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
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
Vacuum Instruments Corporation is a pioneer in providing state-of-the-art leak detection solutions for diverse applications and industries. Our systems have ensured the safety and performance of countless products that we use in our daily lives from the cars we drive to the air conditioners in our houses, the pacemakers in our bodies, and the satellites we launch into space.
