• METTLER TOLEDO AJB-005 Analog Weighing Sensor Junction Box - METTLER TOLEDO
  • METTLER TOLEDO AJB-005 Analog Weighing Sensor Junction Box - METTLER TOLEDO
  • METTLER TOLEDO AJB-005 Analog Weighing Sensor Junction Box - METTLER TOLEDO
  • METTLER TOLEDO AJB-005 Analog Weighing Sensor Junction Box - METTLER TOLEDO
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METTLER_TOLEDO

METTLER TOLEDO AJB-005

METTLER TOLEDO AJB-005

$352.02 USD
$352.02 USD $352.02 USD
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MPN AJB005
Capacity 0-2000kg
Resolution 0.0001-0.5kg
Current Range 0-5A
Type Analog Weighing Sensor
Input 4-wire
Model AJB-005
Accuracy 100%
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Description


METTLER TOLEDO AJB-005

METTLER TOLEDO AJB-005 is a precise analog weighing sensor for industrial applications with 4-wire input and 100% accuracy.

METTLER TOLEDO AJB-005 is a high-precision analog weighing sensor designed for industrial applications. It features a 4-wire input configuration, providing reliable current output for PLC systems. The sensor operates within a current range of 0-5A, with a weighing capacity of 0-2000kg and a resolution of 0.0001-0.5kg. Offering 100% accuracy, it is ideal for applications requiring precise weight measurements.

Engineer's Quick Brief

The METTLER TOLEDO AJB-005 is a premium analog load cell junction box engineered to deliver unmatched signal stability for industrial weighing systems. Moving away from traditional, temperature-sensitive potentiometers, it utilizes precision discrete resistors for corner shift adjustment.

  • Zero-Drift Shift Adjustment: Employs gold-plated encoding rotary switches (SMT resistors) instead of trim pots, eliminating thermal drift and vibration-induced resistance changes.
  • CalFree™ Compatibility: Engineered to be absolutely neutral out of the box with an initial shift error of < 1/6000, enabling highly accurate test-weight-free calibration.
  • Primary Application: Ideal for 4-load-cell floor scales, tank/hopper weighing, and heavy-duty truck scales operating in harsh, high-vibration industrial environments.

Product Overview: METTLER TOLEDO AJB-005 Analog Junction Box

In high-precision industrial weighing, the integrity of the analog signal from the load cells to the indicator is paramount. The METTLER TOLEDO AJB-005 Analog Junction Box serves as the critical summing hub for up to 4 (or 6, depending on terminal configuration) analog strain gauge load cells. Its standout feature is the precision rotary switch adjustment mechanism, which provides 256 exact steps of shift adjustment without the reliability trade-offs associated with standard multi-turn potentiometers. Housed in a robust enclosure, the AJB-005 ensures that environmental factors like moisture and temperature fluctuations do not compromise your scale's accuracy.

Technical Specifications

Note: Data reflects general specifications for the METTLER TOLEDO AJB Precision Junction Box series. Always consult your specific serial number's datasheet for exact hazardous area approvals.

Category Parameter Specification
Input / Output Load Cell Connections Designed for 4-wire or 6-wire analog load cells
Performance Shift Adjustment Method Encoding rotary switches with precision discrete SMT resistors
Performance Adjustment Steps 256 steps (Smallest adjustment step: ~1/19000)
Performance Initial Error < 1/6000 (Allows for absolute neutral setting)
Electrical Load Cell Resistance Range Typically 120 Ω to 1200 Ω (up to 4000 Ω on extended models)
Environmental Protection Rating IP65 (Standard) / IP69K versions available for washdown

Industrial Application Matrix

Industry Specific Application Engineering Value
Food & Beverage Batching and Tank Weighing Stable signal transmission even under extreme temperature washdowns, preventing batching errors.
Logistics & Freight Floor Scales & Truck Scales Vibration-resistant rotary switches ensure the corner calibration does not drift from heavy shock loads.
Chemical Manufacturing Reactor Vessel Weighing CalFree™ capability allows for scale calibration where applying heavy test weights is physically impossible.

