Leak Testing and Vacuum Technology | LeakLab
Leak Testing & Vacuum Engineering
mail@leaklab.org
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Catalog
  • Books
  • Leak Detectors
    Leak Detectors
    • Leak-Test Systems
    • Portable Helium Leak Detectors
    • Pressure-Change Leak-Test Instruments
    • Helium Mass-Spectrometer Leak Detectors
  • Vacuum Components
    Vacuum Components
    • Gas-Filling Stands for Testing
    • KYKY Vacuum Gate Valves
    • Vacuum Bellows
    • Vacuum Test Chambers
    • Vacuum Valves
  • Vacuum Pumps
    Vacuum Pumps
    • Atmosphere-to-High-Vacuum Dry Pumps
    • High-Vacuum Pumping Stations
    • Ion Pumps
    • KYKY RV Rotary-Vane Pumps
    • Roots Booster Pumps
    • Screw Vacuum Pumps
    • Tank Evacuation Systems
    • Turbomolecular Pumps
  • Helium Reference Leaks
    Helium Reference Leaks
    • Capillary Helium Reference Leaks
    • Gelit Reference Leaks
    • Reference Leaks for Pfeiffer and Adixen ASM Detectors
  • Scanning Electron Microscopes
    Scanning Electron Microscopes
  • Gas Flow Meters
    Gas Flow Meters
  • Vacuum Gauges
    Vacuum Gauges
    • ASAIR Vacuum Gauges
    • CBVAC Vacuum Gauges
    • KYKY Vacuum Gauges
    • Meradat VIT Vacuum Gauges
    • Quadrupole Mass Spectrometers
    • Vacuum Gauges for Cryogenic Vessels
  • Leak-Detector Accessories
    Leak-Detector Accessories
    • Leak-Detector Spare Parts
    • Vacuum-System Filters and Traps
Services
  • Leak Testing
    • Air pressure-decay testing of tanks and vessels
    • Leak testing under GOST, OST, ISO and ASTM
    • Helium hood leak testing under ASTM E1603/E1603M
    • Chamber leak testing under ASTM E493/E493M
    • Helium sniffer testing under ASTM E499/E499M
    • Helium spray testing under ASTM E498/E498M
    • Packaging leak testing under GOST 34760-2021
    • Leak-test metrology: ISO 20486 and ISO 3530
    • Developing helium and vacuum test programmes
    • Valve-seat leak tightness under GOST 9544-2015
    • Tracer-gas leak testing under ISO 20485
    • Vacuum leak testing under GOST R 53177-2008
    • Helium Leak Testing to OST 92-1527-89
    • Leak Testing to GOST 24054-80
    • Leak Testing to NP-105-18
    • Leak Testing for Rosatom Projects to NP-089-15
    • Container Leak Testing to GOST R 51827-2001
    • Leak-Tightness Testing to NP-089-14
    • Pipeline-Valve Leak Testing to GOST 9544-2005
    • Leak Testing of GRP Pipes and Fittings to GOST R 55070-2012
    • Vacuum Leak Testing to GOST ISO 13056-2025
    • Leak Testing of Mechanical Joints in Plastic Piping to GOST ISO 3459-2024
    • Power-Transformer Tank Leak Testing to GOST R 55015-2012
    • Power-Transformer Tank Leak Testing to GOST 3484.5-88
    • Leak Testing of Vessels, Equipment, and Connections to RD 26.260.011-99
    • Leak Testing to OST 26-11-14-88
    • Heat-Exchanger Leak Testing
    • Leak Testing to GOST 25804.7-83
    • Leak Testing to GOST 20.57.406-81
    • Leak-Testing Laboratory Services
    • Hydrogen Refuelling-Station Leak Testing to GOST R 55226-2012
    • Leak Testing to GOST 32569-2013
    • Leak Testing to OST 11 0808-92
    • Mass-Spectrometer Leak Testing to GOST 28517-90
    • Leak Testing to OST 26.260.14-2001
    • Leak Testing to OST 5R.0170-81
    • Leak Testing to GOST 28210-89
    • Leak Testing to PNAE G-7-019-89
    • Helium Spray Leak Testing
    • Vacuum-Chamber Leak Testing
    • Probe-Method Leak Testing
