Explorer EX423N Precision Scale from Ohaus

Ohaus 83021344
Readability (mg) 1
Capacity (g) 420
Stabilization Time (sec) 1
Repeatability (mg) 1
Pan Size (mm) 130
Internal Calibration Yes
RS-232 Yes
Bluetooth No
PS2 No
WiFi No
Ethernet Yes
Display Touch
Mobile App No
Weight (kg) 6.9
Width DIM (mm) 230
Depth DIM (mm) 393
Height DIM (mm) 350

With various choices available when buying a 1mg readability Precision Scale, Lab.Equipment is here to make unit selection easier for you! The Ohaus Explorer EX423N might be perfect for your needs, if not, you will surely discover the perfect lab scale unit for your protocols by reading our review, FAQ, and comparison of the EX423N to other Precision Scales below so keep on reading, you are almost there.

Since Lab.Equipment carries 130 Precision Scales from all Precision Scale manufacturers such as Ohaus. This is the only site you will find real descriptions meticulously written for you, showing apple-to-apple comparisons of precision scale performance. Not like other single distributor pushing a catalog to your face showing the exact same buzz words, jargons, and propriety lingoes each manufacturer has “made up” to baffle us persevering lab staffs, we cut through the noise for you. Let us help you save precious time and ensure you acquire the appropriate Precision Scale for your needs whether it is with this Ohaus Explorer EX423N or not.

How accurate and sensitive is the Ohaus Explorer EX423N Precision Scale in comparison with other 1mg readability scales available?

With a readability of 1mg, the EX423N can handle most simple weighing tasks within your lab. The EX423N is part of the Ohaus Explorer series best for applications such as laboratory testing and chemical analysis.

How precise is the EX423N Precision Scale against other 1mg readability scales?

The EX423N offers 1mg repeatability. Typically expressed as standard deviation and important to consistently producing the same results when the same weight is put on the lab scale several times, repeatability is one factor that can confirm accuracy and validity.

What is the response time of the EX423N Precision Scale contrary to other 1mg readability scales?

The time that the EX423N balance takes to stabilize from the time you put your sample on it and displays results is 1 second.

Looking for a PDF quote for the Ohaus Explorer EX423N Precision Scale?

Easily use the Instant Quote tool above and you will get a quote emailed to your inbox within 30 seconds! We promise no high pressure sales representatives calling you.

How do you calibrate the EX423N?

Avoid notable changes when it comes to measuring results. Easily calibrate the Ohaus Explorer thanks to its intuitive Internal Calibration.

What size of samples can I weigh on a EX423N with a 1mg readability range?

With a 130mm maximum diameter pan size. The EX423N brings a weighing capacity of 420g capable of working with relatively larger samples if compared with other models.

Other noteworthy features of the Ohaus EX423N Precision Scale.

The EX423N comes with an intuitive 5.7" (145 mm) Full-color VGA graphic touchscreen display with user-controlled brightness for excellent data readout. With RS232 interface and a USB interface for better data collection and management. It has also a built in Ethernet port so you can connect it over your existing wired network. The EX423N is compliant to ISO, GLP, GMP regulations.

The OHAUS Explorer Series of precision balances combine modern features and design elements to offer unmatched functionality in a line of high-performance balances unlike any other on the market. These smart and intuitive balances simplify even the most complex laboratory measurements.


Weighing, Parts Counting, Percent Weighing, Checkweighing, Animal/Dynamic Weighing, Filling, Totalization/Statistics, Formulation, Differential Weighing, Density Determination, Peak Hold, Ingredient Costing, Pipette Adjustment, SQC, Statistics


5.7" (145 mm) Full-color VGA graphic touchscreen display with user-controlled brightness


AC adapter (included)


RS232 and USB (included) or second RS232/Ethernet (accessories sold separately) . GLP/GMP data output with real-time clock.


Modular design, metal base, ABS top housing, stainless steel pan, glass draftshield with top mounted side doors and flip/sliding top door (1mg models only), illuminated up-front level indicator, integral weigh below hook, security bracket, calibration lock, four touchless sensors, full housing in-use cover

Design Features

Selectable environmental filters, auto tare, user selectable span calibration points, software lockout and reset menu, user selectable communication settings and data print options, user definable project and user IDs, auto standby, up to 14 operating languages  

The product descriptions and attribute groupings and assignments on this page are protected by copyright all rights reserved. If copied you will be persecuted against to the full extent of the law including infringement charges up to $10,000 USD per page of content.

Depth DIM (mm): 393
Ethernet: Yes
Height DIM (mm): 350
Mobile App: No
Weight (kg): 6.9
Width DIM (mm): 230
[Lab Balance] Bluetooth: No
[Lab Balance] Capacity (g): 420
[Lab Balance] Display: Touch
[Lab Balance] GCP: No
[Lab Balance] GLP: Yes
[Lab Balance] GMP: Yes
[Lab Balance] ISO: Yes
[Lab Balance] Internal Calibration: Yes
[Lab Balance] PS2: No
[Lab Balance] Pan Size (mm): 130
[Lab Balance] RS-232: Yes
[Lab Balance] Readability (mg): 1
[Lab Balance] Repeatability (mg): 1
[Lab Balance] Stabilization Time (sec): 1
[Lab Balance] USB: Yes
[Lab Balance] WiFi: No

Back To Top
We are fully compliant with the GDPR laws. We promise to safeguard your data and protect your privacy rights.