The Fluke 8840A Digital Multimeter is a high- performance 5-1/2 digit instrument designed for general- purpose bench or systems applications. Features of the 8840A include: Highly legible vacuum fluorescent display Intuitively easy front panel operation Basic dc accuracy of 0.005% for 1 year 2-wire and 4-würe 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 8840A 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.