Single-Crystal Silicon High-Temperature Pressure Transmitter
Key Features
Widely used in mechanical engineering, automation control, and various other fields
Measurement range: -0.1 to 100MPa
Accuracy: Up to 0.075%FS
Product Overview
The Single-Crystal Silicon High-Temperature Pressure Transmitter incorporates advanced single crystal silicon sensing technology, standard HART protocol, and temperature compensation, converting pressure variations into linear standardized current/voltage signals. It delivers ultra-high accuracy and repeatability, excellent vibration resistance, and a wide measurement range, making it suitable for fluid and gas pressure measurement in machinery and engineering applications. Equipped with on-site programming and display functions, it supports multiple output options to meet diverse operational needs.
Performance Features
Industrial-grade accuracy: Highly stable, with precision up to 0.075 class
Wide measuring range, featuring dual diaphragm protection
Superior stability with strong anti-interference capability
Adjustable damping, excellent overpressure resistance
Extended lifespan: Over twice the durability of conventional diffusion silicon transmitters, ensuring long-term reliability
Technical Specifications
| Parameter | Specification |
|---|---|
| Media Compatibility | Dry gases, gases, liquids, mildly corrosive liquids, viscous liquids |
| Measuring Range | -0.1 to 100MPa |
| Turndown Ratio | 150:1 |
| Accuracy | ±0.075%FS, ±0.1%FS, ±0.25%FS (selectable) |
| Long-term Stability | ≤±0.20% URL (stable for 10 years) |
| Pressure Type | Gauge, absolute, vacuum |
| Display | LED local display (with 3 isolated buttons) |
| Supply Voltage | 12 to 36V DC |
| Output Signal | 4-20mA, RS485, HART, etc. |
| Operating Temperature | -35 to 125°C |
| Overload Pressure | 150%FS |
| Burst Pressure | 200%FS |
| Ambient Temperature | -40 to 80°C |
| Response Time | <1ms (10%~90%FS) |
| Refresh Time | 0.2s |
| Service Life | >1×10⁸ pressure cycles |
| Wetted Materials | 316L stainless steel (optional PTFE/PP coating) |
| Housing Material | Aluminum alloy |
| Protection Rating | IP65 (IP68 optional) |
| Electrical Connection | Terminal wiring / M20×1.5 threaded port |
| Electrical Protection | Overload/reverse polarity protection |
| Explosion Proof Rating | Flameproof ExdⅡCT6, Intrinsic Safety ExiaⅡCT4 |
| Mounting Options | G1/2, G1/4, NPT1/2, NPT1/4, M20×1.5 internal/external thread, GB/T 9119-2010 flange |
| Weight | Approx. 1.4kg |
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