Wiseman MA Series Miniature High-Voltage Power Supply, 10 kV / 6 W

Overview

The Wiseman MA Series is a compact, high-precision miniature high-voltage power supply engineered for demanding scientific and industrial applications where ultra-low noise, exceptional voltage stability, and minimal electromagnetic interference are critical. Based on zero-current resonant converter topology and advanced high-voltage insulation design, the MA module delivers regulated DC output voltages from 500 V up to 10 kV with output power up to 6 W. Its core architecture enables stable biasing of sensitive detectors—including photomultiplier tubes (PMTs), proportional counters, Geiger-Müller tubes, and mass spectrometer ion optics—without introducing measurement artifacts caused by ripple or drift. Designed explicitly for OEM integration, the MA series supports custom voltage/current configurations and operates from a single low-noise DC input (standard 24 V ±1 V), making it ideal for embedded instrumentation in analytical platforms such as time-of-flight (TOF) and quadrupole mass spectrometers.

Key Features

• Ultra-stable output: Voltage stability and regulation ≤ ±0.001% under varying line, load, and temperature conditions
• Low-noise performance: RMS ripple ≤ 0.001% of rated output voltage—critical for low-signal detection systems
• Compact form factor: Cylindrical package (Ø70 × 57 × 22 mm) optimized for space-constrained instrument enclosures
• Multi-grade thermal rating: Commercial (S), Industrial (G), and Extended-Temperature (T) variants support operation from –40°C to +95°C (case temperature)
• Comprehensive protection: Automatic recovery from short-circuit events and arc-discharge suppression without latch-up
• OEM-flexible interface: Standard analog control (0–10 V or 0–5 V) for remote voltage programming and monitoring; optional digital I²C or RS-485 interfaces available upon request
• High efficiency & reliability: >82% typical efficiency across operating range; MTBF > 100,000 hours at rated load and 25°C ambient

Sample Compatibility & Compliance

The MA series is routinely deployed in instruments requiring precise high-voltage biasing of vacuum-based or gas-filled detectors, electrostatic lenses, and ion acceleration stages. It meets functional safety requirements for laboratory-grade instrumentation per IEC 61010-1 (Edition 3) and complies with EN 55011 Class B limits for conducted and radiated emissions. All units are manufactured under ISO 9001-certified quality management systems and conform to RoHS Directive 2011/65/EU. While not inherently FDA 21 CFR Part 11–compliant (as a component-level power supply), the MA module supports audit-ready system integration when used within validated instrument architectures adhering to GLP/GMP and ISO/IEC 17025 frameworks. Documentation packages—including traceable calibration certificates, failure mode analysis (FMEA), and material declarations—are available for regulated environments.

Software & Data Management

As a hardware-only module, the MA series does not include embedded firmware or proprietary software. However, its analog control interface enables seamless integration into host instrument control systems using standard DAQ hardware (e.g., National Instruments PXI, Keysight U2300A) or microcontroller-based platforms (ARM Cortex-M, STM32). Reference schematics, timing diagrams, and LabVIEW-compatible VI libraries are provided to accelerate system-level validation. For applications requiring real-time telemetry (e.g., voltage/current feedback, fault status), optional digital communication modules support Modbus RTU over RS-485 or I²C protocols—enabling full parameter logging, remote diagnostics, and event-triggered shutdown within automated QA/QC workflows.

Applications

• Mass spectrometry: Ion source biasing, detector gain control (e.g., electron multipliers, microchannel plates)
• Electron microscopy: Filament heating, Wehnelt bias, condenser/objective lens excitation
• Nuclear instrumentation: PMT anode supply for scintillation detectors, G-M tube quenching circuits
• Electrophoresis & microfluidics: High-field capillary electrophoresis (CE) and dielectrophoretic (DEP) actuation
• Industrial electrostatics: Precision corona charging, electrostatic precipitation, inkjet printhead biasing
• Research infrastructure: Particle beam focusing, plasma diagnostics, laser cavity pumping, radiation detector calibration

FAQ

Is the MA series suitable for use in vacuum or high-humidity environments?
Yes—standard models operate reliably at 20–80% RH non-condensing. For vacuum-integrated applications, optional hermetic sealing and low-outgassing potting compounds are available under custom configuration.
Can output polarity be reversed (positive/negative HV)?
Yes—both positive and negative polarity versions are offered; polarity selection must be specified at order entry.
Does Wiseman provide calibration certificates with NIST-traceable standards?
Yes—factory calibration includes full-load verification at three points (10%, 50%, 100% of rated voltage) with uncertainty budgets traceable to NIST via UKAS-accredited laboratories.
What is the recommended method for thermal management in enclosed chassis?
For continuous operation above 4 W, forced-air cooling (≥1 CFM) directed across the module’s cylindrical surface is advised; thermal interface pads (0.5 W/m·K) may be applied between the base and heatsink.
Are there EMI filtering options for compliance with CISPR 32?
Yes—external π-filter kits (including common-mode chokes and X/Y capacitors) are available as accessory kits, pre-characterized for Class B emission margins.