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Posted
  On 26/02/2018 at 21:23, PeterJames said:

Its accepted by NSI 

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Come on man , you know what I mean , do you go by that strictly or use own methods as well 

 

Or got a Chinese calculator ?

Posted
  On 26/02/2018 at 21:36, al-yeti said:

Come on man , you know what I mean , do you go by that strictly or use own methods as well 

 

Or got a Chinese calculator ?

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It doesnt need to be an exact science, who has powercuts in this country nowadays?

Posted
  On 26/02/2018 at 14:00, mjvesq1969 said:

calculating what size battery i require, taking in quiescent, in alarm and time of back up needed...ta

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So the logical first question is:-

Do you know how to measure the quiescent, alarm and what standby time is required for your system?

Garbage in, garbage out...

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