Absolute pressure gauge YUNY17600

digitalRS485Ethernet

Product Overview
YUNYI fully automatic piston pressure calibrator is a high-precision, high-stability pressure calibration device primarily used to calibrate various pressure measurement instruments such as precision pressure gauges, pressure sensors, and pressure transmitters. By connecting the instrument under calibration to the fully automatic piston pressure calibrator and comparing readings at a set pressure, it accurately determines instrument errors, ensuring the precise and reliable transmission of pressure measurement values. This equipment serves as a core component for establishing pressure measurement standards at all levels of metrology institutions and is widely applied in metrology, manufacturing, energy, and other fields.

Performance Features

• 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
• 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
Parameter Item: Specification Description
Product Model: YUNY17600 (Multi-Range) / YUNY17250
Measurement Range: 0.1~6MPa, 1~60MPa, 1~100MPa, 2~160MPa, 5~250MPa
Accuracy: 0.005%
Minimum Weight: 0.1MPa / 1MPa / 2MPa / 5MPa (depending on range model)
Working Medium: Diisooctyl sebacate, kinematic viscosity at 20°C 20~25mm²/s, acid value ≤ 0.05mgKOH/g
Piston Material: Piston Rod: Tungsten Carbide; Piston Cylinder: Tungsten Carbide
Weight Material: 304 Non-Magnetic Stainless Steel
Weight Correction: Supports correction using local gravitational acceleration
Communication Interface: RS485, supports communication protocol for reading pressure readings
Power Supply Voltage: AC (220±10) V, 50Hz
Operating Environment: Working Temperature: (20±10)°C; Relative Humidity: ≤80%
Compliance Standards: JJG59-2022 《Verification Regulation for Liquid Piston Pressure Gauges》 & JJG99-2022 《Verification Regulation for Weights》

Characteristics / Technical Specifications

• High-precision, high-stability pressure calibration device
• Automatic weight loading with binary system
• Integrated dust and moisture protection
• Real-time monitoring sensors (temperature, humidity, RPM, displacement)
• Servo motor for precise pressure regulation
• Touchscreen operation and automated control
• RS485 and Ethernet communication
• Measurement ranges up to 250MPa
• Accuracy: 0.005%
• Compliance with JJG59-2022 and JJG99-2022 standards