Calibrated Leaks

VTI sets the bar for quality calibrated leaks. We're the number one manufacturer of traceable calibrated leaks in the world, offering customers the widest available range of regular and custom calibrated leak standards.

Select Calibrator By Gas Type

VTI-CL-Capillary-Leak-Calibrated-Leak
  • Stable: low temperature coefficient of 0/2% per degree celsius
  • Versatile: appropriate for any gas at leak-rate ranges from E-3 to E-6 atm-cc/sec
  • Durable: stainless steel leak element
  • Long-lasting: never needs to be refilled
  • Bakeable: all-metal fittings suitable for ultra-high vacuum environments
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
CLO and CLOR model open-style capillary leak; calibrated leak
  • Stable: low temperature coefficient of 0.2% per degree Celsius
  • Versatile: appropriate for any gas at a wide variety of leak rates
  • Durable: made of all-welded stainless steel
  • Adaptable: easily integrated into a production test-part to simulate a defect with a specific leak rate
  • Bakeable: all-metal fittings suitable for ultra-high vacuum environments
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
A VTI CLP model calibrated leak
  • Never clogs: permeation leak element eliminates the threat of clogging
  • Stable: low temperature coefficient of 4.0% per degree Celsius
  • Versatile: available lea-rates range from E-6 to E-12
  • Bakeable: all-metal fittings suitable for ultra-high vacuum environments
  • Simple: requires minimal user training
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
CLPT_Calibrated_Leak_Permeation_Teflon
  • Never clogs: permeation leak element eliminates the threat of clogging
  • Versatile: available lea-rates range from E-3 to E-9
  • Long-lasting: low depletion rate
  • Simple: requires minimal user training
  • Durable: ideal for industrial environments
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification 
GPC_General_Purpose_Capillary_Leak_Calibrated_Leak
  • Stable: low temperature coefficient of 0.2% per degree Celsius
  • Versatile: leak-rate ranges from E-3 to E-6 atm-cc/sec
  • Durable: made of all-welded stainless steel
  • Long-lasting: low depletion rate
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
GPP_General_Purpose_Permeation_Leak_Calibrated_Leak
  • Never clogs: permeation leak element eliminates the threat of clogging
  • Versatile: available leak-rates range from E-5 to E-9
  • Stable: low temperature coefficient of 4.0% per degree Celsius
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
GPPT_General_Purpose_Permeation_Teflon_Leak_Calibrated_Leak
  • Never clogs: permeation leak element eliminates the threat of clogging
  • Versatile: available leak-rate ranges from e-4 to e-9
  • Stable: low temperature coefficient of 3.0% per degree Celsius
  • Durable: made of all-welded stainless steel
  • Long-lasting: reservoir never needs to be refilled
  • Simple: minimal user training required
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
FSLC_Fixed_Sniffer_Leak_Capillary_Calibrated_Leak_VTI
  • Stable: flow-rate remains the same regardless of temperature
  • Versatile: full leak-rate range for sniffing purposes
  • Durable: stainless steel capillary element
  • Reliable: easy probe positioning for repeatable results
  • Suitable for a wide variety of gases, including sulfur hexafluoride
  • Meets ISO requirements: NIST-traceable, A2LA-accredited calibration Certification
FSLT_Fixed_Sniffer_Leak_Teflon_Calibrated_Permeation_Leak
  • Never clogs: permeation element eliminates threat of clogging
  • Versatile: specify an exact leak-rate at your test point
  • Simple: requires minimal user training
  • Accurate: no dead spaces or false readings
  • Reliable: easy probe positioning allows for repeatable results
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
VSLC_Variable_Sniffer_Leak_Capillary_Calibrated_Leak
  • Stable: flow rate remains unaffected by changes in temperature
  • Versatile: 10 to 1 leak-rate range that can be set without the usual manufacturing variance
  • Durable: made of all-welded, stainless steel
  • Reusable: customers can refill the reservoir with their own gas supply
  • Reliable: easy probe positioning allows for repeatable results
  • Suitable for a wide variety of gases and gas mixtures
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
VSLT_Variable_Sniffer_Leak_Teflon
  • Stable: flow rate remains unaffected by changes in temperature
  • Versatile: 10 to 1 leak-rate range that can be set without the usual manufacturing variance
  • Durable: made of all-welded, stainless steel
  • Reusable: customers can refill the reservoir with their own gas supply
  • Reliable: easy probe positioning allows for repeatable results
  • Suitable for a wide variety of gases and gas mixtures
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
PSO_Positive_Shut_Off_Valve_Calibrated_Leak
  • Essentially no dead volume: no pressure burst on opening
  • Low depletion rates: suitable for high flow-rate applications and use with expensive gases
  • Responsive: instant on-off operation
  • Automated: easily integrated into production systems
  • Long-lasting: valve is only open during use