    • Electronic-Module Leak Testing
    • Leak Testing of packaging at low pressure during air travel
    • Leak Testing for Rosatom Projects to GOST R 50.05.11-2018
    • Leak Testing and Leak Location with a Leak Detector
    • Underground Pipe Leak Location
    • Cryogenic leak testing
    • Pressure-Decay Leak Testing
  • Software, Equipment and Documentation Development
    • Assembly of industrial pneumatics systems
    • Programming of industrial controllers
  • Ultrasonic Testing
    • Ultrasonic Testing of Calcium-Silicate Bricks and Units to GOST 24332-88
    • Ultrasonic Testing of Refractory Concrete Products to GOST 24830-81
    • Reference Blocks for Ultrasonic Testing of Aluminium-Alloy Products to GOST 21397-81
    • Ultrasonic Testing to GOST 26266-90
    • Ultrasonic Thickness-Gauge Testing to GOST R 55614-2013
    • Ultrasonic Testing of Brazed Joints to GOST 26126-84
    • Ultrasonic Testing of Round and Rectangular Bars and Billets to GOST 21120-75
    • Ultrasonic Testing of Multilayer Plain Bearings to GOST R ISO 4386-1-94
    • Ultrasonic Testing of Concrete Strength to GOST 17624-87
    • Ultrasonic Thickness Measurement of Pressure Steel Pipes to GOST R ISO 10543-99
    • Ultrasonic Integrity Testing of Pressure Steel Pipes to GOST R ISO 10332-99
    • Ultrasonic Lamination Testing of Steel Pipes to GOST R ISO 10124-99
    • Ultrasonic Testing of Seamless Metal Pipes to GOST 17410-78
    • Ultrasonic Testing of Ferrous and Non-Ferrous Forgings to OST 24507-80
    • Ultrasonic Testing of Reinforcing-Bar Butt Welds to GOST 23858-2019
    • Ultrasonic Testing of Heavy Plate to GOST 28831-90
    • Ultrasonic Testing of Welded Joints to GOST R ISO 17640-2016
    • Ultrasonic Testing of Welded Joints to GOST R 55724-2013
    • Ultrasonic Testing of Railway Rails to GOST 18576-96
    • Ultrasonic Testing of Rolled Sheet to GOST 22727-88
    • Coating-Thickness Measurement to GOST 27750-88
    • Ultrasonic Thickness Measurement to GOST R ISO 16809-2015
    • Ultrasonic Testing to GOST R 50.05.03-2022
    • Ultrasonic Testing to GOST R 50.05.02-2022
    • Ultrasonic Testing to GOST R 50.05.04-2022
  • Pressure Measurement and Vacuum Generation
    • Testing materials for gas permeability ASTM D1434-82, TSO-C69c, GOST R 54615-2011 by differential pressure method
    • Rental of vacuum pumps
    • Vacuum Measurement in Cryogenic-Tank Insulation
    • Vacuum pressure measurement
    • Vacuum Pump-Down Service
  • Vacuum Equipment Service
    • Replacement Leak Detector with Current Metrological Verification
    • Manufacture of seals for vacuum chambers
    • Cryogenic-Tank Vacuum Insulation Restoration
    • Maintenance of leak detectors
    • Vacuum Gauge Setup and Repair
    • Service contract for vacuum equipment
  • Vacuum and Process-System Audits
    • Qualification of Leak-Test Systems to GOST R 8.568-2017
    • Audit of vacuum installations
Training
  • Advanced Vacuum Equipment Training
    • Vacuum Technology and Leak Testing Training, 9–11 December 2026
    • Leak Detector Instruction, Vacuum Pump Commissioning, and Individual Leak-Test Training
  • Operating Manuals
    • CBVAC turbomolecular vacuum pumps of the JFB series: operating manual
    • STFJ-1600S Vacuum Pumping System: Operating Guide
    • Instructions for maintenance of helium leak detector ASM 142 and ASM 142 S
    • Helium leak detector ASM142. Operating manual.
