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Key Features
Glass-to-Metal Sealing Technology (GTMS)
Pins and base are sealed by glass insulator sintering, reliable hermeticity.
Customizable Pin Layout
The number and layout of pins can be flexibly customized to suit different circuits.
Excellent Hermeticity
Hermeticity meets high-reliability standards, providing long-term protection of internal components.
Stainless-Steel Base Structure
The stainless-steel base has a solid structure, with impact resistance and vibration resistance.
Gas Flow Measurement
Suitable for core packaging of various gas flowmeters.
Industrial Process Control
Suitable for industrial process gas flow control systems.
Laboratory Instruments
Suitable for laboratory precision gas flow measurement equipment.
Flexible Pin Customization
Pin layout can be flexibly adjusted to meet various circuit design requirements.
Mature GTMS Process
Backed by a mature glass-to-metal sealing technology platform.
Reliable Hermetic Protection
Long-term protection of internal components from environmental influences.
The Gas Flowmeter works by providing electrical interconnection and hermetic protection for the gas flow sensing elements. The base is made of stainless steel; the glass-insulated pins are connected to the base through a sintering process to form a hermetic connection.
The internal sensing elements of the gas flowmeter are mounted on the mounting surface of the base and connected to the corresponding pins by wire bonding.
The base and the flowmeter housing are welded together to form a hermetic packaging structure, ensuring that the internal sensing elements are not eroded by the measured gas and the external environment, guaranteeing the long-term stable measurement accuracy of the flowmeter.
| Parameter | Specification |
|---|---|
| Material | Kovar alloy (Kovar) or stainless steel |
| Process | GTMS |
| Temperature rating | High thermal stability |
| Hermeticity | ≤1×10⁻⁹ Pa·m³/s |
| Electrical insulation | >5000 MΩ at DC 100 V |
| Dimensions | Customizable design |
| Packaging | Standard packaging |
| Applications | Gas flow measurement, industrial process control, laboratory instruments |