Koeed Engineering Tool: 4-Corner Shift Deviation & Trim Target Calculator

When calibrating a 4-load-cell platform using an analog junction box like the AJB-005, technicians must measure the reading at each corner with a standard test weight. Because passive junction boxes can only attenuate (reduce) the signal, you must identify the corner with the lowest reading as your "Target" and trim the other corners down to match it. Use this tool to quickly calculate the deviation and identify your trimming strategy.

Enter the indicated weight when the test mass is placed on each respective corner:

Troubleshooting & FAQ

How do I perform a corner shift adjustment on the AJB-005 using the rotary switches?

Unlike standard J-boxes with trim pots, the AJB uses hexadecimal rotary switches (x16 and x1). To adjust: First, set all switches to the absolute neutral position (typically "80"). Apply a test weight to the center and record the reference value. Move the weight to the first corner. Use the "x16" switch for coarse adjustments and the "x1" switch for fine adjustments until the terminal displays the center reference value. Repeat this process for all corners.

Why is the scale reading drifting even after replacing the junction box?

Because the AJB-005 uses discrete SMT resistors, it is practically immune to the thermal drift that plagues traditional potentiometers. If your scale is drifting, the issue is highly likely outside the junction box. Check for: 1) Moisture ingress in the load cell cables or damaged shielding. 2) Mechanical binding or debris under the scale platform preventing free movement. 3) Ensure the desiccant bag inside the AJB enclosure is fresh and all cord grips are fully tightened.

Can I use the AJB-005 with non-Mettler Toledo analog load cells?

Yes. The AJB series is a universal analog summing box and is compatible with standard strain gauge analog load cells (typically 2mV/V or 3mV/V) from any manufacturer, provided their resistance falls within the acceptable range (120 Ω - 1200 Ω).

Cross-Reference & Selection Guide

If you are upgrading an older weighing system, the METTLER TOLEDO AJB series offers several variations based on load cell count and environmental protection. Consider these alternatives:

  • Traditional Trim-Pot Boxes: If migrating from older brands like Rice Lake or Vishay, the AJB-005 is a direct functional upgrade providing better long-term stability.
  • METTLER TOLEDO AJB-006 / AJB-008: Designed for systems with 6 or 8 load cells (e.g., long truck scales).
  • Digital Upgrade (POWERCELL®): If analog noise remains an issue, consider upgrading the entire system to Mettler Toledo's digital POWERCELL® PDX® load cell network, which eliminates the analog junction box entirely.

About Koeed Automation

Expert Supply Solutions for Global Industrial Electronics

At Koeed.com, we are professional architects of the industrial electronics supply chain. We specialize in providing high-performance PLCs, HMIs, Servo Motors, Drives, and Converters to ensure that modern manufacturing operations remain efficient, reliable, and future-proof in 2026’s competitive landscape.

🛡️ Certified Quality

We source only 100% authentic industrial hardware from global category leaders. Every component undergoes a rigorous verification process to meet Industry 4.0 reliability standards.

⚙️ Engineering Domain

Our experts provide more than just parts; we offer technical insight. We assist in complex product selection and compatibility audits for both legacy system upgrades and new installations.

🌐 Rapid Global Logistics

Time is money in industrial automation. Our optimized supply network ensures that critical components reach your facility quickly, significantly reducing unplanned downtime and operational loss.

Strategic Global Portfolio: Siemens, Omron, FANUC, Schneider Electric, Mitsubishi, Yaskawa, Allen-Bradley, and other elite industrial brands.

Supporting your vision for a smarter, more efficient industrial future.

Alternative Names


  • AJB-006

Special Reminder

Important

If you have any questions about product information and prices, please feel free to contact us by email or WhatsApp. We will respond quickly.

