quality  control  instruments

Why should you CHOOSE sixt7 gmbh quality control instruments ?

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For high-quality containers
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For lighter containers
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To overcome production process variations
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To overcome scrap issues / waste of material
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To improve line efficiency and reduce overall production costs
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For an Eco-friendly production

Six-T7 gmbh QUALITY CONTROL

Six-T7 GmbH is providing the Packaging Industry all around the world with customized solutions for any small, medium or larger quality control laboratory.

With a broad line of products and services, with a full industrial expertise, Six-T7 GmbH becomes your best partner in terms of quality control.

leak test - pressure / vacuum

VLT-PLC Vacuum Leak Tester (PLC Model)

Air and water tightness test box: vacuum test

Tests on

Bottles: Glass or PET and Preforms

Caps: Aluminium, other metal, plastic

Cans: Aluminium, others

Pots: caps, film, blisters etc.

Leak detection by setting vacuum

with or withouht step

VLT-ST is equipped with a touching screen. It‘s visual and easy to operate. Adjustable vacuum and holding time stage setting, meets different test requests of various products.
Testing screen
Cycle selecting screen
Test curve
Cycle 1
Cycle 2
Cycle 3
Cycle 4

Technical specifications

  • Vacuum adjustable up to - 999 mb
  • Box with dimensions upon request
  • Box made of polished transparent PMMA (very rugged)
  • Easy to use and safe by touch screen PLC Control Panel
  • Dynamic display: Testing status / Date and time
  • Display: Product name / Operator / Lot No. / Sample No.
  • User defined test cycle (up to 16 modes). Pre-define up to 4 steps of each test. Vacuum level and holding time adjustable
  • For each step. Satisfies different kinds of testing request
  • Easy operation, only to select the pre-defined mode forstarting a test no need to set the parameters every time
  • 10 operators and 30 products memorisable
  • Lot No. and Sample No. editable
  • Review of the testing curve
  • RS 232 C output
  • Accuracy: 0.5% of the measure
  • Delivered with high performance vacuum pump
  • Runs with 6 bar network
  • Runs with 6 bar network
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Optional parts

  • Immersion system
  • Shelf structure
  • High performance pump (vacuum -999 mb)
Mini printer (Optional)
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Box with front door and shelves
Box with immersion system

Interested ?

Contact us

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