Product name:
Draft Range Differential Pressure Transmitter
Product series:
EJA120E
Product brand:
YOKOGAWA/YOKOGAWA
Product feature:
• Accuracy ±0.2% (optional accuracy ±0.09%)
• Stability ±0.3%/1 year
• Response time 150 milliseconds
• TUV and Exida SIL 2/3 certification
• Local parameter setting (LPS)
• True Draft Range design
• Provides communication protocols including HART 5/7, low-power HART (1~5V DC), FF Fieldbus, PROFIBUS PA, and BRAIN.
Measuring principle:
Monocrystalline silicon resonant sensors perceive measured parameters through changes in the vibration frequency of the resonant beam. When external pressure or density changes, the frequency of the H-shaped resonant beam on the monocrystalline silicon chip changes accordingly, and is converted into a standard electrical signal output by the microprocessor. This technology employs a dual Wheatstone bridge design combined with integrated circuits, effectively reducing hysteresis and minimizing the effects of temperature and static pressure. The sensor features fast response, self-diagnostic capabilities, and high stability.
Product positioning:
Differential Pressure
Using scenario:
The EJA120E high-performance micro differential pressure transmitter utilizes monocrystalline silicon resonant sensor technology and is suitable for measuring the flow, level, density, and pressure of liquids, gases, or steam. The EJA120E converts the measured differential pressure into a 4–20 mA DC current signal output, featuring fast response, remote configuration, and self-diagnosis capabilities.
防爆型式:
非防爆
Ex i
Ex d
精度:
±0.2% o.f.s.
最大量程:
≤1kPa
最小量程:
≥0.1kPa
单侧静压:
≤50kPa
通讯方式:
4-20mA HART
1–5V HART
PROFIBUS PA
FF
BRAIN
一年稳定性:
0.3% URL/年
防护等级:
IP67
外壳材质:
铝/铸铝
316(L) 铸造/卫生型
供电电源:
24V DC
人机界面:
无显示&不可操作
有显示&不可操作
有显示&可操作
SIL认证:
SIL2 (单表)
SIL3 (双表)
All
Instruction
Operation
2D/3D
Certificate
Summary
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