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PRESSURE MEASUREMENT | |
| THEORY | INSTRUMENTS | |
| Absolute Pressure | Manometers | |
| Gauge Pressure | Equal Column liquid Manometer | |
| Vacuum Pressure | Inclined Limb Manometer | |
| Differential Pressure | Parallax Error | |
| Capillary Effect | ||
| Units | ||
| Pressure Gauges | ||
| SAFETY TIP | Principal of Operation | |
| Risks associated with the use of Mercury | ||
| Pressure Transmitters | ||
| PRESSURE CONVERSIONS | Pneumatic transmitter | |
| Electronic Transmitter | ||
| Pressure Switches |
