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  • FAQs
    • ARC/Short Circuit
      • Are your supplies current protected?
      • Why is the short circuit repetition rate of my load set-up important?
      • What is the difference between instantaneous short circuit current and continuous short circuit current?
    • Interfacing
      • What kind of high voltage connector do you use on your supplies?
      • Can I program your supplies with a computer?
    • Safety
      • What is an "external interlock"? Why should I use it?
      • What is a safe level of high voltage?
      • Where can I obtain information on high voltage safety practices?
    • Technology/Terminology
      • What is the difference between a modular supply and a rack supply?
      • What is the difference between voltage mode and current mode?
      • What is power control? When would it be used?
      • What is floating ground?
      • What is solid encapsulation?
      • Why is oil insulation used?
      • What is corona?
      • What is a resonant inverter?
      • What is a voltage multiplier?
      • What is a high voltage power supply?
    • Usage/Application
      • Positive polarity, negative polarity, reversible polarity; why is this important when I purchase a supply?
      • Can I run your supplies at maximum voltage? Maximum current? How much should I de-rate your supplies?
      • Can I get twice the current from your supply if I run it at half voltage?
      • Why is the fall time of your supplies load dependent?
      • How should I ground your supply?
      • Can I float your supplies?
      • Can I Operate Your 220Vac Power Supplies at 230Vac?
  • Application Notes
    • AN-01
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    • AN-07
    • AN-08
  • Articles
    • IEEE Recommended Practices for Safety in High-Voltage & High-Power Testing
    • Standard Test Procedures For High Voltage Power Supplies
    • Specifying High Voltage Power Supplies
    • High Voltage Power Supplies for Analytical Instrumentation
    • High Voltage Power Supplies for Electrostatic Applications
    • Design and Testing of a High-Power Pulsed Load
    • Accurate Measurement of on-State Losses of Power Semiconductors
    • Highly Efficient Switch-Mode 100 kV, 100 kW Power Supply for ESP Applications
    • High-Power High-Performance Low-Cost Capacitor Charger Concept and Implementation
    • Comparative Testing of Simple Terminations of High-Voltage Cables
    • A High-Power High-Voltage Power Supply for Long-Pulse Applications
  • Application Glossary
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• News
  • 2012
    • Spellman Announces Acquisition of K&S Röntgenwerk Bochum
  • 2011
    • Spellman Introduces V6 Series of Precision High Voltage Modules
    • Spellman Introduces Innovative Touchscreen X-Ray Controller
    • Spellman Announces Appointment of Ira Elias as VP Quality
    • Spellman To Exhibit at ASNT 2011 Fall Conference in Palm Springs, California
    • Spellman de Mexico has Ribbon-cutting Ceremony to Celebrate New LEED Gold Certified Building in Matamoros, Tamaulipas
    • Spellman Announces Launch of New Spanish Language Website
    • Spellman Announces the Opening of its German Sales Office
    • Spellman High Voltage’s Japanese Branch to Exhibit at JAIMA Conference
    • Spellman Announces Acquisition of Hologic’s Lorad LPX Product Line
    • Spellman Introduces Its New ESC Family of Electrostatic Wafer “Chuck” Modules
    • Spellman’s Suzhou China facility gains ISO 14001 Certification
    • Spellman High Voltage to exhibit at the upcoming ASMS Conference in Denver, Colorado
    • Spellman President Addresses Japan Crisis
    • Spellman de Mexico relocating to first industrial facility designed to LEED Gold Standards in the State of Tamaulipas
    • Spellman High Voltage Electronics Corporation to Exhibit at ExpoElectronica
    • Spellman Launches New Russian Website
    • Spellman High Voltage Appoints New General Managers for its Chinese and Japanese Operations
  • 2010
    • Spellman High Voltage Expands its MNX Series of Modular X-Ray Generators
    • Spellman de Mexico Breaks Ground for New Production Facility
    • Spellman de Mexico Wins Prestigious Tamaulipas State Quality Award
    • Spellman To Exhibit at ASNT 2010 Fall Conference in Houston, Texas
    • Spellman's SLM High Voltage Power Supply Series Extended to 1200 Watts
    • Spellman's DXM X-Ray Generator Series Extended to 1200 Watts
    • Spellman Launches New Korean Language Website
    • Spellman High Voltage Announces Release of New Monoblock® Reference Guide
    • Spellman High Voltage’s Japanese Branch to Exhibit at JAIMA Conference
    • Spellman High Voltage Announces the Expansion of its XRV Series with 1.8kW Models
    • Spellman China Announces Relocation to New, Larger Facility
    • Spellman Announces the All New XT Series
    • Spellman Announces the All New ST Series
  • 2009
    • Spellman Expands its Mexican Operations
    • Spellman’s CZE High Voltage Series: The “Standard” for Electrospinning
    • Spellman Hosts “Open House” for NYIT Engineering Students
    • Spellman Implements Global Six Sigma Program
    • Spellman’s Bertan PMT Series Now RoHS Compliant
    • Spellman Expands its Popular and Versatile UM Product Line
    • Spellman to Exhibit at the Annual JAIMA 2009 Trade Conference
    • Spellman to Transfer Production of Selected Valhalla (the former site of Del High Voltage) Products
    • Spellman Opens New Beijing Sales Office
    • Spellman High Voltage recently exhibited at the ASMA Conference in Philadelphia
    • Spellman de Mexico Wins Prestigious State Quality Awards
    • Spellman Expands Its XRB Monoblock® Series with New 100kV Offering
    • Spellman High Voltage Expands its X-Ray Product Line
  • 2008
    • Spellman Introduces 2kW Rack Mounted High Voltage Power Supply
    • Spellman High Voltage Announces Introduction of New UMW Series
    • Spellman High Voltage Announces Introduction of New UM Series
    • 2008 17th World Conference on Nondestructive Testing
    • Spellman Launches New Japanese Language Website
    • Spellman Expands Its XRB Monoblock® Series with New 80kV Offering
    • Spellman Introduces New Precision Floating Power Supply
    • Spellman High Voltage Opens Its Second Manufacturing Plant in Mexico
    • Spellman Introduces Four Output Power Supply
    • Spellman Introduces New, Low Cost, OEM Power Supply
  • 2007
    • Spellman Introduces the V-PAK Series
    • Spellman High Voltage Appoints David Gillispie as Operations VP
    • Spellman China Relocates to Larger Facility
    • Spellman Expands MPS Series
    • Spellman Japan Relocates to Larger Facility
    • New XRV Series Specifically Developed for Inspection Requirements
    • New 150kV @ 1200 Watt Cable-Connected High Voltage Power Supply
    • New Modular Universal Input 300/600W High Voltage Power Supply
  • 2006
    • Hot Switchable, Polarity Reversible DC-DC Converter via Logic Signal
    • New High Voltage Power Supply Designed for Mass Spec Industry
    • New High Voltage Power Supply Designed for Precision E-Beam Applications
    • Spellman Expands Monoblock® Series For Security/Detection Applications
    • Spellman High Voltage Introduces New CCM Cap Charging Module
    • Alodine Replacement Statement
    • Spellman High Voltage Introduces New SIC Digital Interface Card
    • Spellman High Voltage Achieves ISO 14001:2004 Certification
    • Spellman High Voltage Electronics Corp. in Valhalla, NY Achieves ISO 9001:2000
    • Spellman High Voltage Penetrates Expanding Market
    • In Remembrance of S. Merrill Skeist CEO and Owner of Spellman High Voltage 1918 - 2005
    • CereTom™ Mobile CT Scanner Wins Medical Design Excellence Award
    • Spellman Approved to Perform In-House UL Testing
  • 2005
    • Spellman Announces Release of New "MPS Series" Compact High Voltage Module
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