YUNYI Intelligent Sphygmomanometer Calibration Device
Model XY-4002 | For Mercury & Electronic Blood Pressure Monitors
The XY-4002 Sphygmomanometer Calibrator, manufactured by Xi’an Yunyi, is designed in accordance with the national metrological verification regulations JJG270-2008 and JJG692-2010. Utilizing a microprocessor chip and specialized pneumatic components, it significantly improves the efficiency and accuracy of blood pressure meter verification while reducing operator fatigue. It is suitable for all types of mercury and electronic blood pressure meters.
The calibrator provides dynamic blood pressure simulation, static calibration, automatic leakage testing, and over-pressure release detection. It can be used to verify the performance indicators of various patient monitors. The device can supply a pressure value of 450 mmHg (60 kPa) for automatic leak tests, over-pressure tests, and as a pressure source simulator.
Working Principle
The complete instrument consists of the following components:
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Operating power supply
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Micro air pump
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Simulated cylinder
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Servo motor
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Air reservoir
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Pressure sensor
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Electronic main control board
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Air release valve
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Touchscreen LCD
Operation sequence:
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The built-in micro air pump automatically generates pressure and stores it in the air reservoir.
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Through the adjustable air release valve, the pressure is precisely adjusted to each verification point.
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For a mercury or electronic blood pressure meter under test, the operator manually records the indication error at each point.
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Other test items are automatically completed by the instrument according to the regulations, with results calculated and displayed on the screen for manual recording.
Technical Specifications
| Parameter | Specification |
|---|---|
| Operating Environment | Temperature: 15 ~ 35 °C ; Humidity: <80% RH |
| Pressure Adjustment Time | Average 5~6 seconds per point |
| Measurement Range | 0 ~ 60 kPa |
| Accuracy Class | 0.1% (Class 0.1) |
| Adult Mode – Systolic | (6.7 ~ 34.0) kPa / (50 ~ 255) mmHg |
| Adult Mode – Diastolic | (4.0 ~ 26.0) kPa / (30 ~ 195) mmHg |
| Neonatal Mode – Systolic | (4.0 ~ 16.0) kPa / (30 ~ 120) mmHg |
| Neonatal Mode – Diastolic | (1.3 ~ 13.3) kPa / (10 ~ 100) mmHg |
| Blood Pressure Repeatability | ≤ 0.3 kPa (2 mmHg) |
| Heart Rate Range | 30 ~ 250 beats/min |
| Maximum Simulated Pressure | 450 mmHg (60 kPa) – for leak test, over-pressure test, pressure source |
Instrument Functions
1. Sphygmomanometer Standard Function
For Mercury Sphygmomanometer verification:
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Indication error test
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Sensitivity test
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Airtightness (leak) test
For Electronic Sphygmomanometer verification:
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Static indication error test
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Deflation rate test
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Blood pressure indication repeatability test
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Airtightness (leak) test
2. Pressure Standard Function
The instrument can also be used as a static pressure standard to calibrate other pressure instruments, such as precision pressure gauges and general pressure gauges.
Key Features & Benefits
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Dual compliance: Meets JJG270-2008 and JJG692-2010 standards.
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All-in-one capability: Dynamic simulation, static calibration, leak test, and over-pressure test in a single device.
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High efficiency: Automatic pressure generation and storage; only 5–6 seconds per pressure point.
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Wide application range: Works with mercury, electronic, and patient monitor blood pressure devices.
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Adult & Neonatal modes: Supports two simulation modes with different pressure ranges.
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Built-in safety: Over-pressure release protection prevents damage to the device or instruments under test.
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User-friendly interface: Touchscreen LCD for easy operation and data display.
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Portable & self-contained: Internal micro pump eliminates the need for external pressure sources in many tests.
Typical Applications
| Setting | Use Case |
|---|---|
| Metrology & Calibration Labs | Official verification of blood pressure monitors for compliance |
| Hospitals & Clinics | In-house performance checks of ward and ICU monitors |
| Medical Device Manufacturers | Quality control testing during production |
| University Laboratories | Teaching and research on medical instrumentation |
| Maintenance & Service Centers | Repair verification and calibration |
| Pressure Gauge Calibration | As a static pressure standard for precision and general pressure gauges |
Included Accessories (Typical)
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XY-4002 Intelligent Sphygmomanometer Calibrator main unit
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Power cord
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Connecting hoses and adapters (suitable for most blood pressure cuffs and monitors)
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Operating manual (Chinese / English available)
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Factory calibration certificate
Note: Please confirm exact accessory contents with the sales team, as they may vary by order.
Operation & Safety Notes
Before Use:
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Place the instrument on a stable, level work surface away from direct airflow and vibration.
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Ensure the operating environment is within 15~35 °C and humidity below 80% RH.
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Connect the device to a suitable power supply (voltage as marked on the unit).
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Allow the instrument to warm up according to the manual (typically a few minutes).
During Use:
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Use only clean, dry, non-corrosive gases (air is acceptable as the device generates its own pressure).
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Do not exceed the maximum rated pressure of 60 kPa / 450 mmHg for external connections.
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For dynamic blood pressure simulation, ensure the patient monitor or sphygmomanometer is properly connected and configured.
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Follow the standard operating procedure for each verification item (indication error, leak test, etc.).
After Use:
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Turn off the power and disconnect from the mains supply.
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Release any residual pressure from the system via the air release valve.
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Clean the exterior with a soft, dry cloth. Do not use solvents or immerse in liquid.
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Store in a clean, dry location within the specified temperature range.
Calibration & Maintenance:
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The XY-4002 itself should be re-calibrated periodically according to local metrology regulations (typically annually).
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No user-serviceable parts inside. Refer servicing to qualified personnel.
Why Choose Xi’an Yunyi XY-4002?
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Designed for regulatory compliance: Meets Chinese national standards for blood pressure meter verification.
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Time-saving automation: Automatic pressure generation and storage, plus automatic test sequences for leak and over-pressure tests.
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Versatile: One instrument covers mercury, electronic, and patient monitor types, plus adult and neonatal modes.
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Cost-effective: Replaces separate static pressure standards, dynamic simulators, and leak testers.
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Trusted manufacturer: Xi’an Yunyi has years of experience in pressure calibration and measurement instruments.
Ordering Information
To order the XY-4002 Intelligent Sphygmomanometer Calibration Device, please provide:
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Required language for manual (Chinese or English)
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Any specific adapter requirements for your blood pressure monitors
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Calibration certificate requirements (standard or third-party traceable)
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Quantity needed
Contact Xi’an Yunyi:
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Email: sales@369yb.com
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Online chat available on the website
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QR Code – Scan with WeChat or WhatsApp for instant inquiry





