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

Product Overview:

Experience unmatched precision and efficiency in laboratory weighing with the Mettler Toledo MA303 Precision Balance. Engineered for reliability, this balance streamlines your daily measurement processes through accurate internal calibration and advanced data management tools. Perfectly suited for professional laboratory environments, the MA303 provides precise results for samples up to 320 grams, readable to 0.001 grams. Its hybrid LCD touchscreen and intuitive interface enhance user interaction, making every weighing session seamless and productive.

Main Advantages:

  • Unwavering Accuracy: The integrated FACT automatic internal calibration system ensures every measurement remains consistent and precise, minimizing variability even during heavy use.
  • Effortless Data Management: Supplied with EasyDirect balance software and advanced data tracking tools, this precision balance enables efficient sample management and statistical analysis, saving valuable lab time.
  • Enhanced User Protection and Durability: With overload protection, a robust metal base, and a PBT hardened plastic housing, the MA303 is built to withstand demanding laboratory conditions while safeguarding your data and equipment.

Why This Product is Essential:

For researchers, technicians, and lab professionals, accurate weighing is foundational to experiment integrity. The Mettler Toledo MA303 Precision Balance not only ensures superior measurement accuracy but also streamlines workflows through its innovative features. Investing in this balance means greater confidence in your results, unsurpassed productivity, and fewer interruptions due to calibration or maintenance.

Specifications and Guides:

  • Features:
    • Electromagnetic Force Compensation (EMFC) weighing cell
    • FACT automatic internal calibration for reproducible accuracy
    • Calibration reminders for consistent performance
    • Hybrid LCD touchscreen for intuitive operation
    • Overload protection and easy-clean QuickLock draft shield
    • Passcode protection and tracked activity log for data security
    • Front panel level bubble for balance setup
    • Hook for below-balance weighing; Sample IDs for easy tracking
  • Manuals: Refer to the manufacturer’s official documentation for complete operating instructions and maintenance.
  • Guides: Setup and calibration guides are available from Mettler Toledo for step-by-step support.
  • Specifications:
    • Maximum Capacity: 320 g
    • Readability: 0.001 g
    • Stabilization Time: Fast, minimizes downtime between measurements
    • Construction: Metal base, PBT top housing
    • Data Connectivity: MT-SICS commands for PLC & MES integration
    • Software: EasyDirect balance software for statistical analysis and tracking

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.
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  • 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

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Most orders ship out within 1–2 business days and arrive within 3–5 business days depending on your location.
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