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Essae has been developing, testing, and installing
weigh in motion systems for a number of years. We listen to you, the
customer, to develop hardware and software that does what you want
it to do. This web page is designed to help you learn about weigh in
motion and to choose a system that is right for your application.
Weigh in Motion Components
Each weigh in motion system will consist of the
following components. These components will vary with the
type of system you require.
Weight sensors - the hardware that weighs the vehicle.
The type of sensor depends on your system requirements -
portable or permanent installation. Please see below.
Cabling - connects the weight sensors to the computer.
Computer Interface - data acquisition electronics
that convert the scale readings to real weight. Click here
for information on the interface, and computer requirements.
PC Software - does calculations on the weight readings
and stores the data.
Types of Weigh in Motion
The two major types of weigh in motion are portable and
permanent. Both systems have the same basic components.
Portable
In a portable system, the computer, and weight sensors are
the portable part. A portable system is able to be set up
in under 10 minutes, and can be used on any flat, hard,
and level surface. This type of system can be used to weigh
vehicles where a permanent installation is not feasible,
or where the system needs to be moved frequently to different
locations.
Permanent
Permanent systems are usually installed where the scale
needs to become part of the road, and the weighing is integral
to other processes. Locations such as border crossings,
toll lanes and shipping gates are typical applications for
permanent systems.
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