⎝⎛星力捕鱼⎞⎠

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Industry Information
Brief introduction of diaphragm pressure gauge
2012-1-26 18:31:46

Purpose
适用于测量有一定腐蚀性、粘稠介质和非结晶及非凝固的各种流体介质的压力或负压。 The diaphragm pressure gauge is suitable for measuring the pressure or negative pressure of certain corrosive, viscous media and various non-crystalline and non-solidified fluid media.


The diaphragms of different materials can be selected according to the different requirements of the measurement medium on the corrosion performance.


The instrument with stainless steel casing can be used in the harsh working environment.


Structural principle


The instrument consists of a measurement system (including joints, flanges, diaphragms), a transmission mechanism, an indicating device and a housing.


Under the pressure of the measured medium, the elastic element (diaphragm) of the instrument produces an elastic deformation and displacement that is proportional to the pressure, and is amplified by the transmission mechanism through the connecting rod, and the measured pressure value is indicated by the indicating device.


Diaphragm pressure gauges are suitable for measuring the pressure or negative pressure of various fluid media that are corrosive, non-solidified or non-crystalline.

The corrosion resistance depends on the diaphragm material.

Diaphragm pressure gauge structure principle:

The instrument is composed of a measurement system (including flange joints, corrugated diaphragms), a transmission indicating mechanism (including a connecting rod, a gear transmission mechanism, a pointer and a dial), and a housing (including a watch case and a bezel). The meter housing is splash-proof.

It has good tightness, so it can protect its internal mechanism from contamination.

The working principle of the meter is based on the deformation of the elastic element (the diaphragm on the measuring system). 借助连杆组经 Under the pressure of the measured medium, the diaphragm is forced to have a corresponding elastic deformation-displacement.

The transmission of the transmission mechanism is amplified, and the measured value is indicated on the dial by the pointer fixed on the gear.

适用于测量具有一定腐蚀性、非凝固或非结晶的各种流体介质的压力或负压。 Diaphragm pressure gauges are suitable for measuring the pressure or negative pressure of various fluid media that are corrosive, non-solidified or non-crystalline. Corrosion resistance depends on the diaphragm material.

Structural principle

The instrument is composed of a measuring system including a flange joint, a corrugated diaphragm, a transmission indicating mechanism including a connecting rod, a gear transmission mechanism, a pointer and a dial, and a housing including a watch case and a bezel. Meter housing is splash-proof structure

Its tightness can protect its internal institutions from contamination.

The working principle of the meter is based on the elastic element measuring the diaphragm deformation on the system. Under the pressure of the measured medium, the diaphragm is forced to have a corresponding elastic deformation --- displacement, which is transmitted through the transmission mechanism by the link group and pre-released

Large, the measured value is indicated on the dial by the pointer fixed on the gear.

Main technical instructions

Accuracy level: 2.5

Working environment temperature: -40 ~ + 70 ℃; relative humidity is not more than 90%

Temperature influence: When the use temperature deviates from 20 ± 5 ℃, its temperature additional error is not more than 0.04% / ℃

Working position: vertical installation.

Enclosure protection class: IP64