Trio Laboratories 0-3 AC Volts Vacuum Tube Voltmeter SP311

Trio Laboratories 0-3 AC Volts Vacuum Tube Voltmeter SP311

The Trio Laboratories SP311 is a precision vacuum tube voltmeter (VTVM) designed for accurate measurement of AC voltages up to 3 volts. Utilizing vacuum tube technology, this instrument offers high input impedance and minimal circuit loading, ensuring precise readings in sensitive electronic applications.

Key Features

• Measurement Range: Capable of measuring AC voltages from 0 to 3 volts, suitable for low-voltage applications.
• High Input Impedance: The vacuum tube design provides high input impedance, reducing the impact on the circuit under test.
• Analog Display: Features a clear analog meter for easy visualization of voltage readings.
• Durable Construction: Housed in a robust metal case, ensuring longevity and reliability in laboratory environments.

Applications

The SP311 is ideal for use in laboratories, educational settings, and by electronics enthusiasts who require precise AC voltage measurements. Its high input impedance makes it particularly useful for testing delicate circuits without introducing significant loading effects.

Specifications

• Voltage Range: 0-3 AC volts
• Display: Analog meter
• Input Impedance: High, due to vacuum tube circuitry
• Power Supply: Operates on standard AC mains voltage
• Dimensions: Compact design suitable for benchtop use

The Trio Laboratories SP311 vacuum tube voltmeter combines classic design with reliable performance, making it a valuable tool for precise AC voltage measurements in various electronic applications.