Aneroid Barometer Verification Device (Manual Type) XY-630 | High-Precision Grade 0.02 Barometric Calibration Equipment
Nexisense Aneroid Barometer Verification Device (Manual Type) XY-630 adopts a high-accuracy absolute pressure module with an accuracy grade reaching 0.02. It not only meets the calibration needs of all aneroid barometers and aneroid barographs but can also accurately verify digital barometers below grade 0.05, pressure transmitters, and pressure sensors. The device consists of a gas pressure source, a high-precision digital absolute pressure gauge, and a dedicated verification chamber, characterized by simple operation, stability, and reliability. The top cover of the verification chamber is equipped with a transparent tempered glass viewing window, and the base adopts a rubber gasket seal design. The stability of the gas source is controlled through a delay judgment method, with pressure control accuracy no greater than 0.1hPa. The measuring range covers (0~120) kPa and (60~115) kPa, corresponding to altitudes of -1000~40,000m, strictly executed in reference to the JJG272-2007 "Aneroid Barometers and Aneroid Barographs" verification regulation.
With high precision, strong stability, and excellent visibility, this device helps meteorological, aerospace, military, agricultural, and scientific research units effectively enhance their atmospheric pressure measurement traceability, ensuring accurate and consistent calibration results. Nexisense is committed to providing engineering-oriented reliable solutions for the precision metrology field, assisting users in achieving precise barometric calibration and reliable data transmission in complex environments.
Product Highlights
Precisely Addressing Aneroid Barometer Calibration Challenges
Traditional aneroid barometer calibration often faces problems such as unstable pressure control, seal leakage, inconvenient reading, and large altitude simulation errors. These pain points directly affect metrological accuracy and work efficiency. Nexisense Aneroid Barometer Verification Device (Manual Type) adopts a high-precision absolute pressure module and a dedicated verification chamber design, effectively solving these engineering challenges and providing a stable, controllable, and visualized calibration environment.
Three Core Selling Points
Excellent Stability: Pressure control accuracy is no greater than 0.1hPa. It uses a delay judgment method to maintain gas source stability, with low environmental interference, ensuring long-term consistency and reliability of calibration data.
High-precision Calibration Capability: Grade 0.02 accuracy, supporting a wide range of altitude simulations, meeting the precision verification needs of aneroid barometers and digital barometric instruments below grade 0.05.
Operational Convenience: Transparent window design for the verification chamber, optimized seal structure, and simple manual operation. It is easy to integrate in the field or laboratory and complies with JJG272-2007 verification regulations.
Product Overview
Nexisense Aneroid Barometer Verification Device (Manual Type) is a metrological standard equipment specially developed for the calibration of aneroid barometers and aneroid barographs. The product generates precision pressure through a high-accuracy absolute pressure module and achieves direct comparison calibration of the tested instruments with a dedicated verification chamber. Its core value lies in providing a reliable standard source for atmospheric pressure metrology: high precision, strong stability, and simple operation, particularly suitable for occasions requiring the simulation of barometric environments at different altitudes.
This device can not only complete the verification of traditional aneroid barometers but also supports the extended calibration of digital barometers, pressure transmitters, and sensors, helping users build a complete metrological traceability system. With rigorous engineering design, Nexisense provides practical and highly reliable barometric calibration solutions for industries such as meteorology and aerospace, ensuring the scientific validity and traceability of measurement data.
Core Advantages
Nexisense Aneroid Barometer Verification Device (Manual Type) is optimized in its pressure module, verification chamber structure, and control methods, highlighting high precision, stability, and practicality.
Hardware Composition and Structural Advantages: The product consists of a gas pressure source, a high-precision digital absolute pressure gauge, and a dedicated verification chamber. The verification chamber design refers to the dimensions of the DYM3 aneroid barometer. The upper end of the top cover is equipped with a transparent tempered glass viewing window, facilitating accurate readings of the tested instrument's indicated value during testing. The base is provided with a circular groove with a built-in rubber gasket, which fits tightly with the protruding part of the lower end of the top cover to ensure excellent sealing performance and reduce external atmospheric interference. The overall structure is compact, suitable for laboratory or field use.
Accuracy and Stability Optimization: The core adopts a high-accuracy absolute pressure module with an accuracy grade reaching 0.02. Pressure control accuracy is no greater than 0.1hPa. Gas source stability is achieved by controlling the upper and lower limits of the gas source via the host and using a delay method to judge the pressure difference between the standard value and the verification chamber. The measurement range covers (0~120) kPa and (60~115) kPa, simulating altitudes from -1000 to 40,000m, with error controlled within the range of (4~1400) m (different by segments), effectively resisting interference from environment factors such as temperature and vibration.
Visibility and Operational Convenience: The transparent window design significantly improves reading accuracy, and the seal structure reduces leakage risks. The manual type is easy to operate, allowing the calibration process to be completed without complex settings, and maintenance is convenient. The device is designed strictly in accordance with JJG272-2007 "Aneroid Barometers and Aneroid Barographs" verification regulations, ensuring calibration results comply with national metrological standards. Although manually controlled, the high-precision module and stable control methods give it good anti-interference capabilities, suitable for precision metrology environments.
Through these advantages, the Nexisense device provides a stable, high-precision, and easy-to-operate barometric calibration foundation for engineering metrology projects, assisting users in improving the overall reliability of their atmospheric pressure measurement systems.
