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RESISTANCE BOXES -DIAL TYPE CONSTANTAN & MANGANIN COIL

RESISTANCE BOXES -DIAL TYPE CONSTANTAN & MANGANIN COIL

RESISTANCE BOXES -DIAL TYPE CONSTANTAN & MANGANIN COIL

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Resistance Box Plug Type Manganin Coil Resistance Box Plug Type Manganin Coil
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POST OFFICE BOX - 6 DIGITS MANGANIN COILS POST OFFICE BOX - 6 DIGITS MANGANIN COILS

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Model No: AGN-972
Dial Type Decade Resistance Boxes are precision instruments designed for laboratory and calibration work. They incorporate advanced switching mechanisms and high-grade resistance coils to ensure long-term accuracy, reliability, and durability. Available in both Constantan (Grade B) and Manganin (Grade A) coil models.
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Technical Specifications

  • Switching Mechanism: Equipped with latest design switches ensuring low contact resistance.
  • Durable Contacts: Moving contacts made of phosphor-bronze laminations for long life and repeatability.
  • Multiple Settings: Eleven-position switches allow accurate decade resistance adjustments.
  • Panel Design: High-quality bakelite insulating panel, enclosed in a polished teak wood box.
  • Resistance Coils:
    • Non-inductively wound, varnished, and aged for permanent value stability.
    • Available with double silk-covered Constantan wire (Grade B) or Manganin wire (Grade A).
  • Temperature Stability: Manganin coils offer negligible temperature coefficient compared to copper, ensuring superior performance.
  • Accuracy:
    • Constantan (Grade B): ±0.05% to ±0.1%
    • Manganin (Grade A): ±0.02% to ±0.05%

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