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JYM-50-200-AZZAH-PS2.0
| Availability: | |
|---|---|
| Device Uncertainty | Urel≤0.2%（k=2） | ||
| Flow Stability | 1.0% for start‑stop method; 0.2% for other methods | ||
| Test Medium | Purified tap water | ||
| Operating Humidity | ≤ 93% RH | ||
| Operating Water Temperature | 20 ℃ ± 10 ℃ | ||
| Water Temperature Fluctuation in Single Measurement | Water temperature fluctuation in a single measurement | ||
| Water Fluctuation Coefficient per Cycle | ≤ ± 0.1% | ||
| Water Source Working Pressure | 0.0–0.5 MPa, adjustable | ||
| Air Source Working Pressure | 0.4–0.7 MPa | ||
| Device Operating Temperature | 4–50 ℃ | ||
| Number of Meters Under Test | DN50: 3 pcs | DN65, DN80: 2 pcs | DN100, DN150, DN200: 1 pc | ||
| Water Pump | 1 pc: H=30 m, Q=1 m³/h, P=0.5 kW 1 pc: H=30 m, Q=40 m³/h, P=7.5 kW 1 pc: H=35 m, Q=200 m³/h, P=30 kW 1 pc: H=30 m, Q=600 m³/h, P=75 kW | ||
| Water Tank | 45 m³ | ||
| Commutator | DN25, DN50, DN100, DN200 cross‑fork pneumatic open commutator; low noise, high sensitivity; travel difference < 10 ms; uncertainty within 0.002% | ||
| Meter Clamping Mechanism | Dual‑cylinder outward‑push series pneumatic clamping mechanism; single pneumatic clamps for front 10 and rear 5 positions | ||
| Water Meter Seal Test | Pressure range: (0–2.0) MPa | ||
| Bore Diameter | Φ50 mm, telescopic stroke ≥ 80 mm | ||
| Timer | (10–100) kHz (adjustable); better than 10⁻⁶ | ||
| Calibration Signal | Pulse signal, f = (0–10) kHz | ||
| Vacuum System | Differential pressure vacuum generator; vacuum water filling to keep water meters fully filled | ||
| Supported Operation Modes | Fully automatic, semi‑automatic, touchscreen manual operation | ||
| Acquisition Equipment | 3 sets of mobile phones with 40 MP resolution, 8G/128G storage | ||
| Standard Device | Mass method | ||
| Flow Range | （0.010-630）m³/h | ||
| Calibration Method | Start‑stop method | Diversion method | QTY |
| Electromagnetic Flow Meter Instantaneous Flow Display Advanced (Class 0.5) | 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 | ||
| Thermostat Standard for Heat Meter Calibration Device | |||
| Standard Platinum Resistance Thermometer | Class 2 | ||
| Digital Meter | WZPB-2 6½-digit digital meter for temperature acquisition | ||
| High Temperature Thermostatic Bath | WL-L1A (High Temp. Bath) Measuring range: (4 – 95) ℃ Max. working temperature difference: 0.03 ℃ Average temperature difference: 0.015 ℃ | ||
| Low Temperature Thermostatic Bath | WL-L1B (Low Temp. Bath) Measuring range: (room temperature – 95) ℃ Max. working temperature difference: 0.03 ℃ Average temperature difference: 0.015 ℃ | ||
| Heating Device | Customized according to the water tank size. | ||