Technical Parameters
The following are the main technical parameters of the Nexisense Aneroid Barometer Verification Device (Manual Type):
| Parameter | Specification Description |
|---|---|
| Product Composition | Gas pressure source + High-precision digital absolute pressure gauge + Aneroid barometer verification chamber |
| Accuracy Grade | Grade 0.02 |
| Measurement Range | (0~120) kPa, (60~115) kPa |
| Pressure Control Accuracy | No greater than 0.1hPa |
| Altitude Simulation Range | -1000~12,000m (error 4~12m); 12,000~32,000m (error 12~240m); 32,000~40,000m (error 240~1400m) |
| Reference Verification Regulation | JJG272-2007 "Aneroid Barometers and Aneroid Barographs" |
Main Product Features
Strong Visibility: Transparent tempered glass viewing window, convenient for accurate reading
Excellent Sealing: Rubber gasket interlocking structure, reducing leakage
High Stability: Delay judgment method to control gas source difference
This device is suitable for the calibration of aneroid barometers, aneroid barographs, and digital barometers below grade 0.05, pressure transmitters, and pressure sensors.
Application Scenarios
With its high precision and stability characteristics, Nexisense Aneroid Barometer Verification Device (Manual Type) is widely used in the following fields:
Meteorological Departments and Weather Forecasting: Calibrate aneroid barometers and barographs to ensure accurate atmospheric pressure data, supporting weather monitoring and forecast model optimization.
Aviation and Aerospace Fields: Simulate barometric environments at different altitudes, verify aviation instruments and altimeters, ensuring flight safety and aircraft performance testing.
Military and Defense Applications: Used for high-precision barometric metrology, supporting calibration and maintenance of military meteorological equipment, drones, and plateau combat equipment.
Agriculture and Scientific Research Institutions: Monitor agricultural meteorological barometric data, conduct plateau environment simulation experiments, and atmospheric pressure traceability calibration in research projects.
Additionally, it can be extended to environmental monitoring stations, laboratory metrological traceability, and the factory inspection links of pressure sensor manufacturers, providing consistent and reliable calibration support for atmospheric pressure-related measurements.
Installation and Operation Guide
Nexisense Aneroid Barometer Verification Device (Manual Type) has a compact structure. Operation is mainly based on manual control, requiring no complex electrical wiring or fixed installation.
Operation Step Tips:
Place the aneroid barometer or barograph to be tested inside the verification chamber, ensuring the instrument is horizontal and the window is aligned with the reading area.
Close the top cover of the verification chamber, using the base groove and rubber gasket to achieve a sealed fit.
Connect the gas pressure source, manually adjust the gas source via the host to generate the target pressure value, and observe the reading of the high-precision digital absolute pressure gauge as the standard reference.
Read the indicated value of the tested instrument through the transparent window, record for comparison, and complete zero point, full scale, or multi-point calibration.
After calibration, slowly release the pressure, open the verification chamber, and properly store the equipment.
The device uses a delay judgment method to maintain pressure stability; during operation, pay attention to slow adjustments to avoid sudden pressure changes. The verification chamber design facilitates observation; it is recommended to operate under stable ambient temperatures. Please refer to the accompanying product manual for the complete and detailed operation process and altitude conversion methods. Operations should be performed by professional personnel with metrological qualifications to ensure calibration results meet the requirements of the JJG272-2007 regulation.
Precautions for Use:
Keep the verification chamber well-sealed and regularly check the status of the rubber gasket.
Use clean gas media to avoid impurities affecting the accuracy of the pressure module.
Keep the equipment stable during operation to reduce external vibration interference.
Regularly conduct traceability verification on the high-precision digital absolute pressure gauge to ensure the accuracy of the overall device.
Common Questions and Answers
Q1: Does the accuracy of the Nexisense Aneroid Barometer Verification Device meet national regulation requirements?
The accuracy grade reaches 0.02, which fully complies with the JJG272-2007 "Aneroid Barometers and Aneroid Barographs" verification regulation and can meet the calibration needs of various aneroid barometers and digital barometric instruments below grade 0.05.
Q2: How does this device ensure stability during the calibration process?
It controls the upper and lower limits of the gas source via the host and uses a delay judgment method to maintain the pressure difference between the standard value and the verification chamber. The pressure control accuracy is no greater than 0.1hPa, effectively resisting environmental interference.
Q3: How are the sealing and visibility of the verification chamber?
The verification chamber base is provided with a circular groove and a rubber gasket to ensure a good sealed fit; the top cover is equipped with a transparent tempered glass viewing window, facilitating accurate reading of the tested instrument's indicated value during testing.
Q4: What altitude ranges are supported for simulation calibration?
It supports altitude simulations from -1000 to 40,000m, with segmented error controlled within 4~1400m, covering common application scenarios in meteorology, aviation, etc.
Q5: Is the operation complicated? Is it suitable for field use?
The manual type is simple to operate; calibration can be completed by adjusting the gas source and reading through the window. The device structure is compact, making it suitable for both laboratory and field metrology use.
Q6: Can it calibrate other instruments besides aneroid barometers?
Yes, it can calibrate digital barometers, pressure transmitters, and pressure sensors below grade 0.05, offering good extensibility.
Summary
Nexisense Aneroid Barometer Verification Device (Manual Type) provides a professional and reliable engineering solution for the calibration of aneroid barometers and related barometric instruments with its grade 0.02 high-precision absolute pressure module, excellent seal structure, and stable control methods. Its performance in stability, accuracy control, and operational convenience helps metrological institutions and industry users effectively improve the accuracy and traceability of atmospheric pressure measurements.
If your project involves meteorological instrument calibration, aviation altimeter verification, or scientific research barometric simulation needs, welcome to contact the Nexisense technical support team. We will provide professional selection guidance, operation training, or sample testing services to jointly build a high-precision metrological system that conforms to actual working conditions. Act now to obtain detailed technical data or book a technical exchange, making every barometric calibration a reliable metrological cornerstone.