    • ULVAC MBS-053 Roots Booster Vacuum Pump: Operating Guide
    • Helium leak detectors NHJ 400, NHJ 600, NHJ 800 – operating manual
    • ASM 1002 Helium Leak Detector: Operating Guide
    • ZQJ-LeakLab-3300 Helium Mass-Spectrometer Leak Detector: Operating Guide
    • 8141 Vacuum Relief Valve: Operating Guide
    • PTI-10 leak detector. Operating manual.
    • ASM 310 Leak Detector: Maintenance Guide
    • LeakLab Manotest Pneumatic Leak Tester: Operating Guide
    • CBVAC SSH20 Oil-Free Vacuum Pump: Operating Guide
    • CBVAC Capacitance-Diaphragm Vacuum Gauges
    • Teledyne Hastings HPM 4/5/6 Vacuum Gauge: Operating Guide
    • AGP4000 Wide-Range Vacuum Gauge: Operating Guide
    • ASAIR AGP21 Capacitance-Diaphragm Vacuum Gauge, AGP2100–AGP2113: Operating Guide
    • AGP Pirani Vacuum Gauge, 1×10⁵–1 Pa, ±5%: Operating Guide
    • KYKY CXF Magnetically Levitated Turbomolecular Pump: Operating Guide
    • Examples of the use of scanning electron microscopes
    • Scanning electron microscopes KYKY-EM6900. Examples of images
    • Scanning electron microscopes KYKY EM-8000. Examples of images.
    • ASM 340 Leak Detector: Operating Guide
    • ASM 340 Leak Detector: Maintenance Guide
    • KYKY ion pump controller. Operating manual
    • KYKY Sputter-Ion Pumps: Operating Guide
    • Compact turbomolecular pumps KYKY FF with built-in controller. Operating manual
    • TI1-50 leak detector. Operating manual
    • ZQJ Helium Mass-Spectrometer Leak Detector: Operating Guide
  • Vacuum Technology Reference Material
    • LeakLab Vacuum Fittings and Connections
    • KF Connection Standards for Vacuum Systems
    • Cookie Policy
    • Privacy Policy
    • Selecting a Leak-Test Method and Leak-Tightness Class under GOST R 50.05.01-2018
    • High vacuum pumps
    • Pressure-Decay Leak Testing: Engineering Principles
    • Leak Testing of Components
    • Leak Testing: Leak Physics, Inspection Methods, and Industrial Practice
    • Leak Testing to GOST 28210-89 (IEC 68-2-17): From Bubble Methods to Mass Spectrometry
    • Leak-Testing Laboratory Practice: LeakLab Experience
    • Multilevel Leak-Testing System for Pressure Vessels and Equipment
    • Selection of vacuum equipment for chemical processes
    • EN 473:2008 — Qualification and Certification of NDT Personnel
    • How to Calibrate the AGILENT HLD MR15
    • Five Product Leak-Tightness Classes
    • Allowable Leak-Rate Threshold
    • Leak-Testing Service
    • Rejection Thresholds and Leak-Tightness Requirements
    • No System Is Absolutely Leak-Tight
    • Relationship Between Defect Size and Leak Rate
    • Vacuum Pressure Units
    • Leak-Rate Units
  • Books
    • The Book "Leak Testing" — 2025 Edition, 239 Pages
Resources
  • Special Offers
  • News
  • Articles
  • Opportunities
    • Processing
    • Buttons
    • Icons
    • Elements
  • Questions and Answers
  • Reviews
Contacts
    Leak Testing and Vacuum Technology | LeakLab
    Company
    • Partners
    • Careers
    • Project Enquiries
    Catalog
    • Books
    • Leak Detectors
      Leak Detectors
      • Leak-Test Systems
      • Portable Helium Leak Detectors
      • Pressure-Change Leak-Test Instruments
      • Helium Mass-Spectrometer Leak Detectors
    • Vacuum Components
      Vacuum Components
      • Gas-Filling Stands for Testing
