Fluke 1730/BASIC User Manual page 55

Total Harmonic Distortion (THD) ........................ THD for voltage and current is calculated on 25 harmonics
Averaging Time .................................................. User selectable: 1 sec, 5 sec, 10 sec, 1 min, 5 min, 10 min, 15 min, 30 min
Demand Interval ................................................. User selectable: 5 min, 10 min, 15 min, 20 min, 30 min
Data Storage ...................................................... Internal flash memory (not user replaceable)
Memory Size ....................................................... Typical 20 logging sessions of 10 weeks with 10-minute intervals
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Logging Period
Averaging Period Recommended for
20 sessions
1 sec 3 hr
5 sec 15 hr
10 sec 28 hr
30 sec 3.5 days
1 min 7 days
5 min 5 weeks
10 min 10 weeks
15 min 3.5 months
30 min 7 months
[1] The number of possible logging sessions and logging period depends on user requirements.
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[1]
Logging Period for
1 session
2.5 days
12 days
24 days
10 weeks
20 weeks
2 years
>2 years
>2 years
>2 years
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Energy Logger
Specifications
47