Pressure Sensors
YRD04-YLB-Ex
Flameproof Pressure Transmitter (Exd)
Product Overview
The YRD04-YLB flameproof (Exd) pressure transmitter meets flameproof requirements and is explicitly suitable for explosive atmospheres. Reliable and safe to use with short-circuit and reverse-polarity protection, widely applied to fluid pressure measurement and control in petroleum and chemical plants with explosive gas environments.
Key Features
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Flameproof (Exd) design for explosive atmospheres
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-0.1 to 100 MPa range
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Β±0.25%FS typical accuracy
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316L stainless steel sensor
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Short-circuit & reverse-polarity protection
Technical Specifications
| Range | -0.1 MPaβ¦0 to 0.01β¦100 MPa |
|---|---|
| Overload | 2Γ FS (take minimum) |
| Ex rating | Flameproof (Exd) |
| Accuracy | Β±0.25%FS (typ.), Β±0.5%FS (max) |
| Output | 4β20 mA / 0β5 V / 0β10 V / 0.5β4.5 V / RS485 |
| Supply | 9β32 V DC (current) / 3.3, 5 V DC (voltage) |
| Housing/Sensor | 304 SS / 316L SS |
| Protection | IP65 (connector) / IP68 (cable) |
| Working temp. | -30 to +80 Β°C |
| Long-term stability | Β±0.3%FS/year (max) |
Typical Applications
Petrochemical process pressure
Oil & gas pipeline pressure
Gas pressure monitoring
Coal mining & Ex-rated sites
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