      • KYKY Vacuum Gate Valves
      • Vacuum Bellows
      • Vacuum Test Chambers
      • Vacuum Valves
    • Vacuum Pumps
      Vacuum Pumps
      • Atmosphere-to-High-Vacuum Dry Pumps
      • High-Vacuum Pumping Stations
      • Ion Pumps
      • KYKY RV Rotary-Vane Pumps
      • Roots Booster Pumps
      • Screw Vacuum Pumps
      • Tank Evacuation Systems
      • Turbomolecular Pumps
    • Helium Reference Leaks
      Helium Reference Leaks
      • Capillary Helium Reference Leaks
      • Gelit Reference Leaks
      • Reference Leaks for Pfeiffer and Adixen ASM Detectors
    • Scanning Electron Microscopes
      Scanning Electron Microscopes
    • Gas Flow Meters
      Gas Flow Meters
    • Vacuum Gauges
      Vacuum Gauges
      • ASAIR Vacuum Gauges
      • CBVAC Vacuum Gauges
      • KYKY Vacuum Gauges
      • Meradat VIT Vacuum Gauges
      • Quadrupole Mass Spectrometers
      • Vacuum Gauges for Cryogenic Vessels
    • Leak-Detector Accessories
      Leak-Detector Accessories
      • Leak-Detector Spare Parts
      • Vacuum-System Filters and Traps
    Services
    • Leak Testing
      • Air pressure-decay testing of tanks and vessels
      • Leak testing under GOST, OST, ISO and ASTM
      • Helium hood leak testing under ASTM E1603/E1603M
      • Chamber leak testing under ASTM E493/E493M
      • Helium sniffer testing under ASTM E499/E499M
      • Helium spray testing under ASTM E498/E498M
      • Packaging leak testing under GOST 34760-2021
      • Leak-test metrology: ISO 20486 and ISO 3530
      • Developing helium and vacuum test programmes
      • Valve-seat leak tightness under GOST 9544-2015
      • Tracer-gas leak testing under ISO 20485
      • Vacuum leak testing under GOST R 53177-2008
      • Helium Leak Testing to OST 92-1527-89
      • Leak Testing to GOST 24054-80
      • Leak Testing to NP-105-18
      • Leak Testing for Rosatom Projects to NP-089-15
      • Container Leak Testing to GOST R 51827-2001
      • Leak-Tightness Testing to NP-089-14
      • Pipeline-Valve Leak Testing to GOST 9544-2005
      • Leak Testing of GRP Pipes and Fittings to GOST R 55070-2012
      • Vacuum Leak Testing to GOST ISO 13056-2025
      • Leak Testing of Mechanical Joints in Plastic Piping to GOST ISO 3459-2024
      • Power-Transformer Tank Leak Testing to GOST R 55015-2012
      • Power-Transformer Tank Leak Testing to GOST 3484.5-88
      • Leak Testing of Vessels, Equipment, and Connections to RD 26.260.011-99
      • Leak Testing to OST 26-11-14-88
      • Heat-Exchanger Leak Testing
      • Leak Testing to GOST 25804.7-83
      • Leak Testing to GOST 20.57.406-81
      • Leak-Testing Laboratory Services
      • Hydrogen Refuelling-Station Leak Testing to GOST R 55226-2012
      • Leak Testing to GOST 32569-2013
      • Leak Testing to OST 11 0808-92
      • Mass-Spectrometer Leak Testing to GOST 28517-90
      • Leak Testing to OST 26.260.14-2001
      • Leak Testing to OST 5R.0170-81
      • Leak Testing to GOST 28210-89
      • Leak Testing to PNAE G-7-019-89
      • Helium Spray Leak Testing
      • Vacuum-Chamber Leak Testing
      • Probe-Method Leak Testing
      • Electronic-Module Leak Testing
      • Leak Testing of packaging at low pressure during air travel
      • Leak Testing for Rosatom Projects to GOST R 50.05.11-2018
      • Leak Testing and Leak Location with a Leak Detector
