Frontal view of the MD490M helium leak detector

MD-490M HELIUM LEAK TESTER

TURNKEY VACUUM MASS SPECTROMETER SYSTEMS – HELIUM

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..

APPLICATIONS

FEATURES

CHARACTERISTICS

FACTSHEETS

APPLICATION

  • 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

  • AEROSPACE

    • Fuel System
    • Hydraulic System
    • Oxygen System
    • Pressurized Cabin
    • Cooling System
Side view of VIC instrument with panels open, showing internal components.
Rear view of the MS40 GT showing connection ports, power input, and ventilation openings
Side view of a VIC tracer gas tester

FEATURES

  • GENERAL

    • 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

  • 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.

  • 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.

SPECIFICATIONS

  • OPTIONS

    • 24Vdc control

    • 110Vdc control

    • Atmospheric sniffer module

    • Side mount configuration

    • Bottom mount configuration

    • Electrical Converter Box

  • ACCESSORIES

    • Smart Charge 5, Gas Handling Unit

    • Test Booths and Fixturing

    • Multi-point probes

    • Robotic Sniffing

    • Leak calibrator

    • Master leak

    • Connectors…

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

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

DOCUMENTATION