DN15–25 Water Flow Calibration Device (Piston Prover Method + Gravimetric Method)
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Tell us the meter size, test method and required testing capacity.
DN15–25 water flow calibration device, piston prover + gravimetric. Request configuration details from KINMY.
- Nominal Diameter
- DN15–25
- Test Method
- Piston Prover Method + Gravimetric Method
Overview
DN15–25 Water Flow Calibration Device (Piston Prover Method + Gravimetric Method) is listed in the KINMY Liquid Flow Calibration Device range with a configuration identified by DN15–25, Piston Prover Method + Gravimetric Method. Contact KINMY for a project-specific specification sheet and quotation.
Configuration
| Nominal Diameter | DN15–25 |
|---|---|
| Test Method | Piston Prover Method + Gravimetric Method |
Measurement and Test Methods
| Measurement principles | Piston Prover Method + Gravimetric Method |
|---|---|
| Reference flow range | 0.003–8 m³/h |
| Measurement modes | Start-Stop Method, Reversal Method, Flow-Time Method |
Reference Standards and Instruments
Reference equipment listed for this catalog configuration. The supplied instrument set is confirmed with the project specification.
| Weighing Instruments | Electronic balances; listed maximum capacities: 30 kg, 150 kg |
|---|
Reference Specifications
| Measurement Uncertainty | 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 | ≤ 93% RH |
| Operating Water Temperature | 20℃ ± 10℃ |
| Device Operating Temperature | 4℃-50℃ |
| Water Source Operating Pressure | 0.0-0.5 MPa (Adjustable) |
| Air Source Operating Pressure | 0.4-0.7 MPa |
| Number of Meters Under Test | DN15: 10 units | DN20: 8 units | DN25: 6 units | Vertical Water Meters (DN15, DN20, DN25): 6 units |
| Meter Clamping Mechanism | Dual-Cylinder External-Push Tandem Meter Clamping Device; Single Pneumatic Clamping Device for 10 Front 5 Rear Positions |
| Vacuum System | Differential-Pressure Vacuum Generator, Vacuum Priming, Maintains Water Meters in Full-Water State |
| Supported Test Modes | Fully Automatic, Semi-Automatic, Touchscreen Manual |
Utilities and System Configuration
| Water pump configuration | Nanfang CHM10-50, Flow Rate: 8 m³/h, Head: 48 m, 1 unit |
|---|---|
| Water tank capacity | 800 L |
| Flow diverter | DN25 Cross-Type Pneumatic Open Reverser, Low Noise & High Sensitivity, Stroke Difference 10 ms, Uncertainty ≤ 0.002% |
| Timing system | (10-100) kHz (Adjustable); Accuracy Better Than 10⁻⁶ |
| Pulse acquisition signal | Pulse, f = (0~10) kHz |
| Data acquisition hardware | 16 Mobile Phones (Camera Resolution ≥ 40 Million Pixels) |
| Tightness test pressure range | (0~2.0) MPa |
Request Specifications
Final configuration, test range and supplied components can vary by project and selected method. Please send your meter sizes, required test method and expected testing capacity for confirmation.
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