      • Underground Pipe Leak Location
      • Cryogenic leak testing
      • Pressure-Decay Leak Testing
    • Software, Equipment and Documentation Development
      • Assembly of industrial pneumatics systems
      • Programming of industrial controllers
    • Ultrasonic Testing
      • Ultrasonic Testing of Calcium-Silicate Bricks and Units to GOST 24332-88
      • Ultrasonic Testing of Refractory Concrete Products to GOST 24830-81
      • Reference Blocks for Ultrasonic Testing of Aluminium-Alloy Products to GOST 21397-81
      • Ultrasonic Testing to GOST 26266-90
      • Ultrasonic Thickness-Gauge Testing to GOST R 55614-2013
      • Ultrasonic Testing of Brazed Joints to GOST 26126-84
      • Ultrasonic Testing of Round and Rectangular Bars and Billets to GOST 21120-75
      • Ultrasonic Testing of Multilayer Plain Bearings to GOST R ISO 4386-1-94
      • Ultrasonic Testing of Concrete Strength to GOST 17624-87
      • Ultrasonic Thickness Measurement of Pressure Steel Pipes to GOST R ISO 10543-99
      • Ultrasonic Integrity Testing of Pressure Steel Pipes to GOST R ISO 10332-99
      • Ultrasonic Lamination Testing of Steel Pipes to GOST R ISO 10124-99
      • Ultrasonic Testing of Seamless Metal Pipes to GOST 17410-78
      • Ultrasonic Testing of Ferrous and Non-Ferrous Forgings to OST 24507-80
      • Ultrasonic Testing of Reinforcing-Bar Butt Welds to GOST 23858-2019
      • Ultrasonic Testing of Heavy Plate to GOST 28831-90
      • Ultrasonic Testing of Welded Joints to GOST R ISO 17640-2016
      • Ultrasonic Testing of Welded Joints to GOST R 55724-2013
      • Ultrasonic Testing of Railway Rails to GOST 18576-96
      • Ultrasonic Testing of Rolled Sheet to GOST 22727-88
      • Coating-Thickness Measurement to GOST 27750-88
      • Ultrasonic Thickness Measurement to GOST R ISO 16809-2015
      • Ultrasonic Testing to GOST R 50.05.03-2022
      • Ultrasonic Testing to GOST R 50.05.02-2022
      • Ultrasonic Testing to GOST R 50.05.04-2022
    • Pressure Measurement and Vacuum Generation
      • Testing materials for gas permeability ASTM D1434-82, TSO-C69c, GOST R 54615-2011 by differential pressure method
      • Rental of vacuum pumps
      • Vacuum Measurement in Cryogenic-Tank Insulation
      • Vacuum pressure measurement
      • Vacuum Pump-Down Service
    • Vacuum Equipment Service
      • Replacement Leak Detector with Current Metrological Verification
      • Manufacture of seals for vacuum chambers
      • Cryogenic-Tank Vacuum Insulation Restoration
      • Maintenance of leak detectors
      • Vacuum Gauge Setup and Repair
      • Service contract for vacuum equipment
    • Vacuum and Process-System Audits
      • Qualification of Leak-Test Systems to GOST R 8.568-2017
      • Audit of vacuum installations
    Training
    • Advanced Vacuum Equipment Training
      • Vacuum Technology and Leak Testing Training, 9–11 December 2026
      • Leak Detector Instruction, Vacuum Pump Commissioning, and Individual Leak-Test Training
    • Operating Manuals
      • CBVAC turbomolecular vacuum pumps of the JFB series: operating manual
      • STFJ-1600S Vacuum Pumping System: Operating Guide
      • Instructions for maintenance of helium leak detector ASM 142 and ASM 142 S
      • Helium leak detector ASM142. Operating manual.
