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I got a Battery Tester from Cousins. Costs just under £10, has a meter, switch and case. It I thought that this be a good starting point, but it was found that this unit was too small to use in the end. A larger box and meter was used in the final version.

https://www.cousinsuk.com/catalog/equipment/battery-watch-testing

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R No    

Value K
(Measured)

Value
1GreyGreenBrownSilver0.749850
2OrangeBlackBrownSilver0.302300
3OrangeBlackBrownSilver0.302300
4OrangeBlackBrownSilver0.297300
5YellowVioletBrownGold0.470470
6WhiteBrownBrownSilver0.916910
7BrownGreenRedGold1.4851500
8BrownOrangeRedSilver1.3341300
9BrownRedBrownSilver119121
10RedBlackBlackGold0.02020
11BrownBlackBlackSilver0.01010
12BlueGreyBrownGold0.674690


The parts that will I thought would be used are the

  • Meter
  • Lead with Probes
  • Size of PCB 45 x 55 mm - strip-board replacement.
  • Case

All other parts are removed. There is sufficient depth for mounting switches along the side.

Second Results

This section highlights the changes that were made to the original design, including what happened when it was discovered that the PCB would not fit into the meter box when built.

Image AddedImage Added
Strip board overlay-ed with
original Printed Circuit Board
and outline of box

Print out of Strip board Only
Component side

(larger pdf file

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Cut the Strip board using the correct side
(This should be the component side) 

Track-side Reverse Print out of Strip board Only
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Cut the Strip board using the correct side
(This is the track side) 

Track-side Reverse Print out of Strip board Only
(same as above)

Image AddedImage Added
Components being added

Completed Board
Unfortunately it no longer fits into the box

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View of 1:1 paper printout of layout.
Hole cut out for the meter
Component side 
Front of the meter with components removed.
Image Added
New box and meter fitted