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Post Office Box-Plug Type (Constantan and Manganin Coil) Manufacturer,Supplier and Exporter in India

Product Code : EL-PLE-10278
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Post Office Box-Plug Type (Constantan and Manganin Coil)

The 3-Ratio Post Office Box has sixteen non-inductively would coils 1, 2, 2, 5, 10, 20, 20, 50, 100, 200, 200, 500, 1000, 2000, 2000, 5000 ohms and two proportional arms each with coils of 10, 100, 1000, ohms.

The 4-Ratio Post Office Box has sixteen coils as above and two proportional arms each with coils of 1, 10, 100, 1000, ohms.

Also incorporates infinity gap.

Two spring keys having good contact for battery and galvanometer is also provided.

Resistance between 0.1 and 1111000 ohms can be accurately measured using a DC battery.

The whole system is contained in a superior quality wood box.

Available in 3-Ratio and 4-Ratio.

Post Office Box 3-Ratio and 4-Ratio (Constantan coil) consists of 12mm & 14mm thick rectangular brass block and have accuracy ±0.1%.

Post Office Box 3-Ratio and 4-Ratio (Manganin coil) consists of 12mm & 14mm thick rectangular brass block and have accuracy ±0.05%.

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Post Office Box-Plug Type (Constantan and Manganin Coil) Manufacturer,Supplier and Exporter in India

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