The EHT‑11 High Voltage Power Supply is a compact, safe, and reliable unit designed to deliver adjustable DC voltages up to +1500 V and –1500 V, commonly used in physics laboratories and educational experiments requiring high-tension power sources. This dual-polarity output is ideal for applications such as electron beam deflection, photomultiplier tubes, and various electrostatic experiments.

The unit features fine and coarse voltage control, digital voltage display, and short-circuit protection, ensuring safe operation in classroom or research settings. With an integrated voltage regulation system, the output remains stable despite fluctuations in input voltage or load conditions.

🔧 Key Features

• Output Voltage: Continuously adjustable from 0 to ±1500 V DC

• Output Current: Limited to safe levels, typically under 1 mA for user protection

• Dual Polarity: Separate terminals for +HV and –HV output

• Controls: Coarse and fine control knobs for precise voltage adjustment

• Display: 3½-digit digital voltmeter for real-time output monitoring

• Protection: Built-in short-circuit and overload protection

• Power Supply: 230 V ±10%, 50/60 Hz AC mains

• Compact Design: Easy integration on laboratory benches

Applications

• Electrostatics and high-voltage experiments

• Photomultiplier tube (PMT) biasing

• Electron beam deflection experiments

• Energy level studies in physics

• Capacitance and breakdown voltage testing

• Educational and demonstration setups in high-voltage physics