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Post Office Box Plug Type

We are the leading manufacturer and supplier of Post Office Box Plug Type. Now accepting bulk orders for government tenders in every major country around the globe.

Post Office Box Plug Type Manufacturer and Supplier

Plug type, with three pairs of ratio coils of 10,100 and 1000 ohms and 16 series coils from 1 to 5000 ohms, total 11,110 ohms, giving a range from 0.01 ohm to 1,111,000 ohms. Two tapping keys are provided for battery and galvanometer. Accuracy ratio coils ±0.05%, others ±0.1%.

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