Rosemount 5708 Inventory and Financial Reporting
Technical Note
00840-0700-4570, Rev AA
August 2015
Rosemount® 5708 3D Solids Scanners
for Bulk Solids Inventory and Financial Reporting
1
Introduction
This technical note provides an overview of the difficulties with inventory and financial reporting
of bulk solids products in storage containers, and how the Rosemount 5708 3D Solids Scanner
Series provides the best solution.
2
Overview
Accurate volume measurement is the basis for continuous inventory and financial reporting, as
well as cost-effective stock management.
Measuring the volume of bulk solids is never easy because surfaces are uneven and irregular.
The Rosemount 5708 3D Solids Scanner Series removes the guesswork and replaces it with
reliable accuracy in volume measurements.
Precise inventory data allows reliable financial reporting and forecasting, and a reduction in
costs associated with on-hand and safety stocks.
Technical Note
Rosemount 5708 Inventory and Financial Reporting
00840-0700-4570, Rev AA
August 2015
3
Why volume is the key measure
Where solids are involved, their dramatic undulating and varying surface makes single-point
level measurements in a vessel less than useful as they do not account for the variations caused
by peaks and troughs in the surface area. Typically, accuracy is no better than ±10 - 15% when
calculating the volume.
New technologies are replacing traditional single-point level measurements with continuous
online volume measurement, offering clear visualization of peaks and valleys of the material's
surface within vessels.
The introduction of 3D solids scanners provides accurate and reliable results, even when
measuring uneven or sloping surfaces in dusty conditions.
Matching the received data with known container dimensions allows an easy calculation of
product volume, enabling the immediate and accurate listing of inventory value for
end-of-month accounting and quarterly financial reports.
Figure 1-1. Typical Applications for Rosemount 5708 3D Solids Scanner Series
4
The Rosemount 5708 3D Solids Scanners Series
4.1
Overview
Rosemount 5708V non-contact 3D Solids Scanners
2

Highly accurate readings of level and volume

Provides average, minimum, and maximum level/distance measurements

Appropriate for vessels up to 40 ft. (12 m) in diameter
Rosemount 5708 Inventory and Financial Reporting
Technical Note
Rosemount 5708 Inventory and Financial Reporting
00840-0700-4570, Rev AA
August 2015
Rosemount 5708S non-contact 3D Solids Scanners
4.2

Highly accurate readings of level and volume

Monitors inventory in large vessels

Provides average, minimum, and maximum level/distance measurements

Unlimited vessel diameter when using a system of multiple scanners

Generates 3D visualization of the stored contents on a remote computer
How they are installed and configured
The Rosemount 5708 Series Reference Manual (document number 00809-0100-4570) contains
full instructions on installation and configuration. It is available electronically on the Rosemount
pages at www.emersonprocess.com.
4.3
How they work
3D Solids Scanners
The Rosemount 5708V and 5708S deliver accurate volumetric measurement of bulk solids and
powders. The scanners incorporate unique dust- and vapor-penetrating technology to achieve
an unrivaled degree of process measurement and inventory control, regardless of material type,
product characteristics, storage type and size, or harshness of the environment.
These 3D Solids Scanners from Emerson™ include an array of three antennas that generate low
frequency acoustic signals and receive multiple echo signals from the contents of a storage
container.
Using these integral antennas, the unit continuously measures not only the time/distance of
each echoed signal but also its direction, and generates a coordinate of the echo inside the
storage container.
The built-in Digital Signal Processor (DSP) digitally samples and analyzes the echoed signals and
produces accurate measurements of the level and volume of the stored contents. These
measurements are used to generate a 3D representation of the position and form of the
material within the container for displaying on remote computer screens.
3DVision/3DMultiVision application software
The 3DVision/3DMultiVision application software from Emerson provides real-time assessment
of bulk solids and powders in storage containers. The application periodically supplies
information, providing the essential real-time data required for critical decisions necessary for
successful plant management.
3DVision works with a Rosemount 5708V and 5708S non-contact volumetric scanner providing
measurement data to a Windows™ based computer running the programs. The program
continuously collects data from the monitored vessel and generates reports.
3DMultiVision works with a multiple Rosemount 5708V and 5708S non-contact volumetric
scanners, enabling a function to applied to grouped vessels across multiple sites. Data is
collected from all monitored containers in all sites and geographic regions. That data is
combined and merged to generate and analyze various types of reports.
Rosemount 5708 Inventory and Financial Reporting
3
Rosemount 5708 Inventory and Financial Reporting
Technical Note
00840-0700-4570, Rev AA
August 2015
Managers and staff with the appropriate authorization levels can view this data wherever they
are over a common LAN, WAN, or wireless communication.
Figure 1-2. Example 3DVision Screen
4.4
How they are used
Easy calculation of product volume
Matching the received data with known container dimensions allows an easy calculation of
product volume, enabling the immediate and accurate listing of inventory value for
end-of-month accounting and quarterly financial reports.
In addition, it allows for an annual or rolling inventory measurement. This is a primary
requirement to prevent over- or under-purchasing of products, and eliminate complications
which can occur when raising sales orders from potentially inaccurate inventory levels.
Reducing on-hand inventory cost
Efficient inventory management allows companies to have the right amount of stock in the right
place at the right time, and ensures capital is not tied up unnecessarily.
Replacing a level measurement device with the Rosemount 5708 Series 3D solids scanner can
immediately save between 8% and 13% of the on-hand inventory cost.
4
Rosemount 5708 Inventory and Financial Reporting
Technical Note
Rosemount 5708 Inventory and Financial Reporting
00840-0700-4570, Rev AA
August 2015
Savings made quickly pay for cost of 3D solids scanner
Based on an annual inventory carrying cost of between 25% and 52% of on-hand inventory, this
translates into a significant amount of money. A Rosemount 5708 3D Solids Scanner quickly
pays for itself based on the reduction of annual carrying costs, typically within a year.
4.5
Safety stock management
To manage inventory uncertainty and avoid fall-out from supply chain problems, most
companies carry 'safety stock'. Finding the right balance is essential as the amount of safety
stock an organization decides to carry can have a significant financial impact on their business.
Too much safety stock increases inventory costs and, because storage times are extended,
product can spoil, expire, or be damaged during handling. Conversely, too little safety stock can
result in missed sales and disappointed customers, which can adversely affect the company's
long-term financial success.
Carrying any stock is expensive and safety stocks simply add to this burden. The costs include
the following:

handling the inventory

obsolescence

deterioration

theft

taxes

insurance

cost of money
These costs can be as high as 50% of inventory value on-hand for bulk solid materials, while most
organizations use 25% as an estimated figure.
These higher costs are a direct result of the uncertainty generated by the inaccuracy of the level
measurement of bulk solids. The highly accurate measurement data gives management the
confidence to reduce safety stocks, and thereby costs. This safety stock reduction enables
management to cope better with any supply chain problem.
5
Conclusion
Being able to determine precisely what is in your bulk solids inventory is a vital and useful tool in
ensuring accurate financial reporting.
Using a Rosemount 5708V or Rosemount 5708S 3D Solids Scanner, removes the guesswork.
They are a practical and cost-effective measure that can deliver significant financial benefits.
Rosemount 5708 Inventory and Financial Reporting
5
Technical Note
00840-0700-4570, Rev AA
August 2015
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