      • ULVAC MBS-053 Roots Booster Vacuum Pump: Operating Guide
      • Helium leak detectors NHJ 400, NHJ 600, NHJ 800 – operating manual
      • ASM 1002 Helium Leak Detector: Operating Guide
      • ZQJ-LeakLab-3300 Helium Mass-Spectrometer Leak Detector: Operating Guide
      • 8141 Vacuum Relief Valve: Operating Guide
      • PTI-10 leak detector. Operating manual.
      • ASM 310 Leak Detector: Maintenance Guide
      • LeakLab Manotest Pneumatic Leak Tester: Operating Guide
      • CBVAC SSH20 Oil-Free Vacuum Pump: Operating Guide
      • CBVAC Capacitance-Diaphragm Vacuum Gauges
      • Teledyne Hastings HPM 4/5/6 Vacuum Gauge: Operating Guide
      • AGP4000 Wide-Range Vacuum Gauge: Operating Guide
      • ASAIR AGP21 Capacitance-Diaphragm Vacuum Gauge, AGP2100–AGP2113: Operating Guide
      • AGP Pirani Vacuum Gauge, 1×10⁵–1 Pa, ±5%: Operating Guide
      • KYKY CXF Magnetically Levitated Turbomolecular Pump: Operating Guide
      • Examples of the use of scanning electron microscopes
      • Scanning electron microscopes KYKY-EM6900. Examples of images
      • Scanning electron microscopes KYKY EM-8000. Examples of images.
      • ASM 340 Leak Detector: Operating Guide
      • ASM 340 Leak Detector: Maintenance Guide
      • KYKY ion pump controller. Operating manual
      • KYKY Sputter-Ion Pumps: Operating Guide
      • Compact turbomolecular pumps KYKY FF with built-in controller. Operating manual
      • TI1-50 leak detector. Operating manual
      • ZQJ Helium Mass-Spectrometer Leak Detector: Operating Guide
    • Vacuum Technology Reference Material
      • LeakLab Vacuum Fittings and Connections
      • KF Connection Standards for Vacuum Systems
      • Cookie Policy
      • Privacy Policy
      • Selecting a Leak-Test Method and Leak-Tightness Class under GOST R 50.05.01-2018
      • High vacuum pumps
      • Pressure-Decay Leak Testing: Engineering Principles
      • Leak Testing of Components
      • Leak Testing: Leak Physics, Inspection Methods, and Industrial Practice
      • Leak Testing to GOST 28210-89 (IEC 68-2-17): From Bubble Methods to Mass Spectrometry
      • Leak-Testing Laboratory Practice: LeakLab Experience
      • Multilevel Leak-Testing System for Pressure Vessels and Equipment
      • Selection of vacuum equipment for chemical processes
      • EN 473:2008 — Qualification and Certification of NDT Personnel
      • How to Calibrate the AGILENT HLD MR15
      • Five Product Leak-Tightness Classes
      • Allowable Leak-Rate Threshold
      • Leak-Testing Service
      • Rejection Thresholds and Leak-Tightness Requirements
      • No System Is Absolutely Leak-Tight
      • Relationship Between Defect Size and Leak Rate
      • Vacuum Pressure Units
      • Leak-Rate Units
    • Books
      • The Book "Leak Testing" — 2025 Edition, 239 Pages
    Resources
    • Special Offers
    • News
    • Articles
    • Opportunities
      • Processing
      • Buttons
      • Icons
      • Elements
    • Questions and Answers
    • Reviews
    Contacts
      Leak Testing and Vacuum Technology | LeakLab
      • Company
        • Back
        • Company
        • Partners
        • Careers
        • Project Enquiries
      • Catalog
        • Back
        • Catalog
        • Books
        • Leak Detectors
          • Back
          • Leak Detectors
          • Leak-Test Systems
          • Portable Helium Leak Detectors
          • Pressure-Change Leak-Test Instruments
          • Helium Mass-Spectrometer Leak Detectors
