Differential Pressure Transmitter
Differentioal Pressure Transmitter
Features
■ Advanced monocrystalline silicon differential pressure sensor adopted
■ Wide pressure range covering 0-0.2kPa~3MPa
■ Double-wire mode, 4~20mA analog output, HART protocol digital communication option
■ Intelligent LCD gauge outfit with backlight
■ With both the remote transmission and the local zero and pressure range adjustment
■ Complete varieties, high accuracy, good stability,
■ Isolation ex-proof housing structure, strong resistance to the frequency conversion interference
■ High static pressure, high overload protection
■ Patented double overload protection diaphragm design
■ Lightning protection circuit design
Applications and industries
■ Process control fields for the industries such as petroleum, chemical industry, metallurgy, electricity, food, papermaking, medicine, machine manufacturing, scientific experiment and military aviation etc.
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differential pressure transmitter adopting the world advanced monocrystalline silicon pressure sensor technology and the patented packaging process and double overload protection diaphragm design to accurately measure the gauge pressure and differential pressure
Performance parameters | |
Pressure range | -100kPa…0~0.2kPa…3MPa |
Pressure reference | Gauge pressure, Differential pressure |
Supply & output | 4~20mA, 4~20mA+HART® protocol (10.5V~36V, usually 24V) |
Accuracy | ±0.075%FS; ±0.1%FS (typ.) |
Zero temp. coefficient | ±0.25%FS/55℃ |
Full span temperature effect | ±0.5%FS/55℃ |
Ambient temperature | -30℃~80℃; with LCD gauge outfit -30℃~70℃ |
Medium temp. | -40℃~104℃ |
Storage temp. | -40℃~85℃ |
Insulation resistance | ≥100MΩ/500VDC (200MΩ/250VDC) |
Protection grade | IP65 |
Ex-proof grade | Exd II BT6 Gb |
Static pressure range | 16MPa, 25MPa, 40MPa |
Overpressure limitation | 16MPa |
Long-term stability | ±0.2%FS/year |