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| Availability: | |
|---|---|
| Water Flow Calibration Device, Urel ≤ 0.05% (k=2) | ||||
| Flow Stability | 1.0% for Start-Stop Method; 0.2% for Other Methods | |||
| Calibration Medium | Pure Tap Water | |||
| Operating Humidity | Humidity: ≤ 93% RH | |||
| Operating Water Temperature | 20℃ ± 10℃ | |||
| Water Temperature Fluctuation in Single Measurement | Water Temperature Fluctuation in Single Measurement | |||
| Water Fluctuation Coefficient in Single Cycle | ≤ ±0.1% | |||
| Water Source Operating Pressure | 0.0-0.5 MPa (Adjustable) | |||
| Air Source Operating Pressure | 0.4-0.7 MPa | |||
| Device Operating Temperature | 4˜50℃ | |||
| Number of Meters Under Test | DN50: 3 units | DN65, DN80: 2 units | DN100, DN150, DN200: 1 unit | |||
| Water Pump | H=30 m; Q=1 m³/h; P=0.5 kW, 1 unit | H=30 m; Q=40 m³/h; P=7.5 kW, 1 unit | H=35 m; Q=200 m³/h; P=30 kW, 1 unit | H=30 m; Q=600 m³/h; P=75 kW, 1 unit | |||
| Water Tank | 45 m³ | |||
| Reverser | DN25, DN50, DN100 & DN200 Cross-Type Pneumatic Open Reversers, Low Noise & High Sensitivity, Stroke Difference < 10 ms, Uncertainty ≤ 0.002% | |||
| Meter Clamping Mechanism | Dual-Cylinder External-Push Tandem Meter Clamping Device; Single Pneumatic Clamping Device for 10 Front & 5 Rear Positions | |||
| Water Meter Tightness Test | Pressure Range: (0˜2.0) MPa | |||
| Nominal Diameter | Φ50 mm, Telescopic Stroke ≥ 80 mm | |||
| Timer | (10-100) kHz (Adjustable); Accuracy Better Than 10⁻⁶ | |||
| Calibration Signal | Pulse, f = (0˜10) kHz | |||
| Vacuum System | Differential-Pressure Vacuum Generator, Vacuum Priming, Maintains Water Meters in Full-Water State | |||
| Supported Test Modes | Fully Automatic, Semi-Automatic, Touchscreen Manual | |||
| Data Acquisition Devices | 3 Mobile Phones (40 Million Pixels, 8G/128G Storage) | |||
| Standard Device | Mass Method+Standard Meter Method | |||
| Flow Range | （0.010-630）m³/h | |||
| Calibration Methods | Start-Stop Method | Reversal Method | Flow-Time Method | Quantity |
| Electromagnetic Flowmeter Standard Meter Standard (0.2-0.3 Grade) | DN10:20-500L/H | 1 | ||
| DN40:2260-22600L/H | 1 | |||
| DN100 10-200m³/H | 1 | |||
| DN200 56.55-630m³/H | 1 | |||
| Electronic Scale Mass Method Standard | ①Max=60kg，6000e | 1 | ||
| ②Max=600kg，6000e | 1 | |||
| ③Max=12000kg，6000e | 1 | |||
| This plan is for reference only; customized solutions can be provided according to customer requirements. | ||||
