Explorer EX423N Precision Scale from Ohaus

Ohaus 83021344

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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

Unmatched Weighing Accuracy Backed by Outstanding Sensitivity

Gain superb value for your laboratory budget while not compromising weighing performance with the Explorer EX423N Precision Scale from Ohaus. Designed with a 1 mg readability, the Ohaus EX423N leads to accurate sample weighing whether doing manufacturing, laboratory, or industrial applications. Producing reliable weighing results, this lab scale assures uncomplicated weighing for manufacturing procedures, routinary lab tasks, quality control measures, and more. Finding other lab scale alternatives with a similar 1 mg sensitivity? Opt for the Explorer EX223 Precision Scale from Ohaus.

Highly Precise Measurements for Credible Sample Weighing

Thanks to the Ohaus EX423N, having multi-users managing the precision scale is never an issue when it comes to acquiring reproducible results. Having a 1 mg repeatability, this Ohaus laboratory scale brings out almost the same weighing values presuming that the same conditions are implemented so it is suitable for day-to-day weighing applications. Because you achieve high precision measurement values, you have more time to analyze data and results instead of just allocating it for transcription or re-recording of data each time. Still undecided and thinking of something with a higher repeatability value? Opt for the PS 8100.3Y Precision Balance from Radwag instead.

Ultimate Weighing Solutions for Lab and Field

Assessing how many samples you'll be working on in the future is one factor to consider before buying a top loading scale. You must establish that the model you are acquiring can cover for your anticipated samples. With the Explorer EX423N Precision Scale from Ohaus, you can accommodate up to 420 g of substances through its 130 mm weighing pan. Precision and accuracy is fortified by the Ohaus EX423N as it features internal calibration, therefore it can recalibrate anytime and anywhere. Do you prefer a higher capacity model with the same 1 mg readability? You can check the Explorer EX1103 Precision Scale from Ohaus or the PS 1000.3Y Precision Balance from Radwag instead. A different model but with the same capacity as this top loading balance that you can choose the Explorer EX423 Precision Scale from Ohaus instead.

Key Features to Take Into Account

Internal Calibration icon Internal Calibration

Having internal calibration in its list of features, this model grants hassle-free self-calibration anytime desired. Since this Ohaus Explorer top loading scale does not count on manual addition of test weights when it comes to calibration, accuracy is always assured.

ISO compliant icon ISO Compliant

A more effective workflow is right at your hands with this lab scale that follows a high quality risk-based management system and prints out reports compliant to ISO.

GLP Compliant icon GLP Compliant

Your experiment'se credibility is strengthened with this Ohaus precision model because it renders reports compliant to GLP. Formatted to include not just date, balance ID, and time but also other relevant data to effortlessly review tasks history, this unit is best for quality control purposes, traceability measures, and non-clinical data submissions.

GMP Compliant icon GMP Compliant

Present reports that include weighing time, results, and operator deatils plus more with this Ohaus 83021344 precision balance to meet GMP standards. This model is best for use in quality assurance, manufacturing,and testing of products including food and drugs.

Touchscreen icon Touchscreen Display

Enjoy clear and vivid presentation of weighing results from the Ohaus EX423N since it is complete with a bright, high contrast, and intuitive touchscreen display. Smoothly set-up parameters or shift from basic functions to advanced weighing modes with just a few taps and clicks on the touch screen.

Multi-Device Connectivity for Streamlined Communication

Assessing available connectivity options before getting a precision balance is a vital thing to do. These solutions can speed up your collection and conversion of data into tables, graphs, charts, or other formats, reducing your time minimizing human-related errors and in return stepping up your research process. With the Ohaus EX423N, you get to communicate with personal computers and laptops that works with wired connections through its ethernet port.

Spelled Out Operational Efficiency

Get results fast from the Explorer EX423N Precision Scale from Ohaus that steadies and returns values within 1.0 second. Complete with RS-232 and USB ports, this Ohaus unit can transfer weighing data to devices, computers, and printers. Moreover, no need to spend time in changing format of reports because this Ohaus balance warrants conformance to GMP, GLP, and ISO guidelines so you can re-allocate time to tasks with higher priority.

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  

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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

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