The differential pressure sensor dps (differential pressure sensor) is a sensor used to measure the difference between two pressures, which is usually used to measure the difference between the front and back of a device or component. The working method of the pressure differential sensor is that the measured pressure directly acts on the sensor's film, causing the film to produce a microvoltaic shift proportional to the water pressure, leading to changes in the sensor's capacity and the detection of the change by electronic circuits, and converting to the output of a standard measurement signal corresponding to the pressure。
1) it is recommended that pressure sensors and their three valves be placed at the mid-barrel level, which is used for venting and transducer zero。
2) to approve the poaching of the protective caps on the three valves, to connect the sensor to the monitor and to adjust the sensor to zero under atmospheric conditions in accordance with the instruction of the monitor。
3) the three valves will be closed to air and an impenetrable protective cap will be placed upon the zeroer。
4) the power reaction of the power wave detection system. Power response testing should be carried out after a series of operations such as flushing pipes, exhausting bubbles and connecting patients to zero and calibration. Note: the system requires about one minute of balancing process, followed by small droplets to check whether the wash valve is good and to observe leaks with the naked eye. The installation is subject to periodic inspection after 30 minutes to ensure that the fluid flow is normal and the flow is not leaked. Any minor leak may lead to errors in the guardian readings。
5) dynamic monitoring, as required, after normal system alignment of zero。
The alpha instrument, a specialized research and development manufacturer for the production of micro-pressure sensors, has excellent performance ratios for our differential sensors, which are widely used in a variety of industrial self-controlled environments, including oil pipelines, hydropower, rail traffic, intelligent construction, production self-control, aerospace, military, petrochemical, oil wells, electricity, ships, machine beds, pipelines, wind delivery and boiler pressure。
High-value differential sensors/transmitters166
Pressure media: air or other non-conductive gases
Precision: ± 1. 0%, ± 0. 4%, ± 0. 25%
Scale: one-way 25 pa to 25,000 pa / two-way: ±10 pa to ±10,000 pa
Signal output: 4-20ma, 0-5vdc, 0-10vdc
Overload: positive and reverse 15psi (100kpa)
Zero differential sensors/transmitters 175
Pressure media: air or other non-conductive gases
Precision: ±0. 8%, ±0. 4%, ±0. 25%
Scale: one-way 25 pa to 25,000 pa / two-way: ±10 pa to ±12500 pa
Signal output: 4-20ma, 0-5vdc, 0-10vdc
Overload: positive and reverse 15psi (100kpa)
Lcd display screen micro-discretion sensor/transfer 178
Pressure media: air or other non-conductive gases
Precision: ±0. 8%, ±0. 4%, ±0. 25%
Scale: one-way 25 pa to 25,000 pa / two-way: ±10 pa to ±10,000 pa
Signal output: 4-20ma
Overload: positive and reverse 15psi (100kpa)
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