Scout STX421 Portable Balance from Ohaus

Ohaus 30253012

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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

Established Weighing Accuracy Based from Superior Sensitivity

Receive big value for your budget while not compromising weighing capability through the Scout STX421 Portable Balance from Ohaus. Built with a 100 mg readability, the Ohaus STX421 prompts accurate sample weighing whether working on industrial, manufacturing, or laboratory applications. Rolling out close weighing results, this lab scale assures uncomplicated weighing best for manufacturing operations, quality control requirements, routinary laboratory tasks, and more. Need other precision balance alternatives with the same 100 mg resolution? Go for the Scout STX6201 Portable Balance from Ohaus. But, for higher resolution needs, users may want to check out the Scout STX422 Portable Balance from Ohaus instead.

Complete Reproducibility for Dependable Mass Weighing

Thanks to the Ohaus STX421, having multiple users controlling the precision scale is not a problem when it comes to getting reproducible results. Providing a 100 mg repeatability, this Ohaus top loading balance brings out consistent sample weighing values as long as the same conditions are followed, making it perfect for routinary weighing applications. Given that you get precise measurement values, you can spend more time analyzing your results instead of re-recording data each time. Still undecided and looking for something having a higher repeatability value? Go for the Scout STX422 Portable Balance from Ohaus instead.

Multi-Purpose Weighing Solutions At Any Time or Place

Make sure you review the sample loads you will be weighing now as well as in the future prior to purchasing a lab balance. Your samples should always be within a model's capacity range and won't spill over its weighing pan. With the Ohaus STX421, you can carry solid or liquid samples, just as long as these do not go over 420 g and its 120 mm weighing pan. Low-cost compared to self-calibrating units, the Ohaus STX421 verifies accuracy and precision with its external calibration feat that allows manual re-calibration by using endorsed calibration weights. This makes the unit favorable for labs on a tighter budget and have the capacity to spend additional time when it comes to doing constant calibration. Go for the Scout STX1202 Portable Balance from Ohaus if you are studying heavy samples. But if you need something similar to this Scout STX unit but of a different model or from another well-trusted manufacturer, get the Scout STX422 Portable Balance from Ohaus instead

Instrumental Features to Take Note Off for Easier Weighing

ISO compliant icon ISO Compliant

The lab scale stands by ISO standards, following rigorous measures when it comes to routine testing, preventative maintenance, calibration, and more as well as its print guidelines.

GLP Compliant icon GLP Compliant

Get GLP-compliant reports best for record keeping and quality purposes from this Ohaus precision scale. Already displaying date, time, balance ID, and other relevant data, these reports help review, without effort, task history and cover your case study checkpoints.

GMP Compliant icon GMP Compliant

Generating reports compliant to GMP, the Scout STX421 Portable Balance from Ohaus prints out reports with weighing time, results, and operator deatils included. This makes it a recommended laboratory scale for testing and quality control on manufactured goods, foods, drugs, and raw materials.

Touchscreen icon Touchscreen Display

Smoothly adjust weighing functions, modes, and other parameter settings to meet demands of your applications with the Ohaus STX421 since it is complete with a user-friendly and intuitive touchscreen display for vivid data readout.

All-in Connectivity Solutions

An advice when procuring a precision scale is to check the connectivity solutions it can provide. Work better by correctly transferring data using this Ohaus STX421's an ethernet port for your wired connections and bluetooth enabled capabilities.

Operational Excellence Spelled Out

Quicker weighing results for boosted laboratory weighing output can be achieved with the Scout STX421 Portable Balance from Ohaus as it produces weighing values within 1.0 second. Thanks to its RS-232 and USB ports available, users can quickly carry over weighing data and results to different computers, devices, and printers. You free up more time that can then be re-allocated to other higher priority tasks as this lab scale already delivers reports compliant to GLP, ISO, and GMP requirements, with all relevant details included.

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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