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Portable pressure instrument calibrator

A pressure instrument and calibrator technology, which is applied in the direction of measuring fluid pressure, instruments, measuring devices, etc., can solve the problems of cumbersome maintenance work, insufficient safety, and difficulty in guaranteeing inspection quality, and achieves fast and accurate calibration, easy portability, and operation. simple effect

Inactive Publication Date: 2013-08-28
NANJING COLLEGE OF CHEM TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Pressure instruments are instruments installed on site. Due to their large number and prone to failure, the amount of repair and maintenance is very large. Now the maintenance of pressure instruments is on-site maintenance, which is to calibrate instruments such as indicators, regulated power supplies, Standard pressure gauges, pressure calibrators, etc. are brought to the site. Due to the large number of equipment and complicated wiring, and there are often no mains sockets on site, the maintenance work is not only cumbersome but also not safe enough, and the quality of inspection is difficult to guarantee. The second is to remove the pressure gauge. It is not only inefficient but also inconvenient to take it to the instrument calibration room for calibration

Method used

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Embodiment Construction

[0014] The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.

[0015] refer to figure 1 , figure 2 , image 3 , the portable pressure instrument calibrator of the present invention comprises a box body 1 and a panel 2, and a pressure regulating valve 6, a check valve 7, a fine-tuning valve 8, a first pressure gauge 9, and an output pressure connector are installed on the panel 2 11. Digital display meter 12, output current connector 13, power control 14, power connector 15, resistance network 23, pressure transmitter bracket 17, a handle 16 and a second pressure gauge are arranged on the upper part of the box body 1 10. A check valve 3, a high-pressure cylinder 4, an air filter pressure reducer 5, a battery 21, a bracket 22, a high-pressure air pipe 18, and an output pipeline 19 are installed in the box 1. 1 is provided with an air source connector 20.

[0016] refer to image 3 According to the connect...

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Abstract

The invention discloses a portable pressure instrument calibrator, and belongs to the field of automation instrument calibration instruments. The calibrator is characterized by comprising a box body and a panel, wherein the panel is provided with a pressure regulation valve, an inspection valve, a micrometering valve, a first pressure gauge, an output pressure connector, a digital display meter, an output current connector, a power control, a power connector, a resistor network and a pressure transmitter support. The upper portion of the box body is provided with a handle and a second pressure gauge. A check valve, a high-pressure air cylinder, an air filtering pressure reducer, a storage battery, a support, a high-pressure air pipe and an output pipeline are installed in the box body. An air source connector is arranged on the side of the box body. The portable pressure instrument calibrator has the advantages of being compact in structure, convenient to carry, easy to operate and quick and precise in calibration.

Description

technical field [0001] The invention relates to a pressure meter calibrator, which belongs to the field of automatic meter calibrator, in particular to a portable pressure meter calibrator. Background technique [0002] Pressure instruments are instruments installed on site. Due to their large number and prone to failure, the amount of repair and maintenance is very large. Now the maintenance of pressure instruments is on-site maintenance, which is to calibrate instruments such as indicators, regulated power supplies, Standard pressure gauges, pressure calibrators, etc. are brought to the site. Due to the large number of equipment and complicated wiring, and there are often no mains sockets on site, the maintenance work is not only cumbersome but also not safe enough, and the quality of inspection is difficult to guarantee. The second is to remove the pressure gauge. Finally, it is not only inefficient but also inconvenient to take it to the instrument calibration room for c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L27/00
Inventor 郭凯志
Owner NANJING COLLEGE OF CHEM TECH
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