  • Suitable for a wide variety of gases and gas mixtures
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
FSLTL_Fixed_Sniffer_Leak_Teflon_Liquid_Calibrated_Leak
  • Never clogs: permeation leak element eliminates the threat of clogging
  • Versatile: available leak-rate ranges from 0.01 oz/year to 10 oz/year
  • Durable: made of all-welded stainless steel
  • Reliable: easy probe positioning for repeatable results
  • Long-lasting: reservoir never needs to be refilled
  • Simple: minimal user training required
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
FSLTV_Fixed_Sniffer_Leak_Teflon_Liquid
  • Never clogs: permeation leak element eliminates threat of clogging
  • Versatile: works with all leak detectors and a wide variety of refrigerants at leak-rate ranges from 0.02 oz/year to 20 oz/year
  • Durable: made of all-welded stainless steel
  • Reusable: customers can refill reservoir with onsite gas supplies
  • Reliable: easy probe positioning for repeatable results
  • Simple: minimal user training required
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
RLS_Refrigerant_Leak_Sniffer_Calibrated_Leak
  • Durable: stainless steel leak element
  • Versatile: available for any refrigerant at leak rate ranges from 0.02 oz/year to 20 oz/year
  • Reliable: easy probe positioning for repeatable results
  • Accurate: no false readings or dead spaces
  • Custom: achieve exact leak-rates at your test point
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
RSC_Refrigerant_Sniffer_Calibrator_Calibtrated_Leak
  • Never clogs: permeation leak element eliminates the threat of clogging
  • Versatile: leak-rate ranges between 0.01 oz/year and 10 oz/year
  • Long-lasting: never needs to be refilled
  • Easy-to-use: minimal user training required
  • Accurate: no false readings or large dead spaces
  • Reliable: easy probe positioning for repeatable results
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
OLYMPUS DIGITAL CAMERA
  • Never clogs: permeation leak element eliminates the threat of clogging
  • Long-lasting: reservoir of refrigerant vapor lasts for a year or longer
  • Easy-to-use: minimal user training required
  • Reliable: precision calibrated at VTI's A2LA-accredited laboratory
VTI-CL-Capillary-Leak-Calibrated-Leak
  • Stable: low temperature coefficient of 0/2% per degree celsius
  • Versatile: appropriate for any gas at leak-rate ranges from E-3 to E-6 atm-cc/sec
  • Durable: stainless steel leak element
  • Long-lasting: never needs to be refilled
  • Bakeable: all-metal fittings suitable for ultra-high vacuum environments
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
CLO and CLOR model open-style capillary leak; calibrated leak
  • Stable: low temperature coefficient of 0.2% per degree Celsius
  • Versatile: appropriate for any gas at a wide variety of leak rates
  • Durable: made of all-welded stainless steel
  • Adaptable: easily integrated into a production test-part to simulate a defect with a specific leak rate
  • Bakeable: all-metal fittings suitable for ultra-high vacuum environments
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
CLPT_Calibrated_Leak_Permeation_Teflon
  • Never clogs: permeation leak element eliminates the threat of clogging
  • Versatile: available lea-rates range from E-3 to E-9
  • Long-lasting: low depletion rate
  • Simple: requires minimal user training
  • Durable: ideal for industrial environments
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification 
GPC_General_Purpose_Capillary_Leak_Calibrated_Leak
  • Stable: low temperature coefficient of 0.2% per degree Celsius
  • Versatile: leak-rate ranges from E-3 to E-6 atm-cc/sec
  • Durable: made of all-welded stainless steel
  • Long-lasting: low depletion rate
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
GPPT_General_Purpose_Permeation_Teflon_Leak_Calibrated_Leak
  • Never clogs: permeation leak element eliminates the threat of clogging
  • Versatile: available leak-rate ranges from e-4 to e-9
  • Stable: low temperature coefficient of 3.0% per degree Celsius
  • Durable: made of all-welded stainless steel
  • Long-lasting: reservoir never needs to be refilled
  • Simple: minimal user training required
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
PSO_Positive_Shut_Off_Valve_Calibrated_Leak
  • Essentially no dead volume: no pressure burst on opening
  • Low depletion rates: suitable for high flow-rate applications and use with expensive gases
  • Responsive: instant on-off operation
  • Automated: easily integrated into production systems
  • Long-lasting: valve is only open during use
  • Suitable for a wide variety of gases and gas mixtures
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
VSLC_Variable_Sniffer_Leak_Capillary_Calibrated_Leak
  • Stable: flow rate remains unaffected by changes in temperature
  • Versatile: 10 to 1 leak-rate range that can be set without the usual manufacturing variance
  • Durable: made of all-welded, stainless steel
  • Reusable: customers can refill the reservoir with their own gas supply
  • Reliable: easy probe positioning allows for repeatable results
  • Suitable for a wide variety of gases and gas mixtures
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification

