Mettler Toledo MA303/A Precision Balance, Internal Calibration, NTEP, 320 g x 0.001 g - Machine Horizon
Mettler Toledo MA303/A Precision Balance, Internal Calibration, NTEP, 320 g x 0.001 g - Machine Horizon

Mettler Toledo MA303/A Precision Balance, Internal Calibration, NTEP, 320 g x 0.001 g

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Mettler Toledo MA303/A Precision Balance, Internal Calibration, NTEP, 320 g x 0.001 g - Machine Horizon

Mettler Toledo

Mettler Toledo MA303/A Precision Balance, Internal Calibration, NTEP, 320 g x 0.001 g

$2,745.00 $2,298.94
Mettler Toledo MA303/A Precision Balance, Internal Calibration, NTEP, 320 g x 0.001 g - Machine Horizon

Mettler Toledo

Mettler Toledo MA303/A Precision Balance, Internal Calibration, NTEP, 320 g x 0.001 g

$2,745.00 $2,298.94
  • Description
  • Why Buy From Us

Mettler Toledo MA303/A Precision Balance, Internal Calibration, NTEP, 320 g x 0.001 g

Product Overview:
Experience unmatched accuracy and efficiency with the Mettler Toledo MA303/A Precision Balance. Designed for professional laboratories and tailored for critical applications, this balance seamlessly integrates advanced technology and a user-friendly interface to deliver precise, reliable weighing for samples up to 320 grams, down to 0.001 grams. With its automatic internal calibration and enhanced data management, the MA303/A ensures your laboratory workflows remain uncomplicated, compliant, and consistently accurate.

Main Advantages:

  • Unrivaled Precision & Reliability: Electromagnetic Force Compensation (EMFC) and FACT automatic internal calibration provide repeatable, traceable weighing results, meeting stringent laboratory standards every time.
  • Simplified Data Management & Compliance: Easily track and document your weighing activities, sample IDs, and calibrations. MT-SICS commands streamline integration with PLC and MES systems for smooth lab automation.
  • Effortless Operation & Maintenance: The hybrid LCD touchscreen and QuickLock draft shield enable swift setup, fast stabilization times, and quick cleaning, ensuring optimal uptime and work efficiency.

Why This Product is Essential:
In any research, quality control, or production environment, confidence in your measurements is critical. The Mettler Toledo MA303/A Precision Balance removes uncertainty by combining intuitive operation with advanced calibration features. Laboratories trust this NTEP-approved balance to deliver reliable results, minimize manual errors, and support rigorous documentation—making it indispensable for achieving compliance and operational excellence.

Specifications and Guides:

  • Features:
    • Electromagnetic Force Compensation (EMFC) weighing cell
    • FACT automatic internal calibration with reminders
    • Hybrid LCD touchscreen display for intuitive control
    • EasyDirect balance software for comprehensive statistical analysis
    • Sample ID entry and tracked activity log for secure traceability
    • Metal base with PBT hardened plastic top housing and overload protection
    • QuickLock draft shield for effortless cleaning
    • Passcode protection and below-balance weighing hook
    • NTEP approved for commercial and legal-for-trade use
  • Manuals:
  • Guides:
  • Specifications:
    • Capacity: 320 g
    • Readability: 0.001 g
    • Internal calibration: FACT, automatic & on-demand
    • Weighing cell: EMFC
    • User interface: Hybrid LCD touchscreen
    • Construction: Metal base, PBT (hardened plastic) housing
    • Compliance: NTEP approved
    • Connectivity: MT-SICS commands for system integration
    • Additional features: Overload protection, draft shield, passcode security, under balance weighing hook

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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