$20.57
This is one item of 100uA full scale deflection microammeter with a scale that reads 0 to 10A. The needle zeroes correctly and I have tested it for accurate reading at 100uA using a 10V source and a 100K resistor. The coil resistance is 324 Ohms. There is a tiny crack on one edge of the transparency. The actual item is shown. The width is 72mm and the height is 53mm. The panel circular cut-out required is 53mm diameter.
You could use a 9V battery and normal skin resistance to move the needle, and it will certainly read the current generated by potato batteries, very small solar cells, photodiodes and phototransistors etc.
If you would like to buy any other additional item in my shop, discount codes are available for use within shopping cart at the Etsy checkout. These are,
2 or more items, save 10% with promo code SAVE10
3 or more items, save 15% with promo code SAVE15
4 or more items, save 20% with promo code SAVE20
Please use shopping cart and checkout everything altogether with the promo code. This item is only available on the pattern site.
1 business day
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