Description

Resistance Box Plug Type 5000 Ohms

A plug-type resistance box with a maximum resistance of 5000 ohms is a high-precision instrument used to measure and adjust electrical resistance in various settings. It is essential in educational laboratories, industrial applications, and research facilities. Here are the full details:

Full Details

Description

A plug-type resistance box allows for precise adjustment and measurement of resistance values by inserting or removing plugs. This model, which can provide up to 5000 ohms of resistance, is suitable for applications requiring accurate resistance control.

Features

1. Precision Resistors:
   • Type: High-precision wire-wound or carbon composition resistors.
   • Accuracy: Typically within ±0.1% to ±1%, ensuring reliable and consistent resistance values.
   • Material: Resistors made from stable materials like manganin or nichrome wire, known for their low temperature coefficient and long-term stability.
2. Construction:
   • Body: Made from durable and insulating materials such as Bakelite, phenolic resin, or high-quality plastic, providing excellent electrical insulation and mechanical durability.
   • Plugs: Metal plugs, usually brass or nickel-plated brass, offering excellent conductivity and resistance to corrosion.
   • Terminals: Brass or nickel-plated terminals ensure robust and reliable electrical connections.
3. Resistance Range:
   • Maximum Resistance: 5000 ohms.
   • Resolution: Typically includes increments such as 1 ohm, 10 ohms, 50 ohms, 100 ohms, 500 ohms, and 1000 ohms, allowing for precise adjustments.
4. Operation:
   • Adjustable Resistance: Resistance is adjusted by inserting or removing plugs from the designated sockets. Each plug corresponds to a specific resistance value, and combinations of different plugs allow for a wide range of resistance settings.
   • Clear Labeling: Resistance values and plug positions are clearly labeled for easy operation.
5. Applications:
   • Educational: Demonstrates principles of electrical resistance, Ohm’s law, and other fundamental electrical concepts in physics and engineering labs.
   • Calibration: Calibrates electrical instruments and devices to ensure their accuracy.
   • Experimental: Used in experimental setups requiring precise resistance adjustments.
6. Maintenance:
   • Cleaning: Regular cleaning of plugs and terminals is necessary to maintain good electrical contact and accurate resistance values.
   • Calibration: Periodic calibration checks ensure that the resistors maintain their accuracy over time.
7. Accessories:
   • Spare Plugs: Additional plugs may be provided for replacement.
   • Carrying Case: For easy transport and protection of the resistance box.
   • Calibration Certificate: Documentation certifying the accuracy of the resistors, typically provided by the manufacturer.

Specifications

• Maximum Resistance: 5000 ohms.
• Resistance Increments: Typically includes multiple resistors with values like 1, 10, 50, 100, 500, and 1000 ohms, allowing for fine adjustment and precise resistance settings.
• Accuracy: ±0.1% to ±1%.
• Material of Resistors: Often manganin or nichrome wire for stability and precision.
• Dimensions and Weight: Varies by manufacturer but generally compact and lightweight for ease of use and portability.
• Construction Material: High-quality, durable materials to ensure longevity and performance.

Summary

A plug-type resistance box with a maximum resistance of 5000 ohms is a versatile and precise tool essential for educational, calibration, and experimental applications. It features high-quality construction, accurate resistors, and user-friendly design, making it a reliable instrument for various electrical and electronic tasks. Regular maintenance and calibration are crucial for maintaining its accuracy and performance.