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Key Features
Glass-to-Metal Sealing Technology (GTMS)
Pins and base are sealed by glass insulator sintering, reliable hermeticity.
Optimized Pin Layout
Pin layout optimized for specific flowmeter structures.
Excellent Hermeticity
Hermeticity meets high-reliability standards, providing long-term protection of internal components.
Customizable Design
Can be customized according to customer drawings, flexibly adapting to specific requirements.
Specific Gas Flowmeters
Suitable for packaging specific models of gas flowmeters.
Industrial Gas Detection
Suitable for industrial gas detection and flow measurement equipment.
Specific Structure Optimization
Pin layout optimized for specific flowmeter structures.
Mature GTMS Process
Backed by a mature glass-to-metal sealing technology platform.
Fast Response to Customization
Can quickly respond to customers' special structural customization requirements.
The Gas Flowmeter (Model II) works by providing electrical interconnection and hermetic protection for the internal sensing elements of specific gas flowmeters. 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 specific model flowmeter are mounted on the mounting surface of the base and connected to the corresponding pins by wire bonding. The optimized pin layout better matches the circuit interfaces of the specific sensing elements, simplifying the external circuit connection.
The electrical signals are transmitted through the pins to the external measurement system, and the sensing elements convert the gas flow information into electrical signal output. The base and the flowmeter housing are welded together to form a hermetic packaging structure, protecting the internal components.
| 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 | Specific gas flowmeters, industrial gas detection |
