Mettler Toledo MR503/A Precision Balance, Internal Calibration, NTEP, 520 g x 0.001 g - Machine Horizon
Mettler Toledo MR503/A Precision Balance, Internal Calibration, NTEP, 520 g x 0.001 g - Machine Horizon

Mettler Toledo MR503/A Precision Balance, Internal Calibration, NTEP, 520 g x 0.001 g

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Mettler Toledo MR503/A Precision Balance, Internal Calibration, NTEP, 520 g x 0.001 g - Machine Horizon

Mettler Toledo

Mettler Toledo MR503/A Precision Balance, Internal Calibration, NTEP, 520 g x 0.001 g

$4,635.00 $3,881.81
Mettler Toledo MR503/A Precision Balance, Internal Calibration, NTEP, 520 g x 0.001 g - Machine Horizon

Mettler Toledo

Mettler Toledo MR503/A Precision Balance, Internal Calibration, NTEP, 520 g x 0.001 g

$4,635.00 $3,881.81
  • Description
  • Why Buy From Us

Mettler Toledo MR503/A Precision Balance, Internal Calibration, NTEP, 520 g x 0.001 g

Product Overview:
Experience unmatched accuracy with the Mettler Toledo MR503/A Precision Balance, Internal Calibration, NTEP, 520 g x 0.001 g. Engineered for reliability and high performance, this laboratory balance is designed to meet the rigorous demands of research, quality control, and industrial laboratories. Thanks to advanced electromagnetic force compensation technology, intuitive touch-screen navigation, and fully automated internal calibration, you can count on consistently precise results—every time you weigh.

Main Advantages:

  • Unrivaled Accuracy and Compliance: Achieve highly precise measurements down to 0.001 grams and benefit from NTEP certification for legal-for-trade applications, ensuring compliance and peace of mind.
  • Automated Internal Calibration: The FACT automatic internal calibration system guarantees ongoing accuracy and reduces manual intervention, saving valuable time and minimizing user error.
  • User-Friendly Operation and Data Management: The large, full-color touch screen and versatile software make operation seamless while allowing for easy statistical analysis, sample tracking, and equipment integration.

Why This Product is Essential:
Precision and reliability are critical in laboratory environments—from research and development to quality assurance. The Mettler Toledo MR503/A Precision Balance ensures your measurements are always accurate, traceable, and ready for audit or compliance reporting. Whether you need to adhere to strict regulations or streamline workflows, this balance is an indispensable tool for any professional lab setting.

Specifications and Guides:

  • Features:
    • Electromagnetic Force Compensation (EMFC) weighing cell for superior precision
    • FACT automatic internal calibration and calibration reminders
    • QuickLock draft shield for easy cleaning
    • Overload protection and durable full metal housing
    • Statistical data analysis capabilities
    • Configurable sample and task IDs with tracked activity log
    • Integration-ready with MT-SICS commands for PLC and MES systems
    • Large, responsive color touch-screen interface
    • Leveling assistant ensures optimal setup
    • NTEP approval for legal-for-trade weighing
  • Manuals:
  • Guides:
  • Specifications:
    • Max Capacity: 520 g
    • Readability: 0.001 g
    • Internal Calibration: FACT automatic system
    • Display: Full color touch screen
    • Housing: Robust full metal construction
    • Legal-for-Trade: NTEP approved

Innovation and Reliability at Our Core

At Machine Horizon, we believe that powerful machines drive progress. Our mission is to make advanced technology accessible to creators, engineers, and businesses across industries—from precision CNC and milling to farming, printing, and laboratory equipment.

We’re dedicated to providing reliable, high-performance machines that help you produce, build, and innovate with confidence. Every product we offer is carefully selected for its engineering quality, efficiency, and long-term value.

A Customer-First Approach

We’re more than an online store—we’re your partner in finding the best machine for your need. Unlike large, impersonal retailers, our dedicated team delivers personalized guidance at every step. Whether you’re exploring, seeking expert advice, or need ongoing support, our specialists are always just a call or email away.

Passion for Machinery & Resilience


Our brand is built on a deep respect for craftsmanship, performance, and reliability. We understand how important the right equipment is to your success—that’s why we focus on machines that combine innovation with lasting durability. From small workshops to large production facilities, Machine Horizon provides solutions that help you work smarter, faster, and better.

Trusted Experts, Curated Brands


We partner directly with industry-leading manufacturers across multiple sectors to ensure every product meets our standards for quality and performance. Our curated selection means you can shop with confidence, knowing each machine is backed by expert support and full manufacturer warranties.

More Reasons to Choose Machine Horizon

  • Price Match Guarantee – We’ll match any competitor to ensure you always receive the best value.
  • Free Shipping – Enjoy free delivery on most* orders across the lower 48 U.S. states.
  • 100% Secure Ordering – Our platform uses SSL encryption to protect your information.
  • Exclusive Packages & Volume Discounts – Custom pricing available for workshops, labs, schools, and bulk orders.
  • Authorized Dealer – Every order is protected with full manufacturer support and warranties.


With Machine Horizon, you don’t just buy equipment—you invest in performance, precision, and long-term reliability

Frequently Asked Questions

Yes! We provide free and fast shipping on MOST orders within the continental United States. However, some specific brands and items will require a quote. You can live chat or call us for a quote
Most orders ship out within 1–2 business days and arrive within 3–5 business days depending on your location.
We offer easy returns as long as your item meets the conditions outlined in our Return Policy. Items must be unused, in original packaging, and returned within the specified return window.
Absolutely! Our in-house product experts are here to help. Live chat or call us 513-743-829 for personalized advice before or after your purchase.
Yes. All products include any applicable manufacturer warranties, and we’ll help you handle any warranty claims if needed.
Yes, we only sell 100% authentic, brand-new products, sourced directly from our manufacturers or authorized distributors.

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