Pioneer PX523/E Precision Scale from Ohaus

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Readability (mg) 1
Capacity (g) 520
Stabilization Time (sec) 2
Repeatability (mg) 1
Internal Calibration No
RS-232 Yes
Bluetooth No
PS2 No
WiFi No
Ethernet No
Display LCD
Mobile App No
Pan Size Diameter Max (mm) 120

Given multiple brands available when selecting a 1 mg readability Precision Scale, Lab.Equipment is here to make unit selection easier and smoother for you. Discover if the Ohaus Pioneer PX523/E Precision Scale can fit your requirements with comprehensive product data presented below. If you are still looking for another model, easily read our customer reviews, frequently asked questions, or compare the Ohaus PX523/E from other Precision Scales available to find your ideal lab balance.

Lab.Equipment carries 18 Precision Scales from Ohaus, one of the today's most popular lab equipment manufacturers. Trust us to only provide up-to-date product information and descriptions. We are not like other distributors who only confuse you with "made up" terms, we cut through the noise and clutter for you. Let us ensure you get the most-suitable Precision Scale for your lab applications without sacrificing your budget.

Compared to other 1mg readability balances available, how accurate and sensitive is the Ohaus Pioneer PX523/E Precision Scale?

Engineered with a readability of 1mg, the Ohaus PX523/E is capable of handling simple everyday weighing tasks within the lab.

In comparison with other 1mg readability balances, how precise is the Ohaus Pioneer PX523/E Precision Scale?

With a repeatability of 1mg, the Ohaus PX523/E provides reproducible results.

Against other 1 mg readability balances, what is the response time offered by the Ohaus Pioneer PX523/E Precision?

The Ohaus PX523/E takes 2.0 seconds to stabilize from the time sample is placed on the unit.

Are you interested in requesting a PDF quote for the Ohaus Pioneer PX523/E Precision Scale?

By simply filling out the "Instant Quote" tool at the top of the page you will receive your quote copy in less than 30 seconds! We guarantee no phone calls from high-pressure sales representatives!

How do you calibrate the Ohaus Pioneer PX523/E Precision Scale?

The Ohaus PX523/E features an external calibration.

What size of samples can I weigh on an Ohaus PX523/E with a 1mg readability range?

Ohaus PX523/E Pan Size

The Ohaus PX523/E comes with a 120 mm max diameter pan size.

Weighing Capacity

Ensure you are working on samples weighing not more than 520 g.

Other noteworthy features of the Ohaus Pioneer PX523/E Precision Scale?

Ohaus PX523/E Display Screen

Track data and check parameters on the Ohaus PX523/E with its easy-to-use LCD display.

Accreditations of the Ohaus Pioneer PX523/E Precision Scale

The Ohaus PX523/E is compliant to ISO, GMP, and GLP regulations.

Frequently Asked Questions for the Ohaus Pioneer PX523/E Precision Scale:

I connect the Ohaus Pioneer PX523/E Precision Scale to a  printer?

Built with USB and RS-232 ports, the Ohaus PX523/E can be quickly connected to a printer.

Can I connect the Ohaus Pioneer PX523/E Precision Scale to my lab's network?

The Ohaus PX523/E does not have a built in Wi-Fi. Unfortunately the Ohaus PX523/E is also lacking an ethernet port, so you are unable to connect it to your wired LAN as well.

Do you have any questions about the Ohaus Pioneer PX523/E Precision Scale that we missed answering for you here?

Don't hesitate to ask us through the live chat on the right portion of the page, our Contact us page, or email us at and we will get back to you asap with a friendly response.

The Pioneer PX combines essential weighing functionality with competitive performance, offering high accuracy and repeatability for applications in laboratory, industrial and education settings. The PX is affordably priced, and intuitively designed for intelligent operation with a second line display for additional information, and USB and RS232 connectivity for easy communication.


Basic Weighing, Parts Counting, