kHz
  • Best 1 Year Absolute Specification: ± 250 ppm of reading


  • Range:  0 to 20 GΩ
  • Best 1 Year Absolute Specification: ± 7.5 ppm of reading\


  • Range: Range: -200 °C to 660 °C
  • Best 1 Year Absolute Specification: ± 2.5 m °C