Explorer EX4202 Precision Scale from Ohaus

Readability (mg) 10
Capacity (g) 4200
Stabilization Time (sec) 1
Repeatability (mg) 10
Pan Size (mm) 200
Internal Calibration Yes
RS-232 Yes
Bluetooth No
PS2 No
WiFi No
Ethernet Yes
Display Touch
Mobile App No

With a lot of choices available when buying a 10mg readability Precision Scale, Lab.Equipment is here to simplify your unit selection process! The Ohaus Explorer EX4202 might be the ideal solution for improving your lab operations and protocols, if not, you can surely find the best unit for your protocols through our FAQ, review, and comparison of the EX4202 to other Precision Scales so keep on reading below.

Carrying 185 Precision Scales from all 8 Precision Scale manufacturers like Ohaus, Lab.Equipment is the only site you will find real descriptions meticulously written for you, handing out apples-to-apples comparisons of analytical balance performance. Unlike every other single distributor pushing a product brochure to your face showing the exact same buzz words, terminologies, and propriety terms each manufacturer has “made up” to baffle us hard working lab staffs, we filter out the unnecessary for you. Let us assist you in saving valuable time and ensuring you get the best Precision Scale for your needs whether it is with this Ohaus EX4202 or not.

How accurate and sensitive is the Ohaus EX4202 Precision Scale in comparison with other 10mg readability balances available?

EX4202 Readability

With a readability of 10mg, the EX4202 is designed to handle most simple weighing tasks within your lab. The EX4202 is part of the Ohaus Explorer series recommended for applications like laboratory testing and chemical analysis.

How precise is the EX4202 Precision Scale compared to other 10mg readability balances?

EX4202 Repeatability

The EX4202 offers 10mg repeatability. Often expressed as standard deviation and important to persistently producing the same results when the same weight is placed on the lab balance multiple times, repeatability is one factor that can prove accuracy and validity.

What is the response time of the EX4202 Precision Scale against other 10mg readability balances?

EX4202 Stabilization Time

The time that the EX4202 balance takes to stabilize from the time you put your sample on it and displays results is 1.0 second.

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How do you calibrate the EX4202?

Prevent notable variations when it comes to measuring results. Experience hassle-free calibration of the Ohaus EX4202 thanks to its Internal Calibration.

What size of samples can I weigh on an EX4202 with a 10mg readability range?

EX4202 Pan Size

With a 200mm maximum diameter pan size

Weighing Capacity

With a weighing capacity of 4,200g, the EX4202 can handle comparatively larger samples if compared with other models.

Other notable features of the Ohaus EX4202 Precision Scale

EX4202 Display ScreenBuilt with a responsive Touch display, simply document measurements without the need to have the EX4202 wired to a computer.Accreditations of the Ohaus EX4202 Precision Scale

The EX4202 is compliant to ISO, GLP, GMP regulations.

Frequently Asked Questions for the EX4202 Precision Scale:

Can I connect the EX4202 to a printer?

Since the EX4202 does have a USB connection, you can connect it to a printer. If you already have an RS232 printer, it will also work on the included RS232 port of the EX4202.

Can I connect the EX4202 to my lab's network?

The EX4202 does not have a built in Wi-Fi. But the EX4202 does have a built in Ethernet port so you can connect it over your existing wired network.

Do you have any questions about the Ohaus EX4202 Analytical Balance that we missed answering for you here?

Don't hesitate to ask us via live chat to the right, our Contact Us page, or email help@lab.equipment and we will get back to you as soon as we can with a friendly response.

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

Conducting its first operations in 1907, Ohaus is a leading provider of dependable balances and scales capable of addressing the most complex weighing challenges. Utilizing the latest technologies available, Ohaus delivers intuitive and highly-advanced analytical, precision, and portable balances, as well as a wide range of lab equipment and instruments. Ohaus manufactures the most precise and accurate lab balances catering to the laboratory, industrial, retail, food, and education industries. Headquartered in New Jersey, USA, Ohaus is regarded as an undisputed leader in the laboratory equipment industry with unsurpassed performance in the global market.

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Ethernet: Yes
Mobile App: No
[Lab Balance] Bluetooth: No
[Lab Balance] Capacity (g): 4200
[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): 200
[Lab Balance] RS-232: Yes
[Lab Balance] Readability (mg): 10
[Lab Balance] Repeatability (mg): 10
[Lab Balance] Stabilization Time (sec): 1
[Lab Balance] USB: Yes
[Lab Balance] WiFi: No

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