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Resistance Box Constantan & Manganin Manufacturer,Supplier and Exporter in India

Resistance Box Constantan & Manganin

Product Code : JL-SI-8096
Jlab Export is a leading Resistance Box Constantan & Manganin Manufacturer,suppliers and Exporter in India, Resistance Box Constantan & Manganin Uruguay (Montevideo), Resistance Box Constantan & Manganin Uzbekistan (Tashkent), Resistance Box Constantan & Manganin Venezuela (Caracas), Resistance Box Constantan & Manganin Vietnam (Hanoi), Resistance Box Constantan & Manganin Yemen (Sana'a), Resistance Box Constantan & Manganin Zambia (Lusaka), Zimbabwe (Harare), Eswatini (Mbabane) (Lobamba), Ethiopia (Addis Ababa), Fiji (Suva), Gabon (Libreville), Gambia (Banjul), Georgia (Tbilisi), Ghana (Accra), India (Delhi, Mumbai, Kolkatta, Chennai), Indonesia (Jakarta), Iraq (Baghdad), Ivory Coast (Yamoussoukro), Jamaica (Kingston), Jordan (Amman), Kazakhstan (Astana), Kenya (Nairobi), Kiribati (Tarawa), Kosovo (Pristina), Kuwait (Kuwait City), Kyrgyzstan (Bishkek), Laos (Vientiane), Latvia (Riga), Lebanon (Beirut), Lesotho (Maseru), Liberia (Monrovia), Libya (Tripoli), Lithuania (Vilnuis), Luxembourg (Luxembourg), Malawi (Lilongwe), Malaysia (Federal Territory of Kuala Lumpur), Maldives (Malle), Mali (Federal Territory of Kuala Lumpur), Malta (Male), Mauritania (Nouakchott), Mauritius (Port Louis), Mexico (Mexico City), Mongolia (Ulaanbaatar), Bulgaria (Sofia), Burkina Faso (Ouagadougou), Burundi (Gitega), Cambodia (Phnom Penh), Cameroon (Yaoundé), Cape Verde (Praia), Central African Republic (Bangui), Chad (N'Djamena), Chile (Santiago), Colombia (Bogota), Comoros (Moroni), Congo (Kinshasa), Costa Rica (San José), Croatia (Zagreb), Cuba (Havana), Cyprus (Nicosia), Czech Republic (Prague), Denmark (Copenhagen) ,Djibouti (Djibouti City), Dominican Republic (Santo Domingo), DR Congo (Kinshasa), Ecuador (Quito), Egypt (Cairo), El Salvador (San Salvador), Equatorial Guinea (Malabo), Eritrea (Asmara), Estonia (Tallinn)

Resistance Box Constantan & Manganin
Eleven position switches are employed.
Decade Resistance Boxes incorporate the latest design switches so as to ensure low contact resistance. 
The moving contacts are constructed from phosphor-bronze lamination to ensure long life and repeatability of results. 

Panel:
An insulating panel of bakelite enclosed in an elegantly polished teak wood box.

Resistance Coil:
Manganin has a negligible temperature coefficient against copper.
Resistance Coils are non-inductively wound, properly varnished and aged for permanence of values over a long period. 
Imported double silk covered manganin or constantan wire is used in Grade A and Grade B resistance boxes separately. 

Accuracy:
Accuracy is brought within the field ±0.05% to ±0.1% for constantan coils (B Grade) and ± 0.02% to ±0.05% for manganin coils (A Grade)

Contact Resistance:
Contact Resistance per decade is of the order of 0.0015 ohm.

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