Pressure Automatic Calibration Device

Overview

　YZJ-TThe pressure automatic calibration device is the newly developed full-range pressure automatic detection system. It is a combination of modern metrological testing technology,A new generation metrological calibration equipment integrating computer technology and information management technology.

    This unit is equipped with an automatic vacuum source, an automatic air pressure source, and an automatic hydraulic source.The pressure regulating system constitutes the full-range automatic pressure generation part.; In large quantitiesHigh-precision pressure standard section composed of intelligent pressure modules and intelligent multi-functional precision digital pressure gauges;ByPCMachine, dedicated data acquisition card, printer, andCarefully crafted and meticulously fine-tuned dedicated software forms the intelligent verification management component.;Regulated standard-compliant measurement equipment management software:Comprehensively equipped intoA traceable, full-range automatic pressure calibration device featuring operation automation, data standardization, intelligent management, and standardized results.

    Y(D)ZJ-TPressure Automatic Calibration Device0.1Level below pointer pressure gauges, digital pressure gauges, pressure transmitters, differential pressure transmitters, pressure controllers, and other pressure measuring instruments are calibrated and measured. They are ideal equipment for modern pressure laboratories.
Technical Specifications

1Pressure Range:  Pressure:  0～lMPa              

                       Hydraulic:  0～60MPa              

                       Vacuum:-95～0kPa
2Measurement Range: Pressure:-95kPa～60MPa (Multi-module flexible configuration)
3Pressure Measurement: Accuracy   0.025%F • S    0.05%F • S  

   Voltage Measurement:0～30V   0～5V      Accuracy:±（0.01%RD＋0.005%F·S）   

   Input    Out:0～15V                       Accuracy:±（0.01%RD＋0.005%F·S）  

   Current Measurement:0～30 mA               Accuracy:±（0.01%RD＋0.005%F·S）  

   Input    Out:0～30 mA                   Accuracy:±（0.01%RD＋0.005%F·S）
4Operating Environment: Temperate    Degree:0～50 ）℃            

                        Relative Humidity: ＜95%            

                        Gas    Pressure:86～106）Kpa

5Available    Electricity220V AC

■ Pressure Calibration Device Features

1Wide measurement range-95kPa～60MPaMultiple module selections available within range, wide control coverage.

2High-precision digital pressure gauge unit is independent, capable of standalone operation, and convenient for inspection.。

3The device retains the manual independent inspection function; in the offline state, inspection tasks can be manually completed via the panel keyboard.。

4All dedicated software is developed in accordance with the latest national metrological verification regulations and comes with powerful metrological and equipment management assistance functions.。

5The device incorporates multiple patented technologies, leading in technology.

6Expandable three-channel detection function, capable of simultaneously detecting three pressure gauges。

★ Module Selection Method

N/A:1Partial scales required0.025Please specify the accuracy grade when selecting.

2Smart Pressure Module ModelJC-YM

YMSeries Smart Pressure Modules
• Exquisite and sturdy structural design, integrated封装, excellent performance.
• Uniform standard signal transmission allows a single host to cover the entire range.
• Digital signal transmission with long distance and minimal distortion.
• Available with standard analog signal modules, cost-effective and practical.
• Over“Module Selection Chart”Please specify the range of measurement at the time of order.

★ Module Selection Method

★   Firstly, the customer must clearly confirm the maximum pressure range of the existing pressure gauges to be inspected.PmaxMinimum Pressure RangePminInspection Table Accuracy △Inspected, Pressure Module Accuracy △Module

★   The standard gauge accuracy is equal to the accuracy of the inspected gauge.1/4Value transfer relationship to calculate the multiple of the pressure module range that needs to cover the range of the instrument being testedn;n=△Inspected/(△Module×4)；

★   Pressure module range options are as follows:

   First Pressure Module RangeP1MandatoryPmax,Please provide the Chinese content to be translated.P1=PmaxThe first pressure module.P1The range that can cover the inspected gauge isP1/n；

   Second Pressure Module RangeP2Choose less thanP1/nNext measurement range of the second pressure moduleP2The range that can cover the inspected gauge isP2/n；

   Third Pressure Module RangeP3Please select one that is less thanP2/nNext measurement range for the third pressure moduleP3The range that can cover the inspected gauge isP3/n；

   4th Pressure Module RangeP4Please select less thanP3/nNext calibration range; fourth pressure moduleP4The range that can cover the inspected gauge isP4/n；

       …………

   Up to the minimum measuring range of the inspected gaugePmin。

 For instance:

   We currently have a power plant featuring pressure transmitters within the following ranges:-100KPa、5 KPa、10 KPa、25 KPa、60 KPa、100 KPa、160 KPa、1 MPa、2 MPa、6 MPa、10 MPa、25 MPa、30 MPa、60 MPaThe highest accuracy of this batch of instruments is:0.5Firstly, the accuracy of the standard gauge is equal to the accuracy of the gauge being inspected.1/4Design first, then consider from the highest range down. We select the pressure modules as follows:

   Step 1: As per the calculation method mentioned above, the first step is to...1、2Line, given: △ to be inspected=0.5%， △ module=0.05%, thereby confirming that the pressure module's range covers the inspected gauge's range multiple times.n；n=△Inspected/(Module×4) =0.5％/(0.05％×4)=2.5；

   Step Two: As per the calculation method mentioned above, Item [number or description]3Choose from the following pressure module ranges:

   First Pressure Module RangeP1Mandatory60 MPaPressure ModuleP1=60 MPaFirst Pressure ModuleP1The range that the measuring instrument can cover isP1/n=60 MPa/2.5=24MPa；

   Second Pressure Module RangeP2Choose one that is less than24MPa(P1/n=60MPa/2.5=24MPa)The next range to be inspected, namely,P2=10MPaSecond Pressure ModuleP2The range that can cover the inspected gauge isP2/n=10MPa/2.5=4MPa；

   Third Pressure Module RangeP3Please select one that is less than4MPa(P2/n=10MPa/2.5=4MPa)The next measurable range of the inspection table, namely,P3=2MPaThird Pressure ModuleP3The range that can cover the tested gauge isP3/n=2MPa/2.5=0.8MPa；

   Fourth Pressure Module RangeP4Choose one that is less than0.8MPa(P3/n=2MPa/2.5=0.8MPa)The next measurable range of the inspection table, that is,P3=160KPa; Fourth Pressure ModuleP4The range that the measuring table can coverP4/n=160KPa/2.5=64KPa；

   Module Range for the Fifth Pressure ModuleP5, should be less than64KPa(P4/n=160KPa/2.5=64KPa)The next range to be inspected, namely,P5=60KPaThe fifth pressure moduleP5The range that can cover the inspected gauge isP5/n=60KPa/2.5=24KPa；

   Module Range for the Sixth Pressure ModuleP6, should be less than24KPa(P5/n=60KPa/2.5=24KPa)The next measurement range to be inspected, namely,P6=10KPa; Sixth pressure moduleP6The range that can cover the measured table isP6/n=10KPa/2.5=2.4KPa；

   Module Range for the Seventh Pressure ModuleP7The final choice is-100KPa，P7=-100KPa。

   Select modules from the highest to the lowest according to the above module selection method, and then match them based on requirements and usage habits.YBSSeries of precise digital pressure gauges.