Fluke 289 - Manual (Page 86)

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MIN MAX, Recording, and Peak Specifications
Function Nominal Response Accuracy
200 ms to 80% (dc function)
Specified accuracy ±12 counts for changes >425 ms in duration in manual
range.
MIN MAX, Recording
350 ms to 80 % (ac function)
Specified Accuracy ±40 counts for changes >1.5 s in duration in manual
range.
Peak 250 μ S (peak) [1]
Specified accuracy ±100 counts [2] up to 5,000 count (full range) reading.
For higher peak reading (to 12,000 counts), specified accuracy ±2 % [3] of
reading.
Crest Factor 350 ms to 80 % For periodic waveforms from 50 to 440 Hz ± (4 % + 1 count).
[1] For repetitive peaks; 2.5 ms for single events. Peak not specified for 500 µA DC, 50 mA DC, 5 A DC.
[2] 200 counts in 500 mV AC, 500 μ A AC, 50 mA AC, 5 A AC.
[3] 3 % in 500 mV AC, 500 μ A AC, 50 mA AC, 5 A AC.