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Post Office Box-Plug Type (Constantan and Manganin Coil)
Product Code: SUK-SCHOOL-SSLAB-D000054
Description & Specifications
Post Office Box-Plug Type (Constantan and Manganin Coil)
Technical Specification
Plug type in polished wooden box with hinged lid and panel printed with
circuit connections. Three pairs of ratio arms are each 10, 100, 1000Ω
and resistance arms contains 16 coils from 1 to 5000Ω with infinity
plug. Coils with double silk covered are wound noninductively and have a
negligible temperature co-efficient. Two spring keys having special
contact for battery and galvanometer fitted. Accuracy of coils 100 to
500Ω ± 0.05% and of the resistance coils ± 0.1%.