Scout STX421 Portable Balance from Ohaus

Ohaus 30253012
Readability (mg) 100
Capacity (g) 420
Stabilization Time (sec) 1
Repeatability (mg) 100
Pan Size (mm) 120
Internal Calibration No
RS-232 Yes
Bluetooth Yes
PS2 No
WiFi No
Ethernet Yes
Display Touch
Mobile App No
Weight (kg) 1.6
Width DIM (mm) 300
Depth DIM (mm) 250
Height DIM (mm) 129

With a wide selection of options available when purchasing a 100mg readability precision scale, Lab.Equipment is here to assist you in a hassle-free unit selection. Discover if the Ohaus Scout STX421 Portable Balance suits your lab processes and operations by going through our FAQs, reviews, or conveniently compare the Ohaus Scout STX421 Portable Balance with other precision scales.

Lab.Equipment provides 130 precision scales from Ohaus, a well-recognized lab equipment manufacturer in the industry today. Lab.Equipment is the only site you will find true descriptions thoroughly written for you, providing apples-to-apples comparisons of portable balance performance. Not like other single distributor pushing a brochure in front of your face showing the exact same buzz words, jargons, and propriety lingoes each manufacturer has “made up” to baffle us dedicated lab staffs, we filter out the unnecessary for you. We can help you save valuable time and purchase the most fit precision scale for your requirements.

How accurate and sensitive is the Ohaus Scout STX421 Portable Balance compared to other 100mg readability balances available?

With a readability of 100mg, the Ohaus STX421 is capable of handling most simple weighing tasks within your lab. The Ohaus STX421 is part of the Ohaus Scout STX series recommended for applications including laboratory testing and chemical analysis.

How precise is the Ohaus Scout STX421 Portable Balance against other 100mg readability balances?

The Ohaus STX421 offers 100mg repeatability. Frequently expressed as standard deviation and important to persistently producing the same results when the same weight is put on the lab balance multiple times, repeatability is one factor that can prove accuracy and validity.

What is the response time of the Ohaus Scout STX421 Portable Balance contrary to other 100mg readability balances?

The time that the Ohaus STX421 balance takes to stabilize from the time you put your sample on it and displays results is 1.0 seconds.

Are you looking for a PDF quote for the Ohaus Scout STX421 Portable Balance?

We promise not to waste your time with pesky and high pressure sales representatives calling you. All you have to do is easily fill out the "Instant Quote" tool above and we will email the quote straight to your inbox in less than a minute.

What size of samples can I weigh on an Ohaus Scout STX421 Portable Balance with a 100mg readability range?

The Ohaus STX421 offers a weighing capacity of 420g with a 120mm diameter pan size, capable of handling fairly larger samples compared to other models.

Any other features or functionalities that would encourage me to get the Ohaus Scout STX421 Portable Balance?

Featuring an intuitive Touch display and an RS232 interface, easily record measurements without the need to have the Ohaus STX421 wired to a computer. The Ohaus STX421 is compliant to ISO, GLP and GMP regulations.

Can I connect a printer to the Ohaus Scout STX421 Portable Balance?

Since the Ohaus STX421 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 Ohaus STX421.

Will the Ohaus Scout STX421 Portable Balance connect to your lab's network?

The Ohaus STX421 does not have a built in Wi-Fi, but you can connect it to your wired LAN since it has an ethernet port.

Ideal for laboratory & industrial applications, the OHAUS Scout features an easy to navigate color touchscreen display & a slim design which allows stackable storage. Geared for superior performance with fast stabilization time and high resolution weighing results, these portable balances set a new standard for a broad range of weighing applications. Features also include superior overload protection and expanded connectivity options.


Weighing, Parts Counting, Percent Weighing, Check Weighing, Animal/Dynamic Weighing, Totalization, Density Determination, Display Hold, Mole Weighing


4.3" (109mm) full-color VGA graphic touchscreen display with user-controlled brightness


AC Adapter (Included) or 4 AA Batteries (Not included)


RS232, USB Host, USB Device, Ethernet or Bluetooth® (available as an accessory)


ABS housing, stainless steel pan, ABS draftshield (1mg models only), weigh below hook, transportation lock, manual calibration lock switch, security slot, adjustable leveling feet, illuminated up-front level indicator

Design Features

Stability indicator, stackable design with included storage cover (excluding 1mg models), mechanical and software overload/underload protection, low battery indicator, auto shut-off, auto tare, span calibration mass included on models up to 620g capacity

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Depth DIM (mm): 250
Ethernet: Yes
Height DIM (mm): 129
Mobile App: No
Weight (kg): 1.6
Width DIM (mm): 300
[Lab Balance] Bluetooth: Yes
[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: No
[Lab Balance] PS2: No
[Lab Balance] Pan Size (mm): 120
[Lab Balance] RS-232: Yes
[Lab Balance] Readability (mg): 100
[Lab Balance] Repeatability (mg): 100
[Lab Balance] Stabilization Time (sec): 1
[Lab Balance] USB: Yes
[Lab Balance] WiFi: No

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