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Mettler Toledo MS403TS/00 Precision Balance, Internal Calibration, 420 g x 0.001 g

Product Overview:

The Mettler Toledo MS403TS/00 Precision Balance redefines dependable laboratory weighing with a harmonious blend of accuracy, security, and ease of use. Designed for professional and laboratory environments, this high-precision balance offers 420 g capacity and ultra-fine 0.001 g readability, ensuring consistent accuracy in every measurement. The innovative MonoBloc weighing cell and ProFACT internal calibration system guarantee that your results remain precise, reducing costly errors and streamlining workflows for maximum productivity.

Main Advantages:

  • Unmatched Measurement Confidence: Real-time automatic warnings notify users if methods or tolerances are not followed, making errors easy to detect and correct before they become costly problems.
  • Premium User Experience: The expansive, interactive 7-inch color TFT touchscreen is easy to operate—even when wearing cotton, rubber, or silicon gloves—offering ultimate flexibility across diverse applications.
  • Advanced Security & Efficiency: Features like programmable soft-keys, passcode protection, and built-in diagnostics optimize your workflow and keep your data protected at all times.

Why This Product is Essential:

Precision balances are vital in any laboratory, research, or industrial setting where accuracy cannot be compromised. The Mettler Toledo MS403TS/00 Precision Balance offers peace of mind with advanced safety features, superior calibration technology, and a robust design that withstands daily use. It is an indispensable tool that enhances workflow, reduces the likelihood of costly errors, and meets the demanding needs of modern laboratories.

Specifications and Guides:

  • Features:
    • 420 g capacity with precise 0.001 g readability
    • Automatic warning system for deviations and tolerances
    • MonoBloc weighing cell with overload protection
    • Internal ProFACT calibration for easy maintenance
    • 7-inch color touchscreen operable with gloves
    • LevelControl for precise on-screen leveling
    • MinWeigh feature for minimum weight assurance
    • Durable metal base and advanced passcode protection
    • Interfaces: USB, USB host, RS-232, LAN; Bluetooth/WLAN optional
    • Supports 15 languages, statistical data analysis, and direct PC connectivity
  • Manuals:
  • Guides:
  • Specifications:
    • Capacity: 420 g
    • Readability: 0.001 g
    • Display: 7" color TFT touchscreen, glove-friendly
    • Calibration: ProFACT internal, automatic
    • Interfaces: USB, USB host, RS-232, LAN
    • Power: AC adapter included
    • 15 languages, metal base, passcode lock

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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