Select Calibrator By Configuration

GPP_General_Purpose_Permeation_Leak_Calibrated_Leak
  • Never clogs: permeation leak element eliminates the threat of clogging
  • Versatile: available leak-rates range from E-5 to E-9
  • Stable: low temperature coefficient of 4.0% per degree Celsius
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
GPPT_General_Purpose_Permeation_Teflon_Leak_Calibrated_Leak
  • Never clogs: permeation leak element eliminates the threat of clogging
  • Versatile: available leak-rate ranges from e-4 to e-9
  • Stable: low temperature coefficient of 3.0% per degree Celsius
  • Durable: made of all-welded stainless steel
  • Long-lasting: reservoir never needs to be refilled
  • Simple: minimal user training required
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
GPC_General_Purpose_Capillary_Leak_Calibrated_Leak
  • Stable: low temperature coefficient of 0.2% per degree Celsius
  • Versatile: leak-rate ranges from E-3 to E-6 atm-cc/sec
  • Durable: made of all-welded stainless steel
  • Long-lasting: low depletion rate
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
A VTI CLP model calibrated leak
  • Never clogs: permeation leak element eliminates the threat of clogging
  • Stable: low temperature coefficient of 4.0% per degree Celsius
  • Versatile: available lea-rates range from E-6 to E-12
  • Bakeable: all-metal fittings suitable for ultra-high vacuum environments
  • Simple: requires minimal user training
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
PSO_Positive_Shut_Off_Valve_Calibrated_Leak
  • Essentially no dead volume: no pressure burst on opening
  • Low depletion rates: suitable for high flow-rate applications and use with expensive gases
  • Responsive: instant on-off operation
  • Automated: easily integrated into production systems
  • Long-lasting: valve is only open during use
  • Suitable for a wide variety of gases and gas mixtures
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
FSLT_Fixed_Sniffer_Leak_Teflon_Calibrated_Permeation_Leak
  • Never clogs: permeation element eliminates threat of clogging
  • Versatile: specify an exact leak-rate at your test point
  • Simple: requires minimal user training
  • Accurate: no dead spaces or false readings
  • Reliable: easy probe positioning allows for repeatable results
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
FSLC_Fixed_Sniffer_Leak_Capillary_Calibrated_Leak_VTI
  • Stable: flow-rate remains the same regardless of temperature
  • Versatile: full leak-rate range for sniffing purposes
  • Durable: stainless steel capillary element
  • Reliable: easy probe positioning for repeatable results
  • Suitable for a wide variety of gases, including sulfur hexafluoride
  • Meets ISO requirements: NIST-traceable, A2LA-accredited calibration Certification
FSLTL_Fixed_Sniffer_Leak_Teflon_Liquid_Calibrated_Leak
  • Never clogs: permeation leak element eliminates the threat of clogging
  • Versatile: available leak-rate ranges from 0.01 oz/year to 10 oz/year
  • Durable: made of all-welded stainless steel
  • Reliable: easy probe positioning for repeatable results
  • Long-lasting: reservoir never needs to be refilled
  • Simple: minimal user training required
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
FSLTV_Fixed_Sniffer_Leak_Teflon_Liquid
  • Never clogs: permeation leak element eliminates threat of clogging
  • Versatile: works with all leak detectors and a wide variety of refrigerants at leak-rate ranges from 0.02 oz/year to 20 oz/year
  • Durable: made of all-welded stainless steel
  • Reusable: customers can refill reservoir with onsite gas supplies
  • Reliable: easy probe positioning for repeatable results
  • Simple: minimal user training required
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
RLS_Refrigerant_Leak_Sniffer_Calibrated_Leak
  • Durable: stainless steel leak element
  • Versatile: available for any refrigerant at leak rate ranges from 0.02 oz/year to 20 oz/year
  • Reliable: easy probe positioning for repeatable results
  • Accurate: no false readings or dead spaces
  • Custom: achieve exact leak-rates at your test point
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
VSLC_Variable_Sniffer_Leak_Capillary_Calibrated_Leak
  • Stable: flow rate remains unaffected by changes in temperature
  • Versatile: 10 to 1 leak-rate range that can be set without the usual manufacturing variance
  • Durable: made of all-welded, stainless steel
  • Reusable: customers can refill the reservoir with their own gas supply
