Fluke 2680A Service Manual page 39

Table 1-26. FAI A/D AC Voltage Range and Resolution Specifications
Range
Full Scale
300 mV
3 V
30 V
Table 1-27. FAI A/D AC Voltage Accuracy Specifications
Range Frequency
300 mV 20 to 50 Hz
50 to 150 Hz
150 Hz to 10 kHz
10 kHz to 20 kHz
20 kHz to 50 kHz
50 kHz to 100 kHz
3 V 20 to 50 Hz
50 to 150 Hz
150 Hz to 10 kHz
10 kHz to 20 kHz
20 kHz to 50 kHz
50 kHz to 100 kHz
30 V 20 to 50 Hz
50 to 150 Hz
150 Hz to 10 kHz
10 kHz to 20 kHz
20 kHz to 50 kHz
50 kHz to 100 kHz, V<20V
[1] Sinewave inputs>6% of scale and signals with crest factors <2.
Resolution
Slow
+30,000
10 V
100 V
1 mV
18 C to 28 C
Slow
3%+.25 mV
0.4%+.25 mV
0.3%+.25 mV
0.4%+.25 mV
2%+.3 mV
5%+.5 mV
3%+2.5 mV
0.4%+2.5 mV
0.3%+2.5 mV
0.4%+2.5 mV
1%+3 mV
2%+5 mV
3%+25 mV
0.4%+25 mV
0.4%+25 mV
0.4%+25 mV
1%+30 mV
2%+50 mV
Introduction and Specifications
Fast Analog Input (FAI) A/D Specifications
Fast
+3,000
100 V
1 mV
10 mV
1 Year Accuracy + (%input + V) [1]
Fast Slow
6%+.5 mV 3.5%+.25 mV
0.8%+.5 mV 0.5%+.25 mV
0.8%+.5 mV 0.4%+.25 mV
1%+.5 mV 0.7%+.25 mV
3%+.5 mV 3%+.3 mV
5%+1 mV 7%+.5 mV
6%+5 mV 3.5%+2.5 mV
0.8%+5 mV 0.5%+2.5 mV
0.6%+5 mV 0.4%+2.5 mV
0.8%+5 mV 0.5%+2.5 mV
1.5%+6 mV 1.5%+3 mV
3%+10 mV 3%+5 mV
6%+50 mV 3.5%+25 mV
0.8%+50 mV 1.2%+25 mV
0.8%+50 mV 1.2%+25 mV
0.8%+50 mV 1.2%+25 mV
1.5%+60 mV 1.2%+30 mV
3%+100 mV 2.5%+50 mV
Minimum Input for
Rate Accuracy
20 mV
200 mV
2 V
-10 C to 60 C
Fast
7%+.5 mV
1%+.5 mV
1%+.5 mV
1.5%+.5 mV
4%+.5 mV
8%+1 mV
7%+5 mV
1%+5 mV
1%+5 mV
1%+5 mV
2%+6 mV
4%+10 mV
7%+50 mV
1.3%+40 mV
1.3%+40 mV
1.3%+40 mV
2%+50 mV
4%+100 mV
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