The Thermo Scientific™ Versa Frame 8120 checkweigher offers a rugged chain design that is easy to clean and maintain. The simplified design with minimal moving parts enables high rates and superior accuracy weighing in many applications and is ideal for weighing cartons, cans, bottles and rigid packages.
Unit of Measure



N/A Thermo Scientific™

Typical Accuracy (±)

N/A 0.5 g

Typical Micropitch Chain Accuracy (±)

N/A 1.0 g

Typical Nylatron Chain Accuracy (±)

N/A 1.5 g

Chain Material

N/A Stainless Steel

Note for Accuracy

N/A Product/speed dependent
2 standard deviations from mean

Line Speed

N/A 6.1 to 167.6 m/min20 to 550 ft/min


N/A Up to 700 packages/min
Product Weight1 N/A Up to 11 kgUp to 25 lb

Frame Construction

N/A 304 Stainless Steel

Drive Motor

N/A Sealed Washdown Optional Splash-Proof Standard

Weigh Cell

N/A Hermetically Sealed Optional Splash-Proof Standard

Operating Temperature

N/A -10 to +40 ºC+14 to +104 ºF


N/A 0 to 95 %

Electrical Supply

Alternating Current (AC) Voltage

N/A 115 V220 V

Alternating Current (AC) Voltage Tolerance (+)

N/A 10 %


N/A 50 Hz60 Hz

Number of Phase

N/A 1

Weighframe Dimensions

Weighframe Length

N/A 609.6 mm762.0 mm914.4 mm24 in30 in36 in

Weighframe Height

N/A 660.4 to 1066.8 mm26 to 42 in

Adjustable Increment Weighframe Height

N/A 50.8 mm2 in

Weighframe Width

N/A 494.8 mm19.48 in

Maximum Product Specifications

Maximum Product Length2 N/A 532 mm21 in

Maximum Product Height

N/A Product-Stability Dependent
Maximum Product Width3 N/A 355 mm14 in


Transport Media

N/A Nylatron chain for light products; stainless steel chain for heavy products; micropitch chain for high accuracy

Infeed/Outfeed Conveyors

N/A A complete selection of conveyors is available depending on application requirements - consult factory

Side Belt Transfer Conveyors

N/A A complete selection of transfer belts are available depending on application requirements - consult factory for details

Washdown Option

N/A Hermetically-Sealed Load Cell and Waterproof Motor

Emergency Stop

N/A Mushroom Push-Button

Features and Benefits

Features and Benefits

  • Very high rates and accuracy
  • Rugged and reliable design with few moving parts
  • State-of-the-art electronics
    • Automatic setup in just minutes
    • Contextual help screens to guide operation
    • Expanded statistics and graphs for detailed views of production line performance
    • 100 standard product memories, expandable to 400 and searchable by product number, name or code
    • Large, high-visibility weight display supplemented by a bright "good/bad" or "go/no go" indicator

Customized Options

Customized Options

N/A Available with local mount or remote electronics, the Versa Frame 8120 can also be equipped with integrated or free-standing infeed and/or outfeed conveyors. The Versa Frame 8120’s infeed conveyor can be fitted with an optional helix system for cans. A variety of reject systems, such as air jets, pushers, or swing gates, can be added. A washdown option is available for harsh environments and includes a hermetically sealed load cell and waterproof drive motor. For increased functionality, an optional Thermo Scientific™ Apex™ Metal Detector may be seamlessly integrated to provide a complete weight control and contaminant inspection station.

A unique chain weighframe design suitable for a broad range of applications.

Additional Information

Additional Information

N/A Upgrade of controller and software on existing frames
If your existing Versa Frame 8120 weigh conveyor (formerly sold under the Ramsey brand name) is in good condition and you are interested in extending its life, we provide a Versa Conversion Kit to replace your present controller.
  • 1 Per Product.
  • 2 Rate Dependent.
  • 3 Rigidity Dependent.