Website Design Launch for

Posted by Jason Ohrum

Apr 19, 2014 12:07:06 PM

This week we launched a website for This is a custom home builder who needed to be able to attract and capture visitors through a better website and internet presence.


Website Design and Development for A Local Video Production Media Company

Posted by Jason Ohrum

Apr 14, 2014 2:36:00 PM

We just launched this week and the client is very pleased with the look and functionality of this new website. It will work to portray the professionalism of the company and demonstrate the various ways they can help clients with video production.


Topics: website design and development

Flow Monitoring Dirty Water in a Closed Piping System

Posted by Terry Ohrum

Apr 14, 2014 8:30:00 AM

The flume-type flow monitor described previously would be normally used where there is a large amount of liquid entering a process such as a water or wastewater treatment plant. After the flow  enters the process plant, it would then be divided into various different sub-processes with smaller  amounts of liquid being monitored and treated. Normally, these types of processes use closed piping  systems to transport the liquids through and between them.

Flow monitoring system types in closed piping systems vary greatly and there are practically as many different types of monitors as there different types of materials to be monitored. Here we will stay on  the topic of liquids commonly known as “dirty water.”

Since we can’t stick a paddlewheel or other mechanical device into the flow stream that may collect the debris suspended in the liquid, we have to rely on other types of devices that can monitor flow without  interrupting the flow stream inside the piping system.

The most accurate devices of these types are the most costly and, as the cost goes down, so does the accuracy. Choosing the correct flow monitor for your application is a balancing exercise pitting the cost  against the accuracy you need to correctly and reliably operate the process and whatever regulations  must be complied with for reporting requirements. (The U.S. Department of Environmental Protection (DEP), for example, requires municipal treatment plants to regularly file reports showing various flow  amounts for different parts of the treatment process. The devices used to monitor these flows must comply with minimum accuracy requirements.)

One of the most accurate (and most expensive) flow monitoring devices is the Magnetic Flow Meter,  commonly called a mag meter. A mag meter uses a magnetic field generated and channeled into the  liquid flowing through the pipe. The flow of the liquid through the magnetic field cause a voltage signal  to be generated and this voltage is monitored by electrodes located on the walls of the meter. When  the fluid moves faster, more voltage is generated, indicating a higher flow rate. Electronics in the meter  translate this voltage into a flow rate. Separately connected totalizers are available to indicate the total  volume of flow based on the flow rates the meter observes.

Flow Monitoring Magnetic-Type Meter

Less expensive flow monitors that are installed completely outside of the piping system are also
available. Ultrasonic meters are common examples where nothing needs to be installed into the
piping system. They can actually be installed without even having to shut down or cut into the piping
system. These meters have become very popular in “dirty water” industries because of they are
relatively inexpensive, easy to install and, while not as accurate as some other types of devices, they are
accurate enough for most applications. The basic principle of operation uses the frequency shift
(Doppler Effect) of an ultrasonic signal when it is reflected by suspended debris in the flow
stream. The frequency of the ultrasonic wave changes as the speed of the suspended debris
changes, which can be translated into a rate of flow.

Ultrasonic Flow Monitor


Topics: Inbound Marketing, Water Level Monitoring

Website Design and Development for A Local Pest Control Company

Posted by Jason Ohrum

Apr 11, 2014 2:35:36 PM

We just launched and the client is very pleased with the website design and functionality.


Topics: website design and development

Flow Monitoring Dirty Water in an Open Channel

Posted by Terry Ohrum

Apr 7, 2014 8:30:00 AM

Dirty water is any type of water (or other similar liquid) that may have debris suspended in it. Common
types of dirty water are sewage, the influent (incoming) water at a water treatment plant coming from a
reservoir or river, or any used process water that may pick up debris as a result of the process in which it
is used.

Flow monitoring devices for dirty water must operate differently than applications with clean water.
Mainly, they must deal with suspended debris in the liquid without impeding the flow stream or have
their performance compromised by a dirty flow sensor.

In process applications using a closed piping system, this is usually accomplished by using various kinds
of electrical sensors with all of their components installed outside of the flow stream. In open vessels
such a channels or open streams, specially fabricated structures can be used to divert the flow through a
flume device and then monitor the level at a specific point in that flume. The changing level in the flume
can then be translated into a flow rate or flow volume.

First, let’s look at an open channel flume structure. One commonly used type of flume to create a
measurable varying level of liquid is called a Parshall Flume. Its name comes from its inventor – Dr.
Ralph Parshall, the engineer who developed it early in the 20th century.

A Parshall flume consists of three parts: converging, throat and diverging sections. The converging
section directs the liquid through the throat and the diverging section is the discharge end, which is
lower than the converging and throat sections. The flume is constructed so that liquid entering into it
must pass through the throat section. The size of throat section (width and depth) is dependent on the
minimum and maximum amount of liquid passed through it. The level of liquid in the throat is constantly
monitored electronically. The size of the throat and the difference in elevation between the incoming
and outgoing ends of the flume allow standard hydraulic engineering calculations to be applied, thereby
translating the level of liquid in the throat to a rate and a volume of flow. (Normally, gallons per minute
are the units used as the rate of flow and gallons are used as the units for volume of flow.)

