Construction of an Ammeter and a Voltmeter

Experiments :

• Ammeter design, modification, and calibration.

Experiments :

• Voltmeter design, modification, and calibration.

Experiments :

• Ohmmeter design, modification, and calibration.

Analog Meter Movement :

• Measuring Range: 100 μA.
• Internal Resistance: Approximately 2 kΩ.
• Accuracy Class: 1.5.

Resistance Box :

• Adjustment Range: 0 to 1,111,111.0 Ω.
• Accuracy Class: 0.1.

Standard Ammeter :

• Measuring Range: 0–19.999 mA.
• 4½-digit digital display.
• Accuracy: ±0.3%.

Standard Voltmeter :

• Measuring Range: 0–19.999 V.
• 4½-digit digital display.
• Accuracy: ±0.3%.

Adjustable DC Voltage Source :

• Output Range: 0–10 V.
• Stability: 0.1% per minute.
• Load Regulation: 0.1%.

Protection System :

• Dual-direction meter protection circuit prevents damage to the meter movement during operation.

Features :

• High-sensitivity analog meter movement combined with a 4½-digit digital display for enhanced measurement accuracy and experimental reliability.

Designed For :

• Physics Lab Experiments from Atico Exports.