The readout on the manometer should be between 0.5in – 1.75in. In most cases these are acceptable levels indicating, your system is operating correct. When your Radon system is shut off the fluid should rest at zero if it does not then your manometer is low on fluid.

## How do you know if radon is working?

You can use the u-tube manometer to determine if your system is working. Look at the liquid in the tube. If it is equal on both sides, it is an indication that there is no pressure in the pipe. This means there is no suction from the fan (far left image) and the radon mitigation system is not working.

## What is the unit of manometer?

The resulting pressure is the difference between forces exerted per unit of surface area of the liquid columns, with pounds per square inch (psi) or newtons per square meter (pascals) as the units. The manometer is so often used to measure pressure that the difference in column heights is also a common unit.

## How do you increase mass flow rate?

Considering the mass flow rate equation, it appears that for a given area and a fixed density, we could increase the mass flow rate indefinitely by simply increasing the velocity. In real fluids, however, the density does not remain fixed as the velocity increases because of compressibility effects.

## How does temperature affect mass flow rate?

More distance between molecules means less mass in a given volume. If mass flow is kept constant, and temperature increases, volume flow increases to pass the same amount of mass (molecules) across the sensor.

## What is kg per second?

Kilogram Per Second (kg/s) is a unit in the category of Mass flow rate. It is also known as kilogram/second, kilograms per second. This unit is commonly used in the SI unit system. Kilogram Per Second (kg/s) has a dimension of MT-1 where M is mass, and T is time. This unit is the standard SI unit in this category.

## What does mass flow mean?

Mass flow, also known as “mass transfer” and “bulk flow”, is the movement of fluids down a pressure or temperature gradient, particularly in the life sciences. Examples of mass flow include blood circulation and transport of water in vascular plant tissues.

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