The guides explain selection and planning principles. Use the current datasheet and manual for the exact model to confirm its range, materials, connection, interface and operating limits.
Featured Vacuum Technology Resources
Start with practical guidance for common product-selection and service-planning questions.
SELECTION GUIDE
Vacuum Gauge Selection Guide
Review pressure range, process gas, measurement performance, connection and controller requirements before choosing a vacuum gauge.
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TECHNICAL ARTICLE
How a Pirani Gauge Works
Understand how thermal conductivity is used for vacuum measurement and which factors affect the indication.
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PREPARATION GUIDE
Preparing for Helium Leak Testing
Collect test-object, pressure, access, cleanliness and acceptance information before requesting a test.
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Selection guide
Vacuum Gauge Selection Guide
Choose a vacuum gauge from the complete pressure envelope, gas and process conditions, required measurement quality, installation and control interface—not from one headline range alone.
Read the GuideTechnical article
How a Pirani Gauge Works
A Pirani gauge infers pressure from pressure-dependent heat transfer between a heated sensing element and the surrounding gas. It is an indirect, gas-dependent measurement.
Read the GuidePreparation guide
Preparing for Helium Leak Testing
A useful helium leak test starts before the detector is connected. Define the objective, test object, pressure direction, acceptance basis, safe limits and required record first.
Read the GuideMeasurement basics
Understanding Vacuum Pressure Ranges
A useful vacuum requirement states an absolute pressure with a unit. Labels such as rough, medium, high and ultra-high vacuum help describe a regime, but they do not replace the numbers needed to select equipment.
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Product selection
Vacuum Valve Selection Factors
Choose a vacuum valve from its system function and the conditions on both sides. Connection size alone does not establish sealing performance, conductance, control behaviour or safe operation.
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Component guide
KF, ISO and CF Vacuum Connections
KF, ISO and CF identify different vacuum connection arrangements. Select the whole joint—flanges, seal, clamp or bolts, materials and installation—not just a familiar nominal size.
Read the GuideService preparation
Preparing a Vacuum Gauge for Calibration
Prepare the complete gauge measurement chain, agree the pressure points and documentation, and disclose process exposure before sending equipment for calibration.
Read the GuideTroubleshooting
Investigating Unstable Vacuum Gauge Readings
A fluctuating vacuum reading can come from real process changes, measurement settings, installation, electrical issues or sensor condition. Record the behaviour before assigning a cause.
Read the GuideApplication note
Planning a Helium Leak Test
Plan a helium leak test around a defined boundary, engineering objective and acceptance basis. Detector capability is only one part of the complete test arrangement.
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