Labappara scientific instrument
https://www.labappara.com/product/post-office-box-dial-type/
Export date: Fri Dec 6 20:57:41 2024 / +0000 GMT



Post Office Box Dial Type

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Product Page: https://www.labappara.com/product/post-office-box-dial-type/

 

Product Description

Post Office Box Dial Type - Physics Laboratory Instrument

  • Post office box is constant coils.
  • 6 dial each consisting of 10 steps.
  • Provided with four ratios of 1, 10, 100, 1000 ohms and 2 ratios dials.
  • And then with Manganian coils 5 dials.
  • Plug type, in polished wooden box with hinged lid and panel to show circuit connections.
  • Coils of constantan wire double silk covered are wound non- inductively. Three pairs of ratio arms are each 10, 100, 1000 ohms and resistance arms contains 16 coils from 1 to 5000 ohms with infinity plug.
  • Total value 11, 110 ohms.
  • Two spring keys having contact for battery and galvanometer fitted.
  • Accuracy of coils 100 to 500 ohms + 0.05% and of the rest coils + 0.1%.

Available in coils –

  • 4 dials , Constant coils
  • 4 dials , Manganian coils

Features:

  • Precise design 
  • Simple usage 
  • Resistant against rus

 

Product added date: 2017-04-21 15:56:31
Product modified date: 2018-05-15 16:35:03

Export date: Fri Dec 6 20:57:41 2024 / +0000 GMT
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