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2016 Coal mine using GPD series negative pressure sensor
Application
Negative pressure sensors can be used to measure and control PRESSURE of liquids, gas, fluids in:
Electric power, water treatment,
Environmental protection,
Forklift weighing system,
Fuel pressure measurement
Oil & Gas and Hydraulic press,
HVAC systems, air condition,
Petroleum and chemical industry,
Other automatic control industries.
Description
1. Negative pressure sensors adopt advanced imported sensor component, which is combined with the solid state integrated technological and isolate diaphragm technology.
2. The negative pressure sensors is designed to work well for measuring all kinds of air, liquids, gas, fluids, even though weak-corrosive media under all-weather environments.
3. The temperature compensation resistance makes on the ceramic base, which is the excellent technology of the negative pressure sensors .
4. Various output signals, compact construct design, strong anti-jamming, which makes this pressure transmitter is suitable for all kinds of automation control industries.
Specification
Name | Negative pressure sensors | ||
Pressure range | 0—0.2~100kPa, 0 — 0.2kPa~400MPa | ||
Accuracy | 0.1%FS; 0.2%FS; 0.5 %FS | ||
Pressure type | Gauge pressure(G), Absolute pressure(A), Sealed pressure(S), Negative pressure (N). | ||
Process connection | G1/2,M20*1.5,1/4NPT,1/2NPT, Customized | ||
Electrical connector | Hirschmann(DIN), Cable leads, Bendix connector(5PIN,4PIN) | ||
Output signal | 4-20mA (1-5V); 4-20mA with HART protocol;0-10mA(0-5V); 0-20mA(0-10V) | ||
Power supply | 24V DC( 12~30VDC) | ||
Compensation range | -10~70℃ | ||
Operation temperature | -40~85℃ | ||
Material of Pressure transmitter | Housing: SUS304 | ||
Wetted part: SUS304/ SUS316L/ Teflon | |||
Media | gas, air, liquids, weak corrosive gas | ||
Indicator (local display ) | 3 1/2 LCD, 3 1/2 LED indicator, | ||
Maximum pressure | Measurement upper limit | Overload | Long term stability |
<50kPa | 2~5 times | <0.5%FS/year | |
≥50kPa | 1.5~3 times | <0.2%FS/year | |
Explosion-proof type | Ex iaIICT6, Ex dIIBT4 | ||
Note: When range <1kPa, only no corrosion or weak corrosive gas can be measured. | |||
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