  • Reliable: easy probe positioning allows for repeatable results
  • Suitable for a wide variety of gases and gas mixtures
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
VSLT_Variable_Sniffer_Leak_Teflon
  • Stable: flow rate remains unaffected by changes in temperature
  • Versatile: 10 to 1 leak-rate range that can be set without the usual manufacturing variance
  • Durable: made of all-welded, stainless steel
  • Reusable: customers can refill the reservoir with their own gas supply
  • Reliable: easy probe positioning allows for repeatable results
  • Suitable for a wide variety of gases and gas mixtures
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
RSC_Refrigerant_Sniffer_Calibrator_Calibtrated_Leak
  • Never clogs: permeation leak element eliminates the threat of clogging
  • Versatile: leak-rate ranges between 0.01 oz/year and 10 oz/year
  • Long-lasting: never needs to be refilled
  • Easy-to-use: minimal user training required
  • Accurate: no false readings or large dead spaces
  • Reliable: easy probe positioning for repeatable results
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
OLYMPUS DIGITAL CAMERA
  • Never clogs: permeation leak element eliminates the threat of clogging
  • Long-lasting: reservoir of refrigerant vapor lasts for a year or longer
  • Easy-to-use: minimal user training required
  • Reliable: precision calibrated at VTI's A2LA-accredited laboratory
VSLC_Variable_Sniffer_Leak_Capillary_Calibrated_Leak
  • Stable: flow rate remains unaffected by changes in temperature
  • Versatile: 10 to 1 leak-rate range that can be set without the usual manufacturing variance
  • Durable: made of all-welded, stainless steel
  • Reusable: customers can refill the reservoir with their own gas supply
  • Reliable: easy probe positioning allows for repeatable results
  • Suitable for a wide variety of gases and gas mixtures
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
VSLT_Variable_Sniffer_Leak_Teflon
  • Stable: flow rate remains unaffected by changes in temperature
  • Versatile: 10 to 1 leak-rate range that can be set without the usual manufacturing variance
  • Durable: made of all-welded, stainless steel
  • Reusable: customers can refill the reservoir with their own gas supply
  • Reliable: easy probe positioning allows for repeatable results
  • Suitable for a wide variety of gases and gas mixtures
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
RLS_Refrigerant_Leak_Sniffer_Calibrated_Leak
  • Durable: stainless steel leak element
  • Versatile: available for any refrigerant at leak rate ranges from 0.02 oz/year to 20 oz/year
  • Reliable: easy probe positioning for repeatable results
  • Accurate: no false readings or dead spaces
  • Custom: achieve exact leak-rates at your test point
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
CLO and CLOR model open-style capillary leak; calibrated leak
  • Stable: low temperature coefficient of 0.2% per degree Celsius
  • Versatile: appropriate for any gas at a wide variety of leak rates
  • Durable: made of all-welded stainless steel
  • Adaptable: easily integrated into a production test-part to simulate a defect with a specific leak rate
  • Bakeable: all-metal fittings suitable for ultra-high vacuum environments
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
PSO_Positive_Shut_Off_Valve_Calibrated_Leak
  • Essentially no dead volume: no pressure burst on opening
  • Low depletion rates: suitable for high flow-rate applications and use with expensive gases
  • Responsive: instant on-off operation
  • Automated: easily integrated into production systems
  • Long-lasting: valve is only open during use
  • Suitable for a wide variety of gases and gas mixtures
  • Meets ISO requirements: NIST-traceable, A2LA-accredited Calibration Certification
CL - Capillary Leak CAD Image

VTI replaces a wide variety of calibrated leaks, regardless of their original manufacturer. We also create custom leak solutions tailored to fit the unique needs of each of our customers. For more information about leak replacement and our custom leak fabrication capabilities, please fill out the contact form below.

CL - Capillary Leak CAD Image

VTI replaces a wide variety of calibrated leaks, regardless of their original manufacturer. We also create custom leak solutions tailored to fit the unique needs of each of our customers. For more information about leak replacement and our custom leak fabrication capabilities, please fill out the contact form below.

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