Wiseman MEC Series 60 kV / 300 W High-Voltage DC Power Supply Module

Overview

The Wiseman MEC Series is a line of AC-input, high-stability, precision high-voltage DC power supply modules engineered for demanding scientific and industrial applications requiring reliable, low-noise, and tightly regulated DC potentials. Operating on the principle of high-frequency resonant conversion with proprietary zero-current switching (ZCS) topology, the MEC series delivers exceptional voltage stability and ultra-low ripple under dynamic load conditions—critical for electron optics, ion acceleration, electrostatic field generation, and high-impedance test environments. Unlike conventional transformer-rectifier-based HV supplies, the MEC architecture employs advanced solid-state insulation design and air-dielectric isolation, eliminating oil or SF₆ dependencies while maintaining rapid transient response (<100 µs) and arc resilience. Its modular form factor and DB15 control interface support seamless integration into OEM systems—including mass spectrometers, electron microscopes, particle accelerators, and materials dielectric testers—where long-term drift, electromagnetic compatibility (EMC), and operational safety are governed by ISO/IEC 61000-6-3, IEC 61010-1, and GLP-compliant instrument qualification protocols.

Key Features

• Output range: Selectable nominal voltages from 8 kV to 60 kV (positive or negative polarity), rated at 300 W continuous power
• Input flexibility: Dual-range AC input (105–125 VAC or 210–250 VAC), 48–63 Hz standard; 400 Hz operation supported for aerospace and defense integrations
• Ultra-low output ripple: ≤0.05% peak-to-peak of full-scale output voltage, measured under resistive load at rated power
• High short-term stability: ≤0.01% variation per hour after thermal stabilization (≥30 min), validated per ASTM E178 practice for precision instrumentation
• Low temperature coefficient: ≤25 ppm/°C across 0–50 °C operating range, enabling stable performance in uncontrolled lab environments
• Robust protection suite: Programmable overvoltage lockout (OVP), overcurrent limit (OCP), arc detection with sub-millisecond response, and hardware-enforced safety interlock circuitry compliant with IEC 61508 SIL-2 functional safety requirements
• Flexible control architecture: Local adjustment via multi-turn potentiometer; remote analog control via 0–10 VDC signals for both voltage and current setpoints, supporting closed-loop feedback integration
• Natural convection cooling: No fans or liquid cooling required—optimized thermal management enables silent, maintenance-free operation in vibration-sensitive setups
• OEM-ready mechanical design: Standardized footprint (375 mm or 521 mm length depending on voltage class), DB15 signal interface, and recessed HV output connector with 1 m shielded cable

Sample Compatibility & Compliance

The MEC module is specifically engineered for use with high-impedance, low-current loads typical in analytical instrumentation—including time-of-flight (TOF) and quadrupole mass spectrometer detector biasing, electrostatic precipitator grids, electrospray ionization (ESI) sources, and corona discharge systems. Its output characteristics meet the stringent voltage regulation requirements outlined in USP Analytical Instrument Qualification for critical parameter control. The unit conforms to CE marking directives (EMC Directive 2014/30/EU and Low Voltage Directive 2014/35/EU), carries UL recognition per UL 61010-1 (3rd Ed.), and supports audit-ready documentation packages for FDA 21 CFR Part 11 compliance when integrated into validated GxP workflows. All models undergo 100% burn-in testing and HIPOT verification at 120% of rated output voltage for 60 seconds per IEC 61326-1 Annex A.

Software & Data Management

While the MEC operates as a standalone analog-controlled module, its DB15 interface provides dedicated pins for analog voltage/current monitoring (0–10 V scaling, ±1% accuracy), status flags (HV ON, FAULT, INTERLOCK), and remote enable/disable. For system-level data logging and traceability, Wiseman provides optional digital interface adapters (RS-485 or USB-CAN) compatible with LabVIEW™, Python (PySerial), and MATLAB® environments. These adapters support timestamped acquisition of real-time output telemetry, event-triggered fault capture, and configurable alarm thresholds—enabling alignment with ISO/IEC 17025 Clause 7.7 on measurement traceability and data integrity. Firmware updates and calibration certificate archival are managed through Wiseman’s SecureLink™ configuration utility, which maintains immutable audit trails for GLP/GMP validation.

Applications

• Mass spectrometry: Detector biasing, ion lens array control, and reflectron acceleration in TOF-MS and MALDI platforms
• Materials science: Dielectric strength testing of polymers, ceramics, and composite laminates per ASTM D149 and IEC 60243
• Nanotechnology: Electrospinning voltage source, nanoparticle charging, and electrophoretic deposition systems
• Industrial electrostatics: Spray coating uniformity control, powder coating charge regulation, and static elimination in cleanroom manufacturing
• Research instrumentation: Electron beam focusing in SEM/TEM column supplies, plasma confinement electrode biasing, and pulsed electric field (PEF) bioprocessing
• Radiation physics: X-ray tube excitation (when paired with Wiseman’s X-ray-specific variants), neutron generator target biasing

FAQ

What is the maximum continuous output current at 60 kV?
At 60 kV, the MEC module delivers up to 5 mA (300 W / 60 kV = 5 mA) under continuous duty cycle with adequate ambient cooling.
Can the MEC be operated in constant-current mode?
Yes—both voltage and current are independently controllable via internal potentiometers or external 0–10 V analog signals, enabling true CV/CC operation with automatic cross-over.
Is the unit suitable for vacuum chamber integration?
The MEC is designed for atmospheric operation; however, it may be mounted externally with HV feedthroughs. For in-vacuum use, Wiseman offers hermetically sealed variants (MEC-V series) rated to 10⁻⁶ Torr.
Does Wiseman provide calibration certificates with NIST-traceable standards?
Yes—each unit ships with a factory calibration report traceable to NIST standards (via A2LA-accredited lab), including voltage accuracy, ripple, and stability measurements.
What safety interlocks are supported?
Hardware-level interlock inputs accept dry-contact closure signals (e.g., chamber door switches, emergency stops); interruption immediately disables HV output and latches the fault state until manual reset.