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High Sensitivity Helium Leak Tester with Dry Vacuum Pump

Categories Helium Leak Detector
Brand Name: Wayeal
Model Number: SFJ-231
Place of Origin: Anhui, China
Certification: CE
MOQ: 1 Unit
Price: Negotiate
Packaging Details: Wooden Case
Delivery Time: 35 days
Payment Terms: T/T, VISA
Supply Ability: 200 Units/Month
Leak rate display: Numbers, Bar Charts, Graphs
Max Allowable Leak Detection Pressure (Pa): 1500Pa
Communication Interface: RS232/485, LAN
Diamension: 645*678*965mm
Product Name: Helium Leak Detector
Start Time (min): ≤1.58min
Detectable Quality: 2, 3, 4 (H2, He3, He4)
Leak detection port: DN25KF
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High Sensitivity Helium Leak Tester with Dry Vacuum Pump

Technical Specifications of SFJ-231D Helium Leak Detector

Wayeal SFJ-231d Oil Free Dry Pump Helium Leak Detector Machine

Performance Indicators





Minimum detectable leak rate
(Pa·m3/s)/ vacuum mode
5.0×10-13
Minimum detectable leak rate
(Pa·m3/s)/ sniffer mode
5.0×10-9
Response time(s)<1
Startup time(min)≤2
Leakage detection range
(Pa·m3/s)
5.0×10-13~1.0×10-3
Leakage rate display range
(Pa·m3/s)
1.0×10-13~1.0×10-3
Maximum allowable leak detection pressure(Pa)1500
Detectable quality2,3,4(H2 , He3, He4)

Basic Configuration









Man-machine interface7 "color LCD Touch Screen
Ion source2pcs, iridium coated yttrium oxide, automatic switching
I/O Input/output interfaceEight inputs and eight outputs
Communication interfaceRS232/485, USB*2
MES interfaceStandard
Physical size of instrument
(W)×(D)×(H),mm
592 * 498 * 370mm
Specifications of leak detection portDN25 KF
Power SupplyAC220V, 50HZ/60HZ
Operating temperature0-40ºC
Power1000W
Display languageBoth Chinese and English
Leakage rate displayFigure, bar chart, curve chart

Dry vacuum pumps (oil-free vacuum pumps) are widely used in leak detection applications that demand high cleanliness, corrosion resistance, and operational efficiency due to their oil-free operation, corrosion resistance, and simple maintenance requirements. The following outlines typical industries and components where dry pumps are essential for leak testing:
1. Semiconductor and Electronics Industry

  • Leak testing components:
  • Wafer fabrication equipment (e.g., etching machines, CVD reaction chambers)
  • High-vacuum sealed devices (MEMS sensors, chip packaging)

Vacuum coating equipment
2. New Energy Industry (Lithium Batteries/Hydrogen Energy)

  • Leak testing components:
  • Lithium battery electrolyte filling chambers
  • Fuel cell bipolar plates/stack sealing
  • Hydrogen storage tank valves and pipelines

3. Medical and Pharmaceutical Industry

  • Leak testing components:
  • Sterile packaging (vials, prefilled syringes)
  • Vacuum freeze dryers (lyophilizers)
  • Medical catheters/implant device packaging

4. Automotive Industry

  • Leak testing components:
  • New energy vehicle battery pack sealing
  • High-pressure fuel system pipelines (for hydrogen fuel cell vehicles)

5. Scientific Research and High-End Manufacturing

  • Leak testing components:
  • Particle accelerator vacuum pipelines
  • Spacecraft fuel tanks (satellites, rockets)
  • Superconducting equipment cooling systems
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