Flow Monitoring Parshall Flume


Topics: Inbound Marketing, Water Level Monitoring

Flow Monitoring and Specific Materials

Posted by Terry Ohrum

Mar 31, 2014 8:30:00 AM

Last week, we listed a variety of materials for which you may want to monitor the flow rate. Here we will
look at two of the more common ones and describe some of the flow monitoring devices that may work
best for them.

Clean Water:

Clean water does not have to be water that is drinkable. Potable (not portable) water is normally
considered to be drinkable. Non-potable water is not considered to be drinkable. The reason non-
potable water is not drinkable is not necessary because it has dirt or debris in it. It may be essentially
“clean” water but still have bacteria in it that could be harmful to humans or animals.

The type of flow monitoring used in a water system is basically dependent on what amount of debris is
floating (suspended) in the flow. If there are no significant pieces of solid debris in the water (meaning
it is “clean”), a paddlewheel type flow meter (also called a turbine meter) is commonly used. These
devices are relatively inexpensive and, if applied properly, require very little maintenance.

Paddlewheel or turbine flow meters operate exactly as the name implies; the meter has a rotating
wheel inserted into the pipe. The speed at which the wheel rotates can be translated into a numerical
value representing the amount of liquid (flow) that is passing by it. Since the rotating wheel is actually
inserted into the flow stream, the stream must be clean. Otherwise, debris could get caught on the
wheel, causing it to stop turning and render the instrument inoperable.

Some of the constraints for these types of meters are:

• The water (or other fluid) must be clean (no suspended debris).

• If installed in a pipe, the pipe must always be full, allowing the flow stream to continuously
contact the rotating wheel.

• If the fluid being monitored is corrosive, a special type of wheel or turbine device must be
used that will be impervious to the chemical properties of the flow stream. (This will probably
increase the cost, so a different type of flow monitor may be a better solution for highly
corrosive liquids.)

Turbine type meters can be used in very small pipes (1/4” diameter) or very large pipes (6 feet diameter
or more) and usually have an accuracy of ±2%, which is sufficient for most common process applications.

Paddlewheel Flow Monitor


Topics: Inbound Marketing, Water Level Monitoring

Flow Monitoring Types and Applications

Posted by Terry Ohrum

Mar 24, 2014 8:30:00 AM

In order to select the proper flow monitoring equipment or device, one must understand the
requirements of the particular application. It is important to invest the time to understand and
evaluate characteristics of the process material being measured, and how the flow monitoring device
will be inserted into the process environment:

• Is the flow being monitored in an open channel (stream or other open container) or in a
process pipe? If in a pipe, what size is the pipe?

• What is the material being measured (air, gas, vapor, clean water, dirty water, etc…)?

• Is the material clean and, if not clean, what size particles of debris does it have in it?

• What is the viscosity of the material? (Viscosity is simply the thickness of a liquid. For
example, oil has a higher viscosity than clean water. In fluid mechanics, viscosity is actually
a little more complicated than that but this gives you a general idea. )

• What is the minimum and maximum flow rate?

• What is the minimum and maximum pressure? (This applies to gases, vapors and liquids.)

• What is the minimum and maximum temperature of the material? (This also applies to
gases, vapors and liquids.)

• What chemical properties does the material have, i.e., is it corrosive, explosive or inert?

• Do you require the meter to totalize the flow or just give an instantaneous rate of flow?

• Is the flow monitoring required locally only, or does the flow signal have to be transmitted
to a remote location?

A sales or engineering representative at a flow meter manufacturer can help in determining what flow
meter will work best in your specific application but you should know the answers to as many of the
above questions as possible before talking to them.

In subsequent posts, we will explore some of the more common applications for some of the different
types of flow monitoring systems.

Flow Monitoring in Process Applications


Topics: Inbound Marketing, Water Level Monitoring

3 Little Tips to Improve Your Fan Page Presence

Posted by Adriane Ohrum

Mar 21, 2014 11:00:00 AM

Happy Spring Solstice! Hopefully where you are, the sun is shining and there are signs of Spring emerging!

The idea that Spring is around the corner puts me in a wonderful mood, so today I've decided to give you some tips on improving your Facebook Fan Page.  The following tips are small things you can do to change the look and feel of your page, and also to improve your presence overall.


Topics: facebook, how to use facebook for marketing, social media tools

How To Do Inbound Marketing Video Workshop

Posted by Jason Ohrum

Mar 19, 2014 4:43:00 PM

Enjoy this free workshop on exactly how to do inbound marketing for your own business.


Topics: Inbound Marketing

Flow Monitoring Material Types

Posted by Terry Ohrum

Mar 17, 2014 8:30:00 AM

There are many different types of materials that require flow monitoring and each has unique
properties that may require a different type of flow meter:

• Abrasive

• Clean Gas

• Clean Oil

• Compressed Air 

• Corrosive

• Dirty Gas

• Fibrous

• Industrial Gases

• Lubricating Oil

• Saturated Steam

• Superheated Steam

• Clean Water

• Cooling Water

• Dirty Water

Later we will discuss the common flow meter types that can be used with some of the above materials
and how dependability and accuracy considerations dictate which flow meters can/should be used for
different materials.

Typical Flow Monitoring Device

Topics: Inbound Marketing, Water Level Monitoring

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