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Mettler Toledo MX304/A Analytical Balance, Internal Calibration, NTEP, 320 g x 0.1 mg

The Mettler Toledo MX304/A Analytical Balance sets a new standard for precision weighing in laboratory environments. Engineered for meticulous measurements, this advanced balance delivers reliable results—even for the most demanding laboratory and industrial applications. With a user-friendly interface and innovative features like internal calibration and a backlit draft shield, the MX304/A offers the accuracy and performance that respected professionals trust every day.

Unmatched in its class, the Mettler Toledo MX304/A combines cutting-edge technology with superior build quality, optimizing workflows while ensuring repeatable, traceable results. When accuracy, data integrity, and ease of use are essential, this analytical balance rises to meet every challenge.

Main Advantages:

  • Exceptional Precision and Accuracy: Achieve ultra-fine measurements down to 0.1 mg, thanks to MonoBloc weighing cell technology and built-in FACT automatic internal calibration.
  • Intuitive Operation: The large, full-color touchscreen streamlines workflows and enables easy access to balance functions and statistical data analysis, boosting productivity with every use.
  • Enhanced Sample Handling and Safety: Features like the ErgoDoor draft shield, leveling assistant, and robust overload protection make the MX304/A both safe and simple to operate—even in busy labs.

Why This Product is Essential:

For laboratories where every milligram counts, the Mettler Toledo MX304/A Analytical Balance ensures confidence in your results. Its combination of precision, reliability, and user-centric design makes it indispensable for research, quality control, and compliance with stringent laboratory standards. Invest in accuracy—your data, experiments, and reputation depend on it.

Specifications and Guides:

  • Features:
    • MonoBloc weighing cell technology
    • FACT automatic internal calibration
    • ErgoDoor draft shield for improved sample management
    • Lighted weighing chamber with QuickLock for easy cleaning
    • Configurable sample and task IDs with tracked activity log
    • Statistical data analysis and GxP compliant data logging
    • Strong full metal housing & overload protection
    • Large touchscreen and passcode security
    • NTEP approved for regulated environments
    • Power-saving mode to maximize efficiency
  • Manuals: Comprehensive operation and installation guides are available directly from Mettler Toledo’s official resource center.
  • Guides: Step-by-step instructions for calibration, cleaning, and data management support seamless integration into your laboratory workflow.
  • Specifications:
    • Capacity: 320 g
    • Readability: 0.1 mg
    • Internal calibration: FACT automatic system
    • Compliance: NTEP approved; GxP data logging
    • Touchscreen interface and illuminated chamber
    • Full metal build for durability

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.
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