            • Back
            • Helium Mass-Spectrometer Leak Detectors
            • LeakLab Helium Leak-Detector Packages
            • ZQJ-LeakLab-3300 Integration Packages
        • Vacuum Components
          • Back
          • Vacuum Components
          • Gas-Filling Stands for Testing
          • KYKY Vacuum Gate Valves
          • Vacuum Bellows
            • Back
            • Vacuum Bellows
            • CF Vacuum Bellows
            • ISO-K Vacuum Bellows
            • KF Vacuum Bellows
          • Vacuum Test Chambers
          • Vacuum Valves
        • Vacuum Pumps
          • Back
          • Vacuum Pumps
          • Atmosphere-to-High-Vacuum Dry Pumps
            • Back
            • Atmosphere-to-High-Vacuum Dry Pumps
            • JZB Atmosphere-to-High-Vacuum Pumps
          • High-Vacuum Pumping Stations
            • Back
            • High-Vacuum Pumping Stations
            • CBVAC JFJ High-Vacuum Pumping Stations
            • KYKY High-Vacuum Pumping Stations
          • Ion Pumps
            • Back
            • Ion Pumps
            • Diode Ion Pumps for Heavy Gases
            • Triode Ion Pumps for Noble Gases
          • KYKY RV Rotary-Vane Pumps
          • Roots Booster Pumps
          • Screw Vacuum Pumps
          • Tank Evacuation Systems
          • Turbomolecular Pumps
            • Back
            • Turbomolecular Pumps
            • Grease-Lubricated KYKY Turbomolecular Pumps
            • JFB Ceramic-Bearing Turbomolecular Pumps
            • KYKY CXF Magnetically Levitated Turbomolecular Pumps
            • KYKY FF Turbomolecular Pumps for Vacuum Insulation
            • MTP Magnetically Levitated Turbomolecular Pumps
        • Helium Reference Leaks
          • Back
          • Helium Reference Leaks
          • Capillary Helium Reference Leaks
          • Gelit Reference Leaks
          • Reference Leaks for Pfeiffer and Adixen ASM Detectors
        • Scanning Electron Microscopes
        • Gas Flow Meters
        • Vacuum Gauges
          • Back
          • Vacuum Gauges
          • ASAIR Vacuum Gauges
          • CBVAC Vacuum Gauges
          • KYKY Vacuum Gauges
          • Meradat VIT Vacuum Gauges
          • Quadrupole Mass Spectrometers
          • Vacuum Gauges for Cryogenic Vessels
        • Leak-Detector Accessories
          • Back
          • Leak-Detector Accessories
          • Leak-Detector Spare Parts
          • Vacuum-System Filters and Traps
      • Services
        • Back
        • Services
        • Leak Testing
          • Back
          • Leak Testing
          • Air pressure-decay testing of tanks and vessels
          • Leak testing under GOST, OST, ISO and ASTM
          • Helium hood leak testing under ASTM E1603/E1603M
          • Chamber leak testing under ASTM E493/E493M
          • Helium sniffer testing under ASTM E499/E499M
          • Helium spray testing under ASTM E498/E498M
          • Packaging leak testing under GOST 34760-2021
          • Leak-test metrology: ISO 20486 and ISO 3530
          • Developing helium and vacuum test programmes
          • Valve-seat leak tightness under GOST 9544-2015
          • Tracer-gas leak testing under ISO 20485
          • Vacuum leak testing under GOST R 53177-2008
          • Helium Leak Testing to OST 92-1527-89
          • Leak Testing to GOST 24054-80
          • Leak Testing to NP-105-18
          • Leak Testing for Rosatom Projects to NP-089-15
          • Container Leak Testing to GOST R 51827-2001
          • Leak-Tightness Testing to NP-089-14
