Hioki LR8431, Instruction Manual

Page: 169 / 204

Appendix 6 Maximum Recordable Time
A
11
Appendix
When saving waveform files in the form of binary data to either the instrument's internal
memory or the CF card or USB flash drive, maximum recording times are as follows.
The indicated times apply when recording all channels. Maximum recording time is
inversely proportional to the number of recording channels.
Because the header portion of waveform files is not included in these calculations,
actual times should be expected to be about 90% of the listed values.
Day values beyond 365 are not shown in the table.
When saving data in text format (CSV), the maximum recording time is reduced to 1/
10 of the value indicated in the table or less.
Appendix 6 Maximum Recordable Time
(d: days/ h: hours/ min: minutes/ s: seconds)
Interval
Recording capacity
LR8431-20
internal memory
(7MB)
9727
(256MB)
9728
(512MB)
9729
(1GB)
9830
(2GB)
10ms 32min 19h 37min 1d 15h 14min 3d 6h 29min 6d 12h 58min
20ms 1h 4min 1d 15h 14min 3d 6h 29min 6d 12h 58min 13d 1h 57min
50ms 2h 40min 4d 2h 6min 8d 4h 13min 16d 8h 26min 32d 16h 53min
100ms 5h 21min 8d 4h 13min 16d 8h 26min 32d 16h 53min 65d 9h 47min
200ms 10h 43min 16d 8h 26min 32d 16h 53min 65d 9h 47min 130d 19h 35min
500ms 1d 2h 49min 40d 21h 7min 81d 18h 14min 163d 12h 29min 327d 59min
1s 2d 5h 39min 81d 18h 14min 163d 12h 29min 327d 59min

2s 4d 11h 18min 163d 12h 29min 327d 59min


5s 11d 4h 16min
  

10s 22d 8h 33min
  

20s 44d 17h 6min
  

30s 67d 1h 39min
  

1min 134d 3h 18min
   
2min 268d 6h 36min
  

5min or
more
   

Maximum Recordable Time =
Recording capacity
*1
x Recording interval (s)
No. of recording channels
*2
x 2
*1. Recording capacity: 7 x 1024 x 1024 (for internal memory)
*2. No. of recording channels = (no. of analog channels) + (no. of pulse channels x 2) + (alarm
channel)