Comprehensive Experimental Instrument for AC/DC Circuit and Bridge Experiment

Experiments :

• Measurement of resistance using single-arm and double-arm bridge methods.

Experiments :

• Study of balanced and unbalanced bridge circuits.

Experiments :

• Measurement of capacitance, inductance, and associated electrical parameters.

Experiments :

• Design of a linear digital thermometer using a thermistor sensor with a resolution of 0.01°C.

Experiments :

• Investigation of the relationship between capacitance, dielectric loss, and bias voltage.

Experiments :

• Investigation of the relationship between inductance and bias current.

Bridge Arm Resistance R1 :

• 1 Ω, 10 Ω, 100 Ω, 1 kΩ, 10 kΩ, 100 kΩ, 1 MΩ.
• Accuracy: ±0.1%.

Bridge Arm Resistance R2 :

• Resistance box configuration: 10 kΩ + 10 × (1000 + 100 + 10 + 1) Ω.
• Accuracy: ±0.1%.

Bridge Arm Resistance R3 :

• Dual synchronized resistance boxes with simultaneous resistance adjustment.
• Configuration: 10 × (1000 + 100 + 10 + 1 + 0.1) Ω.
• Accuracy: ±0.1%.

Capacitor Box :

• Range: 0.001 μF to 1 μF.
• Minimum Step: 0.001 μF.
• Accuracy: ±2%.

Inductance Box :

• Range: 1 mH to 110 mH.
• Minimum Step: 1 mH.
• Accuracy: ±2%.

Multi-Function Power Supply :

• DC Output: 0–2 V adjustable.
• Sine Wave Frequency Range: 50 Hz to 100 kHz.
• Square Wave Frequency Range: 50 Hz to 1 kHz.
• Integrated 5-digit frequency display.

Digital Galvanometer :

• AC/DC dual-purpose operation.
• Measuring Ranges: 200 mV and 2 V.
• Selectable AC, DC, and unbalanced bridge modes.
• Adjustable sensitivity control.

Single-Arm Bridge Measurement :

• Measuring Range: 10 Ω to 1111.1 kΩ.
• Accuracy Class: 0.1.

Double-Arm Bridge Measurement :

• Measuring Range: 0.01 Ω to 111.11 Ω.
• Accuracy Class: 0.2.

Unbalanced Bridge Measurement :

• Effective Range: 10 Ω to 11.111 kΩ.
• Maximum Error: ±0.5%.

Built-in Test Components :

• Single and double resistance samples.
• Capacitors with different capacitance values and loss factors.
• Inductors with different inductance values and Q factors.

Designed For :

• Physics Lab Experiments from Atico Exports.