Sonic Nozzle Gas Flow Meter
This sonic nozzle gas flow meter is a precision instrument designed for accurate gas flow measurement and control. The multi-channel setup includes individual sonic nozzles with digital displays and a computer interface for data analysis.
Technical Specifications
Overview
Precision Gas Flow Calibration
The Sonic Nozzle Gas Flow Meter is a high-precision testing facility designed for automated, reliable gas meter calibration. Utilizing Venturi nozzle technology and advanced microcontroller systems, it ensures repeatable results with an accuracy test repeatability of ± 0.15%. The system minimizes human error and increases throughput by automating data collection, barcode scanning, and volume measurement, making it an essential tool for industrial gas flow management.
Performance Metrics
Accuracy Repeatability
0.15 %
Flow Rate Repeatability
Sensor Specifications
Sensor Range and Uncertainty
| Sensor Type | Range | Uncertainty |
|---|---|---|
| Atmospheric Pressure | 86-106 kPa | ≤0.075% |
| Equalising Pressure | 0 to -5 kPa | ≤0.1% |
| Differential Pressure | -500 to 500 Pa | ≤0.1% |
| Vacuum Pressure | 0 to -100 kPa | ≤0.25% |
| Temperature | 0 to 50 °C | ≤0.2% |
| Humidity | 0% to 100% | ≤3.0% |
System Features
Automation Features
- Automatic barcode scanning for serial numbers
- Photoelectric sensors for automatic volume detection
- Venturi nozzle master standard
- Automated gear ratio calculation
- Continuous air flow for shortened proving cycles
- Supported Gear Adjustment Methods
- One-point (Qmax)Two-points (Qmax, 0.2Qmax)Three-points (Qmax, 0.2Qmax, Qmin)
