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YH630A Floor Type Pressure Calibration Bench [One Unit]
YH630A fully automatic integrated pressure control system [One Unit] adopts standard integrated design, modular integration, formed into a set of complete functions, flexible configuration, professional and efficient comprehensive verification and calibration equipment. Integrated design layout, set pressure making, pressure control, testing, data collection, data processing as one. Each functional unit is placed inside the platform body, and the computer display screen can be expanded, which is easy for users to operate from multiple angles. It is suitable for the verification and calibration of various pressure meters, pressure transmitters, pressure switches, pressure sensors and other industrial process instruments.
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iconProduct overview

YH630A Floor Type Fully Automatic Integrated Pressure Control System

[One Unit]



YH630A floor type fully Automatic integrated pressure control system adopts standard integrated design, modular integration, aformed into a set of complete functions, flexible configuration, professional and efficient comprehensive verification and calibration equipment. Integrated design layout, set pressure making, pressure control, testing, data collection, data processing as one. Each functional unit is placed inside the platform body, and the computer display screen can be expanded, which is easy for users to operate from multiple angles. It is suitable for the verification and calibration of various pressure meters, pressure transmitters, pressure switches, pressure sensors and other industrial process instruments.

iconProduct function

◆Comply with the latest national calibration regulations;

◆It is composed of high-precision pressure controller (measurement) system, automatic pressure generation and pressurization system, standard digital pressure module (but also intelligent digital pressure tester), calibration software, computer and printer, etc.;

◆The pressure control mode adopts automatic control mode, rapid pressure lifting, instant stability;

◆Parameter setting and automatic control can be achieved through the upper computer software or pressure controller (lower computer) touch screen;

◆It can be set at any fixed point within the range to realize the automatic pressure control;

◆The number of fixed points and the single point pressure stabilization time and times can be edited, the system automatically equals according to the range, and the pressure automatically circulates, without manual intervention;

◆With the real-time display of pressure control data, pressure curve and error curve;

◆Positive and reverse stage promotion function, perfectly realize the reverse verification of the pointer gauge;

◆10-inch touch screen display, icon management menu, Chinese and English operation interface;

◆Number of measurement values shown: 4,5 or 6 optional;

◆With the function of misconnection protection, to avoid circuit damage;

◆Take digital pressure module or pressure calibrator as the pressure control basis, adopt double pressure and pressure closed loop control scheme of pressure change rate, quick response, no overshoot;

◆With a complete protection function, over pressure, sensor fault and other alarm, to protect the safety of the calibrated instrument;

◆The pressure calibration system can realize the full range of automatic pressure, decompression, pressure stabilization, data collection, error calculation, storage and other functions;

◆The automatic pressure calibration system can be replaced with different ranges of digital pressure module or intelligent digital pressure calibration instrument as a standard, for the verification of different ranges and accuracy of the instrument;

◆It can verify the HART, Profibus P A bus pressure instrument;

◆USB/485, WiFi, communication with software;

◆ Pressure unit:Pa, kPa, MPa, psi, bar, mbar, mmH2O, mmHg;

◆Pressure interface: 3*M20*1.5 (the pressure interface is extensible with built-in filter structure).


Instrument Network Version Function (Added)


◆The instrument can be linked to the Internet of Things system platform with one click through WiFi;

◆Verification data automatically uploaded to the cloud, automatic processing, free customers cumbersome operation;

◆ Verification of original records, reports and certificates are permanently saved in the cloud and can be manually deleted;

◆With B / S architecture cloud service, customers can log in anytime and anywhere, and support PC andmobile phone login.


iconTechnical index

Pressure Unit Selection Table：

NamePressure RangeSingle-point Pressure Stabilization TimePressure StabilityWorking Medium
Vacuum Unit(-0.095~0) MPa Standard atmospheric pressure≤10 secondsBetter than 0.005%F.SAir
Micro Pressure Unit（-40～40）kPa≤10 secondsBetter than 0.005%F.SAir
Air Pressure Unit(0～4/6/25/70)MPa≤ 10 secondsBetter than 0.005%F.SAir
Oil Pressure Unit（0～60）MPa≤ 15 secondsBetter than 0.005%F.SElectric insulating oil
（1～100/160）MPa≤ 15 secondsBetter than 0.005%F.SHydraulic oil
Water Pressure Unit（0～60）MPa≤ 15 secondsBetter than 0.005%F.SPurified water


































Recommended combination: Five in one, four in one, three in one, two in one, any choice.


Electrical Measurement Index:

Electrical Measurement FunctionRangeAccuracy
Electric Current Measurement(-30～30)m AResolution: 0.1 μ A, Accuracy: ± (0.01%RD + 0.003%F S)
Voltage Measurement(-30～30)VResolution: 0.1 mV, Accuracy: ± (0.01%RD + 0.003%F S)
DC Output(0～30)VMaximum load capacity 50 mA, overload protection current 120 mA, ± 0.5V
Switch MeasurementBreak-makeLess than 12 ms
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Frequentlyquestions

The verification process can perform data analysis, calculation and automatic identification of excess errors;

Is the hydraulic pressure of the pressure pump unstable or unable to generate pressure normally?
Reasons: 1. Insufficient fuel level in the fuel tank; 2. Damage and leakage at the pipeline joints during transportation; 3. The sealing of the "○" ring of the quick connector is damaged; 4. The air in the system is too much or not completely discharged. Methods of solution: 1. Loosen the fuel tank cap or refuel the fuel tank; 2. Tighten the pipeline joints; 3. Replace the "○" ring (diameter 9 * 2.65); 4. Repeatedly pumping the charging pump allows the air in the system to be discharged with the fuel tank.
The common reasons for unstable hydraulic pressure or inability to generate pressure normally.
1. Insufficient fuel level in the fuel tank; 2. Damage and leakage at the pipeline joints during transportation; 3. Quick connector "○" ring seal damaged; 4. Too much or uncleaned air in the system.
What are the common reasons for empty pressure of pressure pump of manual pressure calibrator?
Reasons: 1. The directional valve does not change direction properly, resulting in air leakage; 2. The positive pressure check valve or negative pressure check valve does not reset after movement, resulting in air pressure phenomenon. Methods of solution: 1. The reversing valve must be reversed in place, and the reversing valve stem cannot be suspended in mid air; 2. Check if the one-way valve seat holes for positive and negative pressure do not meet the requirements; 3. The spring is severely tilted, and the one-way valve core cannot slide freely.
What are the specific advantages of Yuanhuatc's fully automatic pressure calibrator?
Yuanhuatc has high flexibility and adopts advanced analysis algorithms and automatic control technology, which can quickly and accurately complete verification tasks.
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