Performance Features
1. Automatic Weight Loading System
🔹Employs a binary weighting system with fewer weights, simplified calculation logic, and low failure rate
🔹Integrated dust cover design effectively isolates dust and moisture, ensuring precision and stability
🔹Independent pneumatic loading device completes weight addition/subtraction within 5 seconds for precise, rapid loading
🔹Built-in temperature/humidity, RPM, and displacement sensors monitor piston system operation in real time
🔹Piston system utilizes high-strength tungsten carbide with patented fracture protection
🔹Modular design facilitates installation, disassembly, storage, and calibration transport (includes aviation-grade carrying case)
🔹Minimal moving parts ensure high reliability and simplified maintenance
2. Intelligent Pressure Generation System
🔹Servo motor synchronizes piston cylinder for precise and stable pressure regulation
🔹10.1-inch touchscreen operation supports automated control and real-time data processing/storage
🔹Single pressure output port (M20×1.5) with multi-channel expansion capability
🔹Provides RS485 serial and Ethernet communication for remote control
🔹System stabilization time ≤ 120 seconds for rapid response
🔹Built-in drainage system prevents pipeline blockages
🔹Power supply: AC (220±10)V, 50Hz
Typical Applications
✅ Calibration of precision pressure gauges, digital pressure meters, pressure transmitters, pressure sensors, etc.
✅ Establishment of pressure standards for metrology institutes and third-party testing laboratories at all levels
✅ High-precision pressure measurement applications in power generation, petrochemical, aviation, and scientific research sectors
Technical Specifications
1. Parameter Item: Specification Description
2. Product Model: YUNY17600 (Multi-Range) / YUNY17250
3. Measurement Range: 0.1~6MPa, 1~60MPa, 1~100MPa, 2~160MPa, 5~250MPa
4. Accuracy: 0.005%
5. Minimum Weight: 0.1MPa / 1MPa / 2MPa / 5MPa (depending on range model)
6. Working Medium: Diisooctyl sebacate, kinematic viscosity at 20°C 20~25mm²/s, acid value ≤ 0.05mgKOH/g
7. Piston Material: Piston Rod: Tungsten Carbide; Piston Cylinder: Tungsten Carbide
8. Weight Material: 304 Non-Magnetic Stainless Steel
9. Weight Correction: Supports correction using local gravitational acceleration
10. Communication Interface: RS485, supports communication protocol for reading pressure readings
11. Power Supply Voltage: AC (220±10) V, 50Hz
12. Operating Environment: Working Temperature: (20±10)°C; Relative Humidity: ≤80%
13. Compliance Standards: JJG59-2022 《Verification Regulation for Liquid Piston Pressure Gauges》& JJG99-2022 《Verification Regulation for Weights》
