Acrylic Body Manometer
Pressure is defined as a force per unit area and the most accurate way to measure low air pressure is to balance a column of liquid known weight against it and measure the height of the liquid column so balanced. The unit of measure commonly used are mmHg/in Hg using mercury as the fluid, & mmWC/in WC using water or oil as the fluid.
Acrylic Body Manometer
Code: ABM-FL, Model:
Pressure is defined as a force per unit area and the most accurate way to measure low air pressure is to balance a column of liquid known weight against it and measure the height of the liquid column so balanced. The unit of measure commonly used are mmHg/in Hg using mercury as the fluid, & mmWC/in WC using water or oil as the fluid.
Product Details
• U-Tube Manometer

Fig. 1-1 In its simplest form the manometer is a U-tube about half filled with liquid. With both ends of the tube open, the liquid is at the same height in each limb.
Fig. 1-2 When positive pressure is applied to one leg, the liquid is forced down in that limb and up in the other. The difference in height, 'h' which is the sum of the readings above and below zero, indicates the pressure.
Fig. 1-3 When a vacuum is applied to one limb, the liquid rises In that limb and falls in the other. The difference In height, 'h' witch is the sum of the readings above and below zero, Indicates the amount of vacuum.
• Single Limb Manometer

Fig.1-4 At left, equal pressure is imposed on the fluid in the well and in the indicating tube. Reading is zero. At the right, a positive pressure has been imposed on the liquid in the well causing the level to go down very slightly. Liquid level in indicating tube has risen substantially. Reading is taken directly from scale at liquid level in indicating tube. The scale has been compensated for the drop in level in the well.

• Inclined Manometer
| STANDARD RANGES | |||||
| U-Tube Manometer | Single Limb Manometer | Inclined Manometer | |||
| Ranges (mmWC/Hg) | Least Count (in mm) | Ranges (mmWC/Hg) | Least Count (in mm) | Ranges (mmWC/Hg) | Least count (in mm) |
| 50-0-50 | 1 | 0-75 | 1 | 0-6 | 0.05 |
| 100-0-100 | 1 | 0-100 | 1 | 0-10 | 0.1 |
| 150-0-150 | 1 | 0-150 | 1 | 0-12 | 0.1 |
| 200-0-200 | 1 | 0-200 | 1 | 0-15 | 0.1 |
| 250-0-250 | 1 | 0-250 | 1 | 0-25 | 0.2 |
| 300-0-300 | 1 | 0-300 | 1 | 0-50 | 0.5 |
| 350-0-350 | 1 | 0-350 | 1 | 0-75 | 0.5 |
| - | - | 0-500 | 1 | 0-100 | 0.5 |
| - | - | - | - | 0-150 | 0.5 |
• Metallic Body Manometer
| U-Tube Manometer | Single Limb Manometer | ||
| Ranges (mmWC/Hg) | Least count (in mm) | Ranges (mmWC/Hg) | Least Count (in mm) |
| 100-0-100 | 1 | 0-200 | 1 |
| 250-0-250 | 1 | 0-500 | 1 |
| 300-0-300 | 1 | 0-600 | 1 |
| 380-0-380 | 1 | 0-760 | 1 |
| 500-0-500 | 1 | 0-1000 | 1 |
| 750-0-750 | 1 | 0-1500 | 1 |
| 1000-0-1000 | 1 | 0-2000 | 1 |

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