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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
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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
Options
- 24Vdc control
- 110Vdc control
- Atmospheric sniffer module
- Side mount configuration
- Bottom mount configuration
- Electrical Converter Box
Technical Specifications |
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Power | 115/220 Volts AC, 60/50 Hz, 4 Amps (other voltages available upon request) |
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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 |
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The internal analog leak rate value is displayed on the bar graph and three range LED’s indicate the relative severity of the leak.