  • Business Days Only (Monday through Saturday)
  • It takes up to 10 days from the time of ordering (excluding Saturdays and Sundays) to the time of delivery to your designated location. Worldwide delivery.
  • Within 3 days after placing the order, we will send you photos and videos of the product via email or WhatsApp for confirmation

International shipping - items may be subject to customs processing depending on the item's customs value.
Sellers declare the item's customs value and must comply with customs declaration laws.
As the buyer, you should be aware of possible:

  • Delays from customs inspection.
  • Import duties and taxes which buyers must pay.
  • Brokerage fees payable at the point of delivery.

Shipping Policy

Global Delivery

We ship to customers all over the world. Our primary logistics providers are DHL, UPS, TNT, FedEx, and EMS.

Processing Time

All orders are processed within 72 hours of purchase. Please note that this applies to business days only.

Shipping Rates & Delivery Estimates

Shipping charges for your order will be calculated and displayed at checkout. Delivery estimates are within 7-14 days. Please note that these shipping times are only estimates and unfortunately, cannot be guaranteed.

Shipment Confirmation & Order Tracking

You will receive a Shipment Confirmation email once your order has shipped containing your tracking number(s). The tracking number will be active within 24 hours.

Customs, Duties, and Taxes

Please note, international shipping services do vary from country to country. To find out the exact services that are available, please put in your full address at checkout. Shipping internationally does mean that you may be required to pay customs and import taxes. All international customers are responsible for the customs rates within their own country. For further information, we recommend contacting your local customs office.

Damages

We take every reasonable precaution to ensure that products are not damaged. If the item is damaged in transit, please immediately contact us. We are not liable for any products damaged or lost during shipping. If you received your order damaged, please contact the shipment carrier to file a claim. Please save all packaging materials and damaged goods before filing a claim.

Force Majeure

When encountering with force majeure, the processing of orders will be delayed. Nevertheless, it is ensured that your order will be processed in a fast manner when weather permits.

Address Verification

Please verify you have the correct shipping address on your order PRIOR to making payment as this is the address we will ship to.

Return Policy

For more information, visit our Return Policy page.

International shipping - items may be subject to customs processing depending on the item's customs value.

Sellers declare the item's customs value and must comply with customs declaration laws.
As the buyer, you should be aware of possible:
• Delays from customs inspection.
• Import duties and taxes which buyers must pay.
• Brokerage fees payable at the point of delivery.

Contact Us

If you have any questions about your order, please contact us at moritta@koeed.com.

Return Policy

Return and Refund Policy

We want you to be completely satisfied with your purchase on our store. If for any reason you are not entirely satisfied, we're here to help!

Returns

You have a generous 30 calendar days to return an item from the date you received it. To be eligible for a return, ensure the item is in its original, unworn, and unused condition with tags and packaging intact. Retain your receipt or proof of purchase for eligibility. Please note that certain items are non-returnable like perishables, custom products, personal care goods, hazardous materials, flammable liquids, and gases. Reach out for clarifications on specific items.

Return Process

Commence the return process by reaching out to us at moritta@koeed.com. Upon approval, we will furnish you with a return shipping label and detailed instructions for dispatching your package. Unnotified returns will not be accepted.

Damages and Issues

Kindly review your order upon delivery. Notify us promptly if it arrives defective, damaged, or incorrect. We will address the matter swiftly.

Exchanges

Facilitate a swift exchange by returning the original item once approved and making a new purchase.

EU 14-Day Cooling Off Period

EU-bound shipments allow a 14-day cancellation or return period without justification. Conditions mirror standard returns.

Refunds

Upon receiving and inspecting your return, we’ll inform you of the refund status. Approved refunds are automatically processed within 10 business days via the initial payment method. Allow time for financial institutions to finalize the refund. For delays exceeding 15 business days post-approval, contact us at moritta@koeed.com.

Shipping

You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund.

Contact Us

If you have any questions on how to return your item to us, feel free to contact us at moritta@koeed.com.

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