Ohaus EX423N/E Explorer Precision Balance, 420 G X 0.001 G, EXTERNAL CAL, CERTIFIED 0.01 G - Machine Horizon
Ohaus EX423N/E Explorer Precision Balance, 420 G X 0.001 G, EXTERNAL CAL, CERTIFIED 0.01 G - Machine Horizon

Ohaus EX423N/E Explorer Precision Balance, 420 G X 0.001 G, EXTERNAL CAL, CERTIFIED 0.01 G

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Customers rate us 4.6/5 based on 131 reviews.
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Ohaus EX423N/E Explorer Precision Balance, 420 G X 0.001 G, EXTERNAL CAL, CERTIFIED 0.01 G - Machine Horizon

Ohaus

Ohaus EX423N/E Explorer Precision Balance, 420 G X 0.001 G, EXTERNAL CAL, CERTIFIED 0.01 G

$4,393.00 $3,734.05
Ohaus EX423N/E Explorer Precision Balance, 420 G X 0.001 G, EXTERNAL CAL, CERTIFIED 0.01 G - Machine Horizon

Ohaus

Ohaus EX423N/E Explorer Precision Balance, 420 G X 0.001 G, EXTERNAL CAL, CERTIFIED 0.01 G

$4,393.00 $3,734.05
  • Description
  • Why Buy From Us

Ohaus EX423N/E Explorer Precision Balance, 420 g x 0.001 g, External Cal, Certified 0.01 g

Product Overview:
The Ohaus EX423N/E Explorer Precision Balance redefines accuracy and intuitive operation for your laboratory or industrial workspace. Designed with smart technology and advanced user interface, this high-performance precision balance delivers accurate results while streamlining even the most intricate measurement tasks. Its robust design and easy-to-use controls make it an essential tool for professionals seeking consistent, reliable measurements in the lab or on the bench.

Main Advantages:

  • Superior Accuracy: Achieve measurements up to 420 grams with an impressive 0.001-gram readability—essential for precision-critical applications in science, research, and quality control.
  • External Calibration & Certification: External calibration ensures the balance remains accurate over time, while certified 0.01 g performance gives you confidence that results meet rigorous industry standards.
  • User-Friendly Design: A modern, intuitive touchscreen and advanced features simplify daily operation, saving valuable time and minimizing training needs for all users.

Why This Product is Essential:
Precision is paramount in laboratory measurements, and even the smallest errors can compromise your results. Investing in the Ohaus EX423N/E Explorer Precision Balance means faster, more reliable analyses and compliance with industry standards. Its advanced functionality and certified accuracy ensure that you maintain high-quality results, making it the ideal choice for laboratory professionals who refuse to compromise on precision or reliability.

Specifications and Guides:

  • Features:
    • Capacity: 420 g with ultra-fine 0.001 g readability
    • External calibration for ongoing accuracy
    • Certified to 0.01 g for regulated environments
    • Responsive, easy-to-read color touchscreen display
    • Smart operational modes to support complex weighing tasks
  • Manuals: Comprehensive user manual and quick start guide included for seamless setup and operation.
  • Guides: Step-by-step calibration guide and maintenance instructions provided for ongoing top-tier performance.
  • Specifications:
    • Capacity: 420 grams
    • Readability: 0.001 g (precision)
      Certified at 0.01 g accuracy level
    • Calibration: External
    • Display: Color touchscreen interface
    • Category: Balances & Scales / Laboratory Equipment

Upgrade your laboratory’s measurement capabilities with the Ohaus EX423N/E Explorer Precision Balance—precision, durability, and simplicity, all in one intelligent instrument.

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.

Let customers speak for us

from 131 reviews
Pepetools IronBrush - Pneumatic Engraving Tool
HIGHLY RECOMMENDED

Amazing customer service, guidance, and products! Bought two scales from them - the scales were awesome and the customer service - simply stellar. HIGHLY RECOMMENDED!!!!!!!

Laura Facusse
Pepetools IronBrush - Pneumatic Engraving Tool
Excellent Professional Scale - Very Satisfied

Fast shipping, item is top notch. I've used Ohaus scales for years professionally and love them. This is not a kitchen scale. It's Legal For Trade and designed for accuracy beyond what would ever be needed in a casual setting. Also important... weighing best practice: You cannot use scales such as this in rooms with moving air (fan, ceiling fan, lots of nearby motion). The scale picks that up as weight. That's not an item defect.

Aerosynth929
Machine Horizon
Nice goods

Very good and precise product.

ken
Machine Horizon
This scale delivers

Easy to set up and useSturdy and accurateGreat value

SAZ
Machine Horizon
Accurate scale. Fast shipping for a legal for trade scale good seller

Thank you for the fast shipping. Can always count on them to deliver fast. My legal for trade scale got fried so I needed to get a new one for my gold buying business immediately and this seller and Amazon delivered. Thank you

Dadbeh J
Machine Horizon
It’s by Pepe—what could be better!

I have the round disk cutter by Peoe and I had to have this one. Iymts wonderful and cuts clean as can be. Won’t be disappointed! Honest.

Carol G
Machine Horizon
Flashforge Guider 3 Ultra 3D Printer
Worth the money

Another great product from Pepe tools! So far I have never gone wrong with any of Pepe tools, they are very well made and function great as well

Lana
Flashforge Guider 3 Ultra 3D Printer
Flashforge Guider 3 Ultra 3D Printer
Absolutely worth the cost

I love cheaper tools, but one thing to not skimp on is a disc cutter. The cheap ones don't cut cleanly, so you have to spend a lot of time finishing them to buff out marring, or just discard failed attempts because it won't cut cleanly. You also spend so long cutting your fingers up trying to push the die out of the cutter! But nice disc cutters like Pepe Tools- so worth it. I use it so much more than I thought I would, and it clamps down so it holds the metal tight and cuts effortlessly each time.Don't waste your time or money on the cheap ones, it's just not worth it. Get a quality Pepe cutter and you only have to buy it once! Totally worth it.

Jennalee Cook
Flashforge Guider 3 Ultra 3D Printer
Best tool and quality

This is my second disc cutter as I purchased directly from Pepetools a circle cutter. The company is very personable and appreciates the business. Personal thank yous. I am impressed with the quality and ease of use. I am punching my ovals and circles on a 20 ton press. Super fast and easy. I highly recommend this item and also be sure you use their lubricant to keep your cutters in good shape.

Teresa Clark-Massey
Machine Horizon
Excellent product

Does a great job.Don't be put off if one or two of the dies need a little tweeking.Sometimes they don't fit perfectly, but all you to do is sand the insideof the hole, not the actual die.

mike
Machine Horizon

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