Resistance Decade Box

The Resistance decade box is an essential device used for precise resistance, capacitance, and inductance adjustments in various applications. These tools allow incremental changes through switching contact points, enabling users to achieve specific resistance values effortlessly. Equipped with dials or adjustable tape counters, resistance decade boxes are designed to operate in-circuit without requiring an external power source. Their reliable and accurate performance makes them indispensable in testing, calibration, and educational environments.

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• Utilisation of metal film resistors in DR04-07 models, offering 0.5% accuracy and a temperature coefficient of 50 ppm/°C.
• DR08 model equipped with thick film resistors, providing 1% accuracy and a temperature coefficient of 100 ppm/°C.
• Output on 4mm safety sockets for every decade, ensuring secure and efficient operation.
• Safety earth sockets for screen outputs (front panel and case).
• Maximum power rating of 0.5 W across all models.
• Contact resistance as low as R < 6mΩ in DR04-07 and R < 9mΩ in DR08 models.

| Type | Weight (Kg) | Decades | Multipliers in Ohms | Total Resistance |

|———–|—————-|————-|———————————————–|————————|

| DR04 | 1 | 4 | 0.1, 1, 10, 100 | 11,110 kΩ |

| DR05 | 1.4 | 5 | 0.1, 1, 10, 100, 1K | 111,110 kΩ |

| DR06 | 1.44 | 6 | 0.1, 1, 10, 100, 1K, 10K | 1,111,110 kΩ |

| DR07 | 1.52 | 7 | 0.1, 1, 10, 100, 1K, 10K, 100K | 11,111,110 MΩ |

| DR08 | 1.4 | 8 | 0.1, 1, 10, 100, 1K, 10K, 100K, 1M | 11,111,111 MΩ |

Accuracy (%): 3%, 1%, 1%, 1%, 1%, 1%, 1%, 1%

Max Current: 2.3A, 700mA, 200mA, 70mA, 20mA, 7mA, 2mA, 0.7mA

• High Accuracy: Achieve precise resistance adjustments with up to 0.5% accuracy in selected models.
• Durable Design: Built with robust switches featuring metal frames and gold-plated contacts for long-lasting performance.
• Easy to Operate: Simple interface with dials or adjustable counters for user-friendly use.
• Versatile Applications: Suitable for calibration, testing, prototyping, and educational purposes.

• Calibration and Testing: Perform accurate adjustments and measurements in electronic circuits.
• Prototyping: Create and refine circuit designs with reliable resistance control.
• Educational Use: Ideal for hands-on experimentation and learning in laboratories.
• Research and Development: Utilised in R&D for developing and testing new electronic solutions.