          • Pipeline-Valve Leak Testing to GOST 9544-2005
          • Leak Testing of GRP Pipes and Fittings to GOST R 55070-2012
          • Vacuum Leak Testing to GOST ISO 13056-2025
          • Leak Testing of Mechanical Joints in Plastic Piping to GOST ISO 3459-2024
          • Power-Transformer Tank Leak Testing to GOST R 55015-2012
          • Power-Transformer Tank Leak Testing to GOST 3484.5-88
          • Leak Testing of Vessels, Equipment, and Connections to RD 26.260.011-99
          • Leak Testing to OST 26-11-14-88
          • Heat-Exchanger Leak Testing
          • Leak Testing to GOST 25804.7-83
          • Leak Testing to GOST 20.57.406-81
          • Leak-Testing Laboratory Services
          • Hydrogen Refuelling-Station Leak Testing to GOST R 55226-2012
          • Leak Testing to GOST 32569-2013
          • Leak Testing to OST 11 0808-92
          • Mass-Spectrometer Leak Testing to GOST 28517-90
          • Leak Testing to OST 26.260.14-2001
          • Leak Testing to OST 5R.0170-81
          • Leak Testing to GOST 28210-89
          • Leak Testing to PNAE G-7-019-89
          • Helium Spray Leak Testing
          • Vacuum-Chamber Leak Testing
          • Probe-Method Leak Testing
          • Electronic-Module Leak Testing
          • Leak Testing of packaging at low pressure during air travel
          • Leak Testing for Rosatom Projects to GOST R 50.05.11-2018
          • Leak Testing and Leak Location with a Leak Detector
          • Underground Pipe Leak Location
          • Cryogenic leak testing
          • Pressure-Decay Leak Testing
        • Software, Equipment and Documentation Development
          • Back
          • Software, Equipment and Documentation Development
          • Assembly of industrial pneumatics systems
          • Programming of industrial controllers
        • Ultrasonic Testing
          • Back
          • Ultrasonic Testing
          • Ultrasonic Testing of Calcium-Silicate Bricks and Units to GOST 24332-88
          • Ultrasonic Testing of Refractory Concrete Products to GOST 24830-81
          • Reference Blocks for Ultrasonic Testing of Aluminium-Alloy Products to GOST 21397-81
          • Ultrasonic Testing to GOST 26266-90
          • Ultrasonic Thickness-Gauge Testing to GOST R 55614-2013
          • Ultrasonic Testing of Brazed Joints to GOST 26126-84
          • Ultrasonic Testing of Round and Rectangular Bars and Billets to GOST 21120-75
          • Ultrasonic Testing of Multilayer Plain Bearings to GOST R ISO 4386-1-94
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      • Gas Flow Meters

      Gas Flow Meters

      Image: AS200B / AS200L Digital Gas Mass Flow Controller, 50–300 SLM
      AS200B / AS200L Digital Gas Mass Flow Controller, 50–300 SLM
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      Image: AS200 Digital Gas Mass Flow Controller, 3–30 L/min
      AS200 Digital Gas Mass Flow Controller, 3–30 L/min
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      Image: AMC2000 Digital Gas Mass Flow Controller, 100–1000 mL/min
      AMC2000 Digital Gas Mass Flow Controller, 100–1000 mL/min
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      Image: LeakLab-R Low-Flow Gas Meter, 0.025–1 L/min
      LeakLab-R Low-Flow Gas Meter, 0.025–1 L/min
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      Low-flow meters and controllers selected by gas, reference conditions and pressure.
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