Explorer EX1103 Precision Scale from Ohaus

Readability (mg) 1
Capacity (g) 1100
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

With a plethora of options available when purchasing a 1.00mg readability Precision Scale, Lab.Equipment can make things a lot easier for you! Learn how the Ohaus EX1103 suits your needs. If it does not make your cut, read about our review, FAQ, and comparison of the EX1103 to other Precision Scales below to get the right unit for your protocols.

Since Lab.Equipment offers 185 Precision Scales from all 8 Precision Scale manufacturers such as Ohaus, this is the only site you will find real descriptions thoroughly written for you, showing apples-to-apples comparisons of analytical balance performance. Unlike every other single distributor pushing a catalog in front of your face stuffed with the exact same buzz words, jargons, and propriety terms each manufacturer has “made up” to baffle us diligent lab staffs, we filter out the unnecessary for you. Let us help you save valuable time and ensure you buy the appropriate Precision Scale for your needs whether it is with this Ohaus EX1103 or not.

How accurate and sensitive is the Ohaus EX1103 Precision Scale against other 1.00mg readability balances available?

EX1103 Readability

With a readability of 1.00mg, the EX1103 is designed to handle most simple weighing tasks within your lab. The EX1103 is part of the Ohaus Explorer series best for applications including laboratory testing and chemical analysis.

How precise is the EX1103 Precision Scale in comparison with other 1.00mg readability balances?

EX1103 Repeatability

The EX1103 offers 1.0mg repeatability. Often presented as standard deviation and critical to consistently producing the same results when the same weight is placed on the lab balance many times, repeatability is one factor that can show accuracy and validity.

What is the response time of the EX1103 Precision Scale against other 1.00mg readability balances?

EX1103 Stabilization Time

The time that the EX1103 balance takes to stabilize from the time you put your sample on it and displays results is 1.0 second.

Interested in requesting a PDF quote for the Ohaus EX1103 Precision Scale?

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How do you calibrate the EX1103?

Prevent notable changes when it comes to measuring results. Easily calibrate the Ohaus EX1103 thanks to its intuitive Internal Calibration.

What size of samples can I weigh on an EX1103 with a 1.00mg readability range?

EX1103 Pan Size

With a 130mm maximum diameter pan size

Weighing Capacity

Offering a weighing capacity of 1,100g, the EX1103 is capable of working with fairly larger samples if compared with other models.

Other notable features of the Ohaus EX1103 Precision Scale

EX1103 Display ScreenRecord measurements without the need to have the EX1103 wired to a computer through its responsive Touch display.Accreditations of the Ohaus EX1103 Precision Scale

The EX1103 is compliant to ISO, GLP, GMP regulations.

Frequently Asked Questions for the EX1103 Precision Scale:

Will the EX1103 connect to your printer?

Since the EX1103 does have a USB cable port, you can attach it to a printer. If you already have an RS232 printer, it will also work on the included RS232 port of the EX1103.

Can I connect the EX1103 to my lab's network?

The EX1103 does not have a built in Wi-Fi. But the EX1103 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 EX1103 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): 1100
[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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