Step1: inhale and seal all the air in the volume chamber, and the compression begins;
Step 2: continue to compress to the center point of the volume cavity;
Step3: compress the air to the center of the volume chamber, and the exhaust will begin soon;
Step4: exhaust, end of a compression process
Step1: inhale and seal all the air in the volume chamber, and the compression begins;
Step 2: continue to compress to the center point of the volume cavity;
Step3: compress the air to the center of the volume chamber, and the exhaust will begin soon;
Step4: exhaust, end of a compression process
Standard leak hole, suitable for helium mass spectrometry vacuum leak detector, channel type open, positive pressure and negative pressure, leakage rate support customization, leakage rate range: 1x10-3Pam3/s ~ 5x10-10Pam3/s,
Straight-through helium standard leakage hole, 1 *10-3Pam3/s ~ 1 *10-7 Pam3/s large leakage rate standard leak hole. Seepage helium type standard leakage hole is not suitable for large leakage rate standard leakage hole because it will be seriously attenuated.Helium mass spectrometry leak detector using out-of-machine calibration if only -8 or -9 leak holes do not represent the large leakage rate of -4 and 5 is also accurate, Therefore, the external calibration needs to be calibrated at the same time as the standard leakage hole of the large leakage rate and the small leakage rate to ensure that the equipment is normal
Step1: inhale and seal all the air in the volume chamber, and the compression begins;
Step 2: continue to compress to the center point of the volume cavity;
Step3: compress the air to the center of the volume chamber, and the exhaust will begin soon;
Step4: exhaust, end of a compression process
Step1: inhale and seal all the air in the volume chamber, and the compression begins;
Step 2: continue to compress to the center point of the volume cavity;
Step3: compress the air to the center of the volume chamber, and the exhaust will begin soon;
Step4: exhaust, end of a compression process
Standard leak hole, suitable for helium mass spectrometry vacuum leak detector, channel type open, positive pressure and negative pressure, leakage rate support customization, leakage rate range: 1x10-3Pam3/s ~ 5x10-10Pam3/s,
Straight-through helium standard leakage hole, 1 *10-3Pam3/s ~ 1 *10-7 Pam3/s large leakage rate standard leak hole. Seepage helium type standard leakage hole is not suitable for large leakage rate standard leakage hole because it will be seriously attenuated.Helium mass spectrometry leak detector using out-of-machine calibration if only -8 or -9 leak holes do not represent the large leakage rate of -4 and 5 is also accurate, Therefore, the external calibration needs to be calibrated at the same time as the standard leakage hole of the large leakage rate and the small leakage rate to ensure that the equipment is normal