Pressure gauge test bench principle and description The pressure source is an important auxiliary equipment in the pressure instrument measurement work. The pressure transmission medium is air. Due to the adoption of valves and joints, its sealing, durability and lightness are excellent. The pressure calibration station pressure source is an indispensable auxiliary equipment for pressure measurement and has always been favored by the statutory professional measurement department and the thermal measurement and control engineering personnel of the industrial and mining enterprises.

structure:

1. Pressure output port; 2. Stop valve (bleed valve); 3. Fine adjustment knob; 4. Hand pressure pump; 5. Positive and negative pressure switch.

Ready to use:

The media is pure air. Connect the standard or the instrument to the pressure output port 1 and tighten it. When the pressure is positive, the positive/negative changeover switch is pushed into the positive pressure state, and the air release valve 2 is locked. At this time, a positive pressure can be created, and the hand pump 4 is slowly pressed to a certain pressure, and then the fine adjustment 3 spin is used to fine tune the required amount. When the pressure is released, the air valve 2 must be loosened and opened slowly. At this time, the negative pressure can be created, and the pressure generation step is the same as the positive pressure. After the test is completed or when it is not used for a long time, it is necessary to cover the instrument well so as not to impair the life of the internal check valve.

Technical Parameters:

Pressure range: -0.095-2.5Mpa0-4Mpa

Pressure fineness: 10pa

Pressure medium: Clean air tightness: leakage <0.2% F · S points Dimensions: 400 * 350 * 100

The main components are made of imported high-quality material lever type design, and the pressure is easy and quick to notice:

1. When the pressure source is not used, plug the output plug well and cover it with a dust cover. Regular maintenance is required.

2, the pressure source has sufficient overload capacity, but do not severely overload, otherwise it will cause one-way valve damage, affect the use of pressure sources.

3. After the test is completed, it is necessary to slowly open and open the air valve during pressure release, and quickly release the pressure, which will cause damage to the index table to be inspected.

4, in the case of pressure, do not use pressure switch valve! In order to prevent the components of the pressure pump body from being damaged, the pressure pump will be stuck, causing no pressure or leakage and affecting the normal use of the instrument.

5. The pressure verification bench pressure generating medium is dry, non-corrosive gas (clean air) with no impurities, dust or oil water entering the interior of the calibration station. Otherwise, the service life of the check valve inside the pressure pump will be affected, resulting in leakage of the calibration table.

6, in the event of a failure, there is no professional testing skills and special testing equipment, do not self-test, please contact the company or local agents, will provide you with integrated solutions.

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