Technical Parameter

1.1 Overall indicators:

• Single gas（N₂、O₂、CO₂）Coefficient of variation:0.1%

• Gas ratio（N₂/ArandO₂/Ar）Coefficient of variation:0.03%

• Sample required quantity:≤10ml

• Sample analysis time:≤2min

• Breathability:≥90%

1.2 Mass spectrometer:

• Detector type: Faraday type detector

• Unit resolution:<10%

• Maximum work pressure:1×10⁴MPa

• Reproducibility of peak to peak ratio (under normal conditions)8hbelowN²andAr）：0.5%

• Can be networked through Ethernet

• Detection limit:5×10^-12mbar

• Quality range:1-100u

• Measurement speed:20ms—60s/amu

• answerArSensitivity of:200MA/mbar

• The impact on adjacent mass numbers:<10ppm

1.3 Peristaltic pump:

• Speed:0.01to48rpm

• Rotation mode: clockwise and counterclockwise dual modes

• Flow range: Maximum:MPpattern:40ml/Minutes（1.8rise/Hour,4Millimeter tube), high-frequency mode:250ml/Minutes（15rise/Hour,8Millimeter tube

• **：0.3rise/Divide（0.25Millimeter tube

• Maximum pressure:MPThe mode is0.5 MPaIn high-frequency mode, it is0.3MPa

1.4 Vacuum extraction device

• N₂Injection rate:67rise/second

• Front stage pump pumping speed@50Hz：0.5m³/h

• extreme pressure:<1*10^-7hpa/<7.5*10^-8Torr

1.5 Thermostatic water bath controller:

• Temperature stability:0.04°C

• Maximum pressure:3.5psi(0.24bar)

• Maximum pressure rate:2.9gpm(11.0 jpm)

• Water capacity:28L

• Temperature control range: ambient temperature+10°C—170°C

2Basic configuration

1） Main unit of membrane injection mass spectrometer:1cover

2） Peristaltic injection pump:1cover

3） Vacuum extraction device:1cover

4） Constant temperature water bath:2cover

5） Combustion furnace:1cover

6） Supporting accessories, etc.:1cover