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8842A
Instruction Manual
1-2
1-1. INTRODUCTION
This manual provides complete operating instructions and service information for the
8842A. If you want to get started using your 8842A right away, proceed to the operating
instructions in Section 2. If you intend to use the 8842A with the IEEE-488 Interface
(Option -05), read Sections 2 and 3. This meter has been designed and tested according to
IEC publication 348, Safety Requirements for Electronic Measuring Apparatus. This
manual contains information and warnings which must be followed to ensure safe
operation and retain the meter in safe condition.
1-2. THE 8842A DIGITAL MULTIMETER
The Fluke 8842A Digital Multimeter is a high-performance 5-1/2 digit instrument
designed for general-purpose bench or systems applications. The 8842A is the top-of-the-
line DMM in the 8840A family. Using proprietary thin film resistor networks, a stable
reference amplifier and stable active components, the 8842A offers superior
measurement performance and stability. It also offers additional 20 mV, 20 ohm, and
200 mA dc ranges. Features of the 8842A include:
• Highly legible vacuum fluorescent display
• Intuitively easy front panel operation
• Basic dc accuracy of 0.003% for 1 year
• 2-wire and 4-wire resistance measurement
• DC current measurement
• Up to 100 readings per second
• Closed-case calibration (no internal adjustments)
• Built-in self-tests
1-3. OPTIONS AND ACCESSORIES
A number of options and accessories are available for the 8842A which can be easily
installed at any time. The options include:
• IEEE-488 Interface (Option -05), featuring:
• Full programmability
• Simple and predictable command set
• Fast measurement throughput
• External Trigger input connector
• Sample Complete output connector
• Automated calibration
• Low cost
• True RMS AC (Option -09), featuring:
• AC voltage measurement
• AC current measurement
Accessories include a variety of rack mounting kits, probes, test leads, and cables. Full
information about options and accessories can be found in Section 8.