MD-490M

HELIUM LEAK DETECTOR

TURNKEY VACUUM MASS SPECTROMETER SYSTEMS

The MD-490M is a turnkey vacuum mass spectrometer system characterized by ease of maintenance and adaptability to system use. The instrument uses the most sensitive and accurate method of leak detection: the helium mass spectrometer.

It also meets the stringent requirements for robustness, reliability and ease of maintenance that are essential in any industrial environment..

MD-490M: APPLICATIONS

  • AUTOMOTIVE

    • Exhaust System
    • Cooling Circuit
    • Engine
    • Battery
    • Oil Pan
  • AIR CONDITIONING

    • Condenser Coils
    • Evaporator Coils
    • Compressor Seals
    • Refrigerant Tubing
    • Valve and Joint
  • MEDICAL

    • IV Bag
    • Implantable Device
    • Syringe and Vial
    • Medical Pouch
    • Packaging
  • NUCLEAR

    • Fuel Rod
    • Coolant System
    • Containment Vessel
    • Storage Container
    • Glove Box
  • AEROSPACE

    • Fuel System
    • Hydraulic System
    • Oxygen System
    • Pressurized Cabin
    • Cooling System
MD-490M: FEATURES

Performance

  • Sensitivity: System Mode, minimum detectable helium leak rate 2.5 x 10-9 atm-cc/sec.
    Sniffer Mode, minimum detectable helium leak rate 2.5 x 10-7 atm- cc/sec.
  • Response Time: < 1.0 second system mode testing, < 1.5 seconds sniffer mode testing.
  • Startup Time: One button automatic operation.
    Cold Start-Up, less than 3 minutes.
    Standby Start-Up, less than 1 minute

Display Leak Rate Range

  • System Mode Testing: 0-10 Volts output to main PLC. Leak rate configured to systems calibrated gas leak.
  • Interface Signals: Auto-Zero, Ready, Leak Rate and Fault Signals.
  • Sniffer Mode Testing: 10-3 to 10-7 atm-cc/sec He direct-reading.

Main Features

  • Cold Start-Up, less than 3 minutes
  • Standby Start-Up, less than 1 minute
  • One button automatic operation
  • Hard vacuum leak detection system
  • Modular assembly for custom arrangement
  • PLC controlled
  • Turn-key operation
  • Front panel key lock-out
  • Turbo speed adjustable from 600 to 1500HZ
  • Five year warranty on major components
  • Includes an internal fast clean-up sniffer manifold
  • Allows rapid switching between sniff and vacuum testing modes
  • Auto peak cycle
MD-490M: CHARACTERISTICS

Options

  • 24Vdc control
  • 110Vdc control
  • Atmospheric sniffer module
  • Side mount configuration
  • Bottom mount configuration
  • Electrical Converter Box
Technical Specifications
Power 115/220 Volts AC, 60/50 Hz, 4 Amps
(other voltages available upon request)
Dimensions Dimensions (in mm)
W344*H395*D618
Valve High vacuum rated solenoid actuated fore-line isolation
Pressure Measurement Connection gage for rough vacuum (atm-10-3 Torr),Turbo pump speed characteristics for high vacuum (10-6 Torr)
Inlet System External PLC controlled valves, externally mounted. Options: DC or AC
High Vacuum Pump 53 c/second air-cooled turbo-molecular
Mechanical Pump External forepump arrangement, standard package with 7 CFM

The internal analog leak rate value is displayed on the bar graph and three range LED’s indicate the relative severity of the leak.

MD-490M: FACTSHEETS

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