The HAMEG HM 8142 is a high-quality programmable triple-output power supply manufactured in Germany, designed for R&D labs, engineering workstations, and educational institutions. Operating on standard 50-60Hz mains, this unit provides exceptional stability, low ripple, and unique arbitrary waveform capabilities typically found in much higher-priced instruments. Whether you need a reliable source for circuit prototyping or a versatile tool for automated testing, the HM 8142 delivers professional-grade performance.
Key Features & Benefits
Triple Outputs for Maximum Versatility
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2x Adjustable Outputs: 0-30V / 0-2A (or 0-1A depending on revision)
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1x Fixed Output: 5V / 2A (perfect for digital logic circuits)
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Allows simultaneous powering of analog circuits and digital components
“Made in Germany” Quality
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Robust mechanical construction and superior thermal design
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Reliable long-term stability with 300 ppm/°C temperature coefficient
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Low residual ripple: <2mVrms for clean, noise-sensitive applications
Arbitrary Function & Remote Control
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512-point arbitrary waveform generation – program custom voltage sequences
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RS-232 / IEEE-488 (GPIB) interfaces for automated test systems
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Tracking mode for symmetrical ±15V or ±30V supplies
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External modulation inputs for dynamic testing
Electronic Load & Protective Features
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Integrated electronic load (current sink) up to 30W per channel
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Constant Voltage (CV) and Constant Current (CC) modes with auto-crossover
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Short-circuit proof and over-temperature protected
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Sense lines (remote sensing) to compensate for voltage drops in test leads
Technical Specifications
| Specification | Details |
|---|---|
| Output Channels | 3 (2 variable, 1 fixed) |
| Voltage (CH1/CH2) | 2 x 0 – 30V DC |
| Current (CH1/CH2) | 2 x 0 – 2A (Model dependent: 0-1A available) |
| Fixed Output (CH3) | 5V / 2A |
| Display Resolution | 10mV / 1mA |
| Ripple & Noise | < 2 mVrms / < 60 µArms |
| Load Regulation | 0.03% |
| Slew Rate | > 0.7 V/µs |
| Interfaces | RS-232, IEEE-488 (GPIB), Trigger I/O |
| Mains Voltage | 115 / 230V ±10%, 50-60Hz |
| Dimensions (WxHxD) | 285 x 75 x 365 mm |
| Weight | Approx. 10 kg |
Applications
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Service & Repair: Generate symmetrical voltages for audio amplifiers (OP-Amps)
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Education: Safe and precise power for student labs
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Automated Testing: Integrate into ATE systems via RS-232/IEEE-488
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Battery Simulation: Use arbitrary mode to simulate power curves
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Electronics Hobbyists: Professional-grade tool for advanced projects
