YWT Series Self-Weight Testing Piston Pressure Gauge - 1-250 MPa Range with 0.005-0.05 Accuracy for Industrial Calibration
Professional-grade piston pressure gauge with adjustable pressure range from 1-250 MPa, designed for precision metrological verification in laboratory and industrial settings.
YWT series piston pressure gauges measure pressures up to 100MPa and are primarily used in metrological verification laboratories for calibrating various pressure instruments including digital pressure gauges, pressure sensors, pressure transmitters, precision pressure gauges, and standard pressure gauges. Ideal for high-level measurement institutions, pressure instrument manufacturers, and quality control departments in modern industrial facilities.
- Measuring Range: 0.04~0.6MPa, 0.5~25MPa, 0.1~6MPa, 1~60MPa, 2~100MPa, 2-160MPa, 5-250MPa
- Accuracy Levels: 0.05, 0.02, 0.01, 0.005
- Piston Material: Tungsten carbide for high strength, hardness, and low thermal expansion
- Operating Temperature: Stable performance at 20±5℃
- Piston Displacement: 0~3mm monitored by displacement sensor
- Pre-pressurization function for easy high-pressure operation
- Oil medium lubrication for enhanced piston sensitivity
- Weight adjustment cavities for periodic calibration
- 12mm cast aluminum construction for stability
- All stainless steel pipe joints with quick-connect fittings
- Non-magnetic stainless steel weights for 0.02 and higher accuracy grades
| Model | Range (MPa) | Measurement Lower Limit | Piston Area (cm²) | Weight Configuration |
|---|---|---|---|---|
| YWT-6 | 0.04~0.6 | 0.04 MPa | 1 | 0.01MPa×6pcs + 0.05MPa×10pcs |
| YWT-60 | 0.1~6 | 0.1 MPa | 0.5 | 0.1MPa×4pcs + 0.5MPa×11pcs |
| YWT-250 | 0.5~25 | 0.5 MPa | 0.2 | 0.5MPa×4pcs + 2.5MPa×9pcs |
| YWT-600 | 1~60 | 1 MPa | 0.1 | 1MPa×4pcs + 5MPa×11pcs |
| YWT-100 | 2~100 | 2 MPa | 0.1 | 10MPa×9pcs + 5MPa×1pcs + 2MPa×1pcs + 1MPa×2pcs |
Manufactured according to local gravitational acceleration requirements and verified against:
- JJG59-2007 Verification Regulations for Piston Pressure Gauge
- JJG99-2006 National Metrological Verification Regulations for Weights
Transformer oil and kerosene mixture or sebacate, depending on application requirements.
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