Checkweigher system AD-4961

Checkweigher system AD-4961

Inspection System / Checkweigher System

Key Highlights & Features

  • Checkweigher system model AD-4961-600 check weight up to 600g.
  • Checkweigher system model AD-4961-2KD check weight up to 2Kg.
  • Checkweigher system model AD-4961-6K check weight up to 6Kg.
  • High speed inline checkweigher system that’s been specially designed to weigh, classify and segregate products based on weight.
  • Its Japanese design provides high-level performance, accuracy and reliability, making it easily adaptable to existing lines.

Product Description

Intelligent checkweigher system

provides accurate weighing with simple and intuitive operation.

With this high accuracy checkweigher system, you can minimize the giveaway of materials above the specified weight and contribute to reductions in production costs.

“EZI-Check” Checkweigher System Specifications

Model AD-4961-2KD-2035 AD-4961-6K-3050
Capacity 500g / 2,000g 6,000g
Resolution 0.01g / 0.1g 0.1g
Accuracy(3δ) *1 0.08g / 0.18g 1.0g
Max. throughput 320pcs/min 145pcs/min
Conveyor belt width 200mm 300mm
Conveyor length 350mm 500mm
Transport medium Urethane belt
Conveyor belt speed 15~120m/min 10~80mm/min
Max. product dimensions Length : 30~300mm Length : 80~450mm
Width : 200mm Width : 300mm
Weighing sensor Strain gauge load cell
Display 7 inch touch panel color display (WVGA)
Operation method Touch panel (resistive film type), operation buttons
Number of recorded items 1,000 items (10 groups x 100 items)
Communication functions Modbus TCP / Modbus RTU / RS-232C/485 (selectable) / TCP/IP (PostScript printer) / USB (for PostScript printer, USB memory, data storage, image import use) *3
External input Non-voltage contact input 4 points
External output Relay output 8 points
Dust/water resistance specifications IP65
Operation temperature/humidity range -5~40℃ / humidity below 85% (with no condensation)
Power supply *4 Single phase AC100V-240V (+10% / -15%), 50/60Hz 180VA
External dimensions *2 Length : 700mm Length : 1005mm
Width : 660mm Width : 736mm
Height : 710-860mm Height : 720-870mm
Weight *2 Approx. 35kg Approx. 50kg
Material Display : ABS resin

Conveyor unit : Aluminum (alumite coating) and PP resin

Control box : Stainless steel

Base unit : Stainless steel

*1 Depends on the shape and the condition of the product and installation environment.
*2 Values for external dimensions and weight are for standard conditions without rejector.
*3 USB memory must be formatted to FAT32.
*4 Please prepare a Φ4-7mm power cable.

Checkweigher system model ad4961_03

Checkweigher system model ad4961_03

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Checkweigher System

Unique modular design

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Checkweigher system model AD-4961 consists of four units: an infeed conveyor unit, a weighing conveyor unit, a control unit and a base unit, allowing fast and simple assembly.
In the case of system shutdown, you do not need to wait for a service engineer to respond to the issue.
Just simply replace the unresponsive module by yourself, so that you can shorten system downtime and maximize production efficiency.

Checkweigher system units

Modbus communication

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This checkweigher system is Equipped with Modbus RTU/Modbus TCP as standard.
With Modbus communication, seamless connection can be easily achieved.
Operations such as stopping and starting weighing, collecting data and changing product can all be set from an external device.

Checkweigher system modbus


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Checkweigher system accessories01

AD4961-01 Display stand

The display is attached on the opposite side from the standard display position, across from the user.
The display is located approx.
310mm above the conveyor belt.

Checkweigher system accessories02

AD4961-02 Tower light

Highly visible three color LED tower light.
Easy configuration with the AD-4961 checkweigher using DO (Digital Output) map setting.
*AD-4961-01 display stand is required to install this option.
*Dust and water resistance level is IP53.

Checkweigher system accessories03

AD4961-11 Upper breeze break

Anti-static breeze break prevents air currents to the weighing conveyor and static electricity to achieve accurate weighing.
Clearance between the conveyor belt and the breeze break is 135mm.
Use together with the lower breeze break is recommended.
Material : PVC anti-static plate
*This option is for AD-4961-2KD-2035.

Checkweigher system accessories04

AD4961-12 Lower breeze break

Prevents air currents from underneath the system to ensure accurate weighing.
Use together with the upper breeze break is recommended.
Material : Stainless steel
*This option is for AD-4961-2KD-2035.

Checkweigher system accessories05

AD4961-13 Cross plate

Eliminates gap between infeed conveyor and weighing conveyor and conveys products smoothly.
Suitable for weighing small products.
Material : Stainless steel
*This option is for AD-4961-2KD-2035.

Checkweigher system accessories06

AD4961-14 Product guide

Installed on both infeed and weighing conveyors.
Adjusts products to be conveyed on the center of both conveyors.
Applicable product width is from 50mm to 100mm.
Material : Stainless steel
*This option is for AD-4961-2KD-2035.

Rejector For AD-4961-2KD-2035

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Checkweigher system rejection01

AD4981-2057 Flipper type rejector

Checkweigher system rejection02

AD4982-2035 Conveyor drop rejector

Please prepare an air compressor with a φ6mm air tube to be connected to the filter regulator of the rejector.
Air supply: 0.5MPa, 0.1NL/time

Rejector For AD-4961-6K-3050

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AD4983-3050 Pusher rejector

Please prepare an air compressor with a φ6mm air tube to be connected to the filter regulator of the rejector.
Air supply: 0.5MPa, 3.0NL/time

Product Downloads

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The following files are available for download for the checkweigher system model AD-4961. Ensure you select the correct documentation for your unit’s software version. Check back regularly for software and other updates.

To download files, please click on a filename below.

Checkweigher-AD4961- Brochure