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DECADE RESISTANCE BOX

DECADE RESISTANCE BOX

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The Decade Resistance Box from Prism Test & Measure Pvt. Ltd. is a precision instrument designed to provide accurate and selectable resistance values for testing, calibration, and circuit simulation. It is widely used in electrical laboratories, calibration labs, R&D departments, educational institutes, and industrial testing environments.

The resistance values are easily adjustable through rotary decade switches, allowing users to quickly set the required resistance for instrument calibration, bridge circuits, and electronic testing applications. The unit is built with high stability components and safety terminals to ensure reliable and accurate performance.

Key Features

  • Wide resistance range suitable for various calibration and testing applications
  • High accuracy and excellent long-term stability
  • Easy resistance selection through rotary decade switches
  • Low residual resistance for precise measurements
  • 4 mm safety terminal outputs for secure connections
  • Rugged bench-top design suitable for laboratory use
  • Ideal for instrument calibration, circuit testing, and educational experiments

Technical Specifications

Parameter Specification
Resistance Range 1 Ω to 1111.111111 MΩ
Decade Steps 1 Ω, 10 Ω, 100 Ω, 1 kΩ, 10 kΩ, 100 kΩ, 1 MΩ, 10 MΩ, 100 MΩ
Residual Resistance < 60 mΩ for 1 year (after 1 year add 5 mΩ per year), Maximum 60 mΩ
Short Term Stability 100 PPM (10 Ω to 10 MΩ)
Accuracy ±0.2% (×1 Ω range), ±0.1% (×10 Ω to ×10 MΩ ranges), ±0.5% (×100 MΩ range)
Operating Temperature 10°C to 40°C
Storage Temperature 5°C to 70°C
Drift Due to Ageing 50 PPM
Output Terminals Ø 4 mm Safety Terminals
Dimensions 470 mm (W) × 100 mm (D) × 80 mm (H)
Weight Approx. 2 kg

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