The Sonic 350-LW Checkweigher provides weighing options for companies that package
cups filled with various condiments or blister packs that cannot be weighed with a standard checkweigher.
The Sonic 350-LW checkweigher provides additional weighing options for companies that produce items that cannot
be weighed with a standard checkweigher. This checkweigher is capable of weighing various items such as
thermoformed sauce cups filled with condiments, blister packs, or any other small-surfaced package. It is
designed for stop motion weighing
of packaged products weighing from 10 grams to 200 grams and provides
accuracies of up to +/- 0.5 gram. Production rates up to 400 units per minute are achievable, depending on
the configuration.
The unique design of the Lift-N-Weigh Checkweigher allows it to weigh small packets contained in a carrier that could
otherwise not be weighed. The weighing mechanism is mounted above the conveyor so it can pick up the product up off
of the carrier. The checkweigher quickly lifts the packets, weighs and releases them back onto their carrier, then
generates a true weight before they continue down the conveyor. The process ensures that each packet is being filled,
and filled to the proper weights. This solution provides companies unable to checkweigh with the opportunity to
improve their quality assurance.
This checkweighing system uses a unique suction powered lifter and load cell element that checkweighs a row of two
or more than five packets at a time. The precision scale is capable of weighing about 60 rows of five packets a
minute or two rows of five in each carrier for 120 total carrier packets weighed per minute.
The Sonic 350-LW features quick and simple operation with easy changeover from product to product. Its stainless
steel construction is tough enough to handle almost any product in any environment, yet is responsive in both
accuracy and performance. Unlike other systems on the market, the Sonic 350-LW utilizes a single static calibration
to provide accurate and repeatable weights over the range of the scale.
The controllers for these highly advanced checkweighers can hold 75 unique product setups in memory and display
useful information on production as each unit is weighed. The checkweigher controller offers both English and
Spanish menus in full sentences for better comprehension by shop floor operators.
These versatile checkweighing systems are constructed of all stainless steel components and are available in
various configurations to meet specific requirements: food grade (compliant applications), washdown and corrosive
applications, as well as hazardous environments up to Class I, Division 1. They also offer a wide variety of
reject options such as optional conveyors, light displays, alarms, reporting packages, and communication interfaces.
Quotation Questionnaire:
Complete our on-line questionnaire to receive a detailed proposal for your application. If you choose to fill out this form, Thompson Scale will provide a detailed proposal for equipment to meet your specific requirements. Be sure to include your name, company name, telephone number, and fax number so we can get in
touch with you if additional information is needed.
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Heavy Duty Checkweighers 
