Callender & Griffith's Bridge

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Product Details:

Display Analog
Usage Measurement of electrical resistance
Power Manual, No external power required
Product Type Callender & Griffiths Bridge
Material Bakelite and Brass
Design Rectangular box type with four main resistance coils
Power Source Manual
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Callender & Griffith's Bridge Price And Quantity

Minimum Order Quantity 1 Unit

Sensitivity High sensitivity for laboratory use
Resistance Ratio Arms Four ratio arms provided
Connection Terminals Brass terminals for external connections
Standards Compliance Conforms to standard laboratory requirements
Coil Values 1, 10, 100, 1000 ohms
Application Physics and electrical laboratory experiments
Calibration Factory calibrated and adjustable
Case Finish Polished wooden/Bakelite outer case
Operating Temperature 0C to 50C

Callender & Griffith's Bridge Product Specifications

Accuracy 0.1 ohm
Detector Galvanometer
Weight Approx. 1.8 kg
Design Rectangular box type with four main resistance coils
Display Analog
Dimension (L*W*H) 300 x 50 x 80 mm
Power Source Manual
Material Bakelite and Brass
Power Manual, No external power required
Product Type Callender & Griffiths Bridge
Usage Measurement of electrical resistance

Sensitivity High sensitivity for laboratory use
Resistance Ratio Arms Four ratio arms provided
Connection Terminals Brass terminals for external connections
Standards Compliance Conforms to standard laboratory requirements
Coil Values 1, 10, 100, 1000 ohms
Application Physics and electrical laboratory experiments
Calibration Factory calibrated and adjustable
Case Finish Polished wooden/Bakelite outer case
Operating Temperature 0C to 50C

Callender & Griffith's Bridge Trade Information

Supply Ability 5 Unit Per Week
Delivery Time 4-5 Days

Product Description

Callender & Griffith's Bridge

Three in one - Carry's Foster Bridge, Potentiometer & Callender & Griffiths Bridge. It is an improvement over the potentiometer. The 50cm long slide wire of 1ohm resistance is calibrated into 100 equal parts. 14 coils are arranged in series in dials from each being of 1 ohm resistance terminals arranged for appropriate working of different instruments. Jockey slides on brass rod.

High Precision Measurement for Laboratories

Engineered for laboratory environments, this bridge provides accurate resistance measurement with a remarkable accuracy of 0.1 ohm across its four selectable coil values. The design ensures minimal external interference, delivering consistent results essential for research and science education.

Durable and Practical Design

Constructed with high-quality Bakelite and brass, the bridge boasts a polished wooden or Bakelite casing for lasting durability. Its dimensions and weight are optimized for bench-top use, combining portability with stability during experiments.

User-Friendly Operation Without External Power

The bridge operates manually, eliminating the need for any external power supply. This feature, coupled with brass terminals for easy connections, ensures smooth and efficient usage in various laboratory procedures. Factory calibration guarantees readiness and accuracy from first use.

FAQs of Callender & Griffiths Bridge:

Q: How is the Callender & Griffiths Bridge used to measure resistance in laboratory experiments?

A: The bridge is utilized by connecting the unknown resistor to the appropriate terminals, adjusting the ratio arms, and observing the galvanometer until a balanced condition is achieved. This method enables precise resistance determination in electrical and physics experiments.

Q: What are the main benefits of using this bridge in laboratory settings?

A: It offers high sensitivity, manual operation, and analog display, making it suitable for detailed educational and research work. Its factory calibration, accuracy of 0.1 ohm, and robust design ensure reliable and repeatable measurements.

Q: When should you calibrate or adjust the Callender & Griffiths Bridge?

A: Calibration is generally required after extended use or significant mechanical impact. However, the device comes factory calibrated and usually requires adjustment only if precision discrepancies are observed during routine checks.

Q: Where can this bridge be used most effectively?

A: This instrument is ideal for physics and electrical laboratories, especially in educational institutions, research centers, and quality control labs where precise resistance measurement is crucial.

Q: What is the process for connecting external resistors or devices to the bridge?

A: Simply utilize the provided brass terminals to securely attach external resistors or circuits. The labeled connections facilitate quick and accurate setup for a wide range of experimental configurations.

Q: What distinguishes the design and materials of this bridge from others on the market?

A: The use of Bakelite and brass, coupled with a polished outer case, ensures both durability and chemical stability. The rectangular box design with four resistance coils offers convenience, longevity, and precise measurements in demanding lab environments.

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