Model NO.: MD-HLD-542
Model NO.: MD-HLD-542

1.Brief Introduction 

MD-HLD-542 helium mass spectrometer leak detector is the newest automatic type of machine, which includes molecular pump, mass spectrometry chamber, combined valve, mechanic pump and control panel. 

2.Features 

1. Convenient Operation
One button operation: leak detecting, deflation;
Full-scale calibration: from 5*10-12 to 1 Pa*m3/s, 12 magnitude can be calibrated in one time;
Quick start: start up in 2 min.
Loop detection: Yes. 

2. Reliable Performance
5*105 times loop leak detecting;
Two regional complex operation panels, 4 operating authority.
3. Powerful
3 types of leak detecting: Normal, Gross, Sniffer;
Optionally, leak detecting sensitivity includes 12 magnitudes.
4. Leading Technology
Multiple units of measurement: mbar*l/s, Pa*m3/s, Torr*l/s;
Powerful communication function: RS232 and rich communication parameters 

3.Working principle 
3.1. Pneumatic schematics 
Helium Leak Tester MD-Hld-542
 

1 Amplifier VA1 Release valve
2 Mass spectrometer VR1&VR2 Gross detecting valve 

3 Leak detecting mouth
5 Leak detecting mouth pirani 7 Vent VT2&VT3 8 Suction mouth VS 15 Preamp pump
18 Molecular pump 

 

4.Operation Panel 
Helium Leak Tester MD-Hld-542
 

1 Leak detecting mouth pressure indicator 2 Control menu indicator light
3 Automatic calibration start/stop
4 Sucking leak detecting start/stop 

5 Floating function open/close 6 Leak detecting start/stop
7 Control key(4)
8 Standby indicator light 

9 Exhaust indicator light
10 Leak detecting indicator light
11 He signal analog output display
12 He signal analog output indicator light
13 Floating indicator light
14 Correction coefficients start indicator light
15 Units indicator
16 He signal display
17 LCD display
18 Parameter key
19 Modify key (4)
20 Next key
21&22 Parameter increment, decrement, parameter option, alarm 

23 Preamp parameter key
24 Menu option key (4)
25 Alarm setting
26 Mass spectrometer parameter 27 Maintain parameter 

28 Other parameters 
5.Specification 

Model 

He scale Pa*m3/s 

Pressure Pa 

He speed l/s 

Pressure display Pa 

Gross 

1.10-10~0.1 

1000 

1.1 

105~10-1 

Normal 

5.10-12~3.10-5 

50 

1.3 

Sniffing 

5.10-8~1 

Atmosphere 

- 

Working method: 180°magnetic deflection mass spectrometer automatic protection Filament: double tungsten filament
Gross pump speed: 10m3/h
Emission current range: 0.2~2mA 

Alarm sound: 90db Start time: <2min Supply: AC200~240V Frequency: 50Hz Power: <1KW 

Start temperature: 10~45°C Working temperature: 0~45°C Storage temperature: -25~70°C Weight: 65kg 

6,Accessary:
Helium Leak Tester MD-Hld-542


For more types of porduct please view our shownroom:
minder-hightech.made-in-china.com
 

----------------------------------------------------------------------------------------------------------------------------------------
 

Helium Leak Tester MD-Hld-542
guangzhou minder-hightech co.,ltd

contact:shunyu.hu  
 
mobile phone:0086-15813334038

 

 




 

1.Brief Introduction 

MD-HLD-542 helium mass spectrometer leak detector is the newest automatic type of machine, which includes molecular pump, mass spectrometry chamber, combined valve, mechanic pump and control panel. 

2.Features 

1. Convenient Operation
One button operation: leak detecting, deflation;
Full-scale calibration: from 5*10-12 to 1 Pa*m3/s, 12 magnitude can be calibrated in one time;
Quick start: start up in 2 min.
Loop detection: Yes. 

2. Reliable Performance
5*105 times loop leak detecting;
Two regional complex operation panels, 4 operating authority.
3. Powerful
3 types of leak detecting: Normal, Gross, Sniffer;
Optionally, leak detecting sensitivity includes 12 magnitudes.
4. Leading Technology
Multiple units of measurement: mbar*l/s, Pa*m3/s, Torr*l/s;
Powerful communication function: RS232 and rich communication parameters 

3.Working principle 
3.1. Pneumatic schematics 
Helium Leak Tester MD-Hld-542
 

1 Amplifier VA1 Release valve
2 Mass spectrometer VR1&VR2 Gross detecting valve 

3 Leak detecting mouth
5 Leak detecting mouth pirani 7 Vent VT2&VT3 8 Suction mouth VS 15 Preamp pump
18 Molecular pump 

 

4.Operation Panel 
Helium Leak Tester MD-Hld-542
 

1 Leak detecting mouth pressure indicator 2 Control menu indicator light
3 Automatic calibration start/stop
4 Sucking leak detecting start/stop 

5 Floating function open/close 6 Leak detecting start/stop
7 Control key(4)
8 Standby indicator light 

9 Exhaust indicator light
10 Leak detecting indicator light
11 He signal analog output display
12 He signal analog output indicator light
13 Floating indicator light
14 Correction coefficients start indicator light
15 Units indicator
16 He signal display
17 LCD display
18 Parameter key
19 Modify key (4)
20 Next key
21&22 Parameter increment, decrement, parameter option, alarm 

23 Preamp parameter key
24 Menu option key (4)
25 Alarm setting
26 Mass spectrometer parameter 27 Maintain parameter 

28 Other parameters 
5.Specification 

Model 

He scale Pa*m3/s 

Pressure Pa 

He speed l/s 

Pressure display Pa 

Gross 

1.10-10~0.1 

1000 

1.1 

105~10-1 

Normal 

5.10-12~3.10-5 

50 

1.3 

Sniffing 

5.10-8~1 

Atmosphere 

- 

Working method: 180°magnetic deflection mass spectrometer automatic protection Filament: double tungsten filament
Gross pump speed: 10m3/h
Emission current range: 0.2~2mA 

Alarm sound: 90db Start time: <2min Supply: AC200~240V Frequency: 50Hz Power: <1KW 

Start temperature: 10~45°C Working temperature: 0~45°C Storage temperature: -25~70°C Weight: 65kg 

6,Accessary:
Helium Leak Tester MD-Hld-542


For more types of porduct please view our shownroom:
minder-hightech.made-in-china.com
 

----------------------------------------------------------------------------------------------------------------------------------------
 

Helium Leak Tester MD-Hld-542
guangzhou minder-hightech co.,ltd

contact:shunyu.hu  
 
mobile phone:0086-15813334038

 

 




 

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