YUNYI Thermal Calibration System
YUNYI Thermal Calibration System is an intelligent calibration platform integrating temperature and pressure measurement calibration. Employing a modular design philosophy, it consolidates core functions including automatic calibration of thermocouples/thermistors, pressure instrument calibration, and constant-temperature environment control. The system strictly adheres to national metrological verification regulations, meeting standards such as JJG and JJF. It provides fully automated, high-precision, traceable thermal measurement solutions for metrology institutions, industrial enterprises, and research organizations.
Core Features
1. Temperature Calibration Module
🔹Wide Temperature Range Coverage: Full-range calibration capability from -40°C to 1200°C
🔹Multi-Sensor Support: Compatible with various temperature sensors including thermocouples, RTDs, and thermometers
🔹Automated Verification System: VK-801 system enables fully automated temperature control, measurement, and data processing
🔹High-Precision Measurement: Voltage resolution 0.01μV, resistance resolution 0.01mΩ
2. Pressure Calibration Module
🔹Fully Automated Pressure Verification: XYZD series automatic pressure verification bench with accuracy up to Class 0.02
🔹Wide Range Coverage: Full-range pressure calibration from vacuum to 100MPa
🔹Multi-medium support: Hydraulic, pneumatic, absolute pressure, gauge pressure modes
🔹Intelligent control: PID algorithm ensures precise pressure regulation with stability ≤0.005% FS
3. Constant Temperature Environment Module
🔹Precision temperature bath: Water/oil bath temperature uniformity ≤0.01℃
🔹Thermocouple Calibration Furnace: YG Series horizontal calibration furnace with temperature uniformity of 0.5℃
🔹Dual-Chamber Design: Separate working and mixing zones for low noise and high stability
System Architecture
1. Core Control Unit
🔹 Industrial Computer: Windows OS, touchscreen operation
🔹 High-Precision Digital Meter: Keithley 2010, microvolt-level signal acquisition
🔹 Multi-Channel Scanner: 20-channel simultaneous calibration, parasitic potential ≤0.2μV
2. Temperature Calibration Unit
🔹Thermocouple Calibration Furnace: YG-I/YG-IA, 300-1200°C
🔹Thermostatic Bath Series: XY-IA (water bath), XY-R1/R2 (oil bath)
🔹Automatic Wiring System: Three-wire automatic switching to minimize lead error
3. Pressure Calibration Unit
🔹Fully Automatic Hydraulic Calibration Bench: XYZD-5700, 0-100MPa
🔹Fully Automatic Pneumatic Calibration Bench: XYZD-5800, -0.095-4MPa
🔹Electric Pressure Source: YUNY-800A/900A, max 100MPa
4. Specialized Calibration Devices
🔹Float-Type Pressure Gauge: Model Y047, 0.001-0.25MPa
🔹Oxygen Inhaler Calibration Device: XYFQ-322, Medical Grade
🔹Barometer Calibration Device: XY-732, 0-1200hPa
Applicable Instrument Types
1. Temperature Instruments
🔹Contact-type: Thermocouples, RTDs, Glass Thermometers, Bimetallic Thermometers
🔹Non-contact-type: Infrared Thermometers, Thermal Imagers (Optional)
🔹Special Types: Pressure Thermometers, Temperature Transmitters, Temperature Switches
2. Pressure Instruments
🔹Conventional Pressure: Pressure gauges, pressure transmitters, pressure sensors
🔹Specialized Pressure: Absolute pressure gauges, differential pressure gauges, vacuum gauges
🔹Medical-grade: Oxygen inhalers, ventilator pressure sensors
🔹Meteorological-grade: Barometers, aneroid barometers
3. Process Instruments
🔹Temperature Transmitters: Various temperature transmitters
🔹Pressure Transmitters: Smart pressure transmitters
🔹Level Instruments: Non-contact level gauges (optional)
System Advantages
1. Precision and Reliability
🔹 Traceability to Standards: Measurement values traceable to national measurement standards
🔹 High-Precision Assurance: Core components utilize imported high-precision sensors
🔹 Environmental Compensation: Automatic temperature and pressure compensation eliminates environmental impacts
2. Intelligent Efficiency
🔹Fully Automated Operation: One-click calibration process minimizes human error
🔹Batch Processing: Simultaneous multi-channel calibration boosts efficiency
🔹Intelligent Diagnostics: AI algorithms automatically analyze instrument performance metrics
3. Flexible Scalability
🔹Modular Design: Customizable functional modules for cost-effective investment
🔹Rich Interfaces: Supports multiple communication protocols for seamless system integration
🔹Software Updates: Continuous functional enhancements to meet evolving calibration requirements
4. Secure & User-Friendly
🔹Multi-Layer Protection: Comprehensive safeguards against overvoltage, overcurrent, and overtemperature
🔹Data Security: Database storage with backup and traceability support
🔹Intuitive Operation: Touchscreen interface with graphical guidance
Application Areas
1. Metrology Institutions
🔹Establishment of public measurement standards
🔹Conducting mandatory verification
🔹Providing measurement traceability services
2. Industrial Enterprises
🔹Periodic verification of production process instruments
🔹Calibration of quality control testing instruments
🔹Verification of equipment maintenance instruments
3. Research Institutes
🔹Metrological assurance for research and experimental equipment
🔹Testing and validation for new product development
🔹Research on metrological techniques and methodologies
4. Specific Industries
🔹Healthcare: Verification of temperature and pressure sensors in medical devices
🔹Meteorological Monitoring: Calibration of atmospheric pressure instruments
🔹Energy and Power: Periodic verification of thermal process instruments in power plants
🔹Petrochemical: On-site calibration of process instruments in industrial applications
Typical Configuration Options
1. Basic Configuration
🔹YK-801 Automatic Thermocouple/RTD Calibration System
🔹XYZD-5700 Fully Automatic Hydraulic Calibration Bench
🔹XY-IA Constant Temperature Water Bath
2. Standard Configuration
🔹All items in Basic Configuration
🔹YG-IA Horizontal Thermocouple Calibration Furnace
🔹XYZD-5800 Fully Automatic Pneumatic Calibration Bench
🔹XY-R1 Constant Temperature Oil Bath
3. Advanced Configuration
🔹All components of Standard Configuration
🔹Non-contact Level Gauge Calibration Device
🔹Float-type Pressure Gauge Y047
🔹Barometer Calibration Device XY-732
Workflow
Temperature Calibration Process
1. Sensor Connection: Quick connection via automatic terminal block
2. Parameter Setup: Select calibration protocol and temperature points
3. Automatic Temperature Control: Intelligent system control of heating process
4. Data Acquisition: Automatic measurement with high-precision digital meter
5. Result Processing: Automatic error calculation and certificate generation
Pressure Calibration Procedure
1. Instrument Installation: Connect the instrument under test via quick-connect fittings
2. Pressure Setting: Configure the calibration point pressure value
3. Automatic Pressure Generation: Electric pressure source precisely controls pressure
4. Data Comparison: Automatically collects reference and test data
5. Report Output: Generates calibration records and certificates
Quality Assurance System
🔹Rigorous Quality Inspection: Each device undergoes stringent testing before shipment
🔹Compliance with Standards: Fully meets national metrology regulations
🔹Traceability Assurance: Comprehensive measurement traceability system
🔹Lifetime Maintenance: Continuous after-sales service support
Software Upgrade Service
🔹Regular Updates: Continuous optimization and enhancement of software functionality
🔹Regulation Updates: Timely implementation of the latest calibration protocols
🔹Remote Support: Rapid response through online technical assistance





