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POST OFFICE BOX – 6 DIGITS MANGANIN COILS

POST OFFICE BOX – 6 DIGITS MANGANIN COILS

Model No: AGN-1005
Post Office Box (6 Digits) is a precision resistance measuring instrument designed for laboratory applications. It features six decades with four series dials for resistance selection and two ratio dials, enabling accurate and versatile resistance measurements. Fitted with battery and galvanometer keys, it offers reliable performance with high-grade Manganin coils for stability and long-term accuracy

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Technical Specifications

  • Six-Decade Design: Includes four series dials (1, 10, 100, 1000 ohms) and two ratio dials for flexible measurements.
  • Dual Functionality: Series dials can be used as an ordinary dial-type resistance box via two additional terminals.
  • Integrated Keys: Galvanometer and battery keys fitted with reliable contacts for smooth operation.
  • Wide Measurement Range: From 0.001 ohms to 1, 11, 10,000 ohms, covering low to high resistance values.
  • Precision Coils: Non-inductively wound coils made from Manganin wire to ensure long-term stability.
  • Accuracy: High precision with ±0.2% to ±0.05% (Grade A).
  • Optional Accessory: Spare sensitive galvanometer available with 20 mm per division sensitivity (add extra).

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