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Whetstone bridge with pencil jockey
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Product Description
The Whetstone Bridge with Pencil Jockey is a precision electrical instrument used to measure unknown electrical resistances by balancing two legs of a bridge circuit. It consists of a robust base, a wire or slide wire of known resistance, and a movable contact known as the pencil jockey to slide along the wire for accurate balancing. This apparatus is widely used in physics and electrical engineering laboratories for teaching and research purposes, helping students and technicians to understand the principles of Wheatstone bridge circuits and precise resistance measurements.
Description
Uses
Primary Uses
Laboratory and Educational Applications
- Used to measure unknown electrical resistance with high accuracy in physics laboratories.
- Demonstrates the principle of the Wheatstone bridge circuit in educational settings.
- Facilitates calibration of resistors and electrical components.
- Supports experiments on circuit analysis, Ohm’s law, and electrical measurements.
- Enables students to learn practical skills in precision resistance measurement.
Secondary Uses
Research and Industrial Applications
- Applied in research labs for precise measurement of resistance in materials and components.
- Used in electrical engineering for quality control and component testing.
- Employed in industrial settings for maintenance and troubleshooting of electrical circuits.
- Supports development of sensors and resistive components by providing accurate resistance values.
KEY PRODUCT FEATURES
Key Attributes
Basic Identification Attributes
- Components: Wire or slide wire of known resistance, pencil jockey (movable contact), galvanometer, and known resistors.
- Material: Base typically made of wood or plastic, with metal contacts and wire.
- Size: Compact tabletop apparatus suitable for laboratory benches.
Physical & Chemical Properties
- Durability: Constructed to withstand repeated use in teaching and experimental labs.
- Conductivity: High-quality metal contacts ensure low resistance and accurate measurements.
- Precision: Fine adjustment possible through the pencil jockey for exact balancing.
Safety & Hazard Attributes
- Low voltage operation ensures safety during use.
- Avoid contact with exposed wires to prevent minor electrical shocks.
Storage & Handling Attributes
- Store in a dry, dust-free environment.
- Handle with care to avoid damage to the wire and contacts.
- Inspect for wire integrity and clean contacts before use.
Regulatory & Compliance Attributes
- Complies with laboratory educational equipment standards.
- Suitable for use in educational and research laboratories.
Environmental & Health Impact
- Made from recyclable materials where applicable.
- No hazardous substances involved in normal use.
SAFETY HANDLING PRECAUTIONS
Safety Handling Precautions
- Use as instructed to avoid damaging delicate components.
- Keep away from moisture to prevent corrosion of metal parts.
First Aid Measures
- No significant hazards; treat minor injuries from sharp components if any occur.
Firefighting Measures
- Non-flammable materials; use appropriate extinguishing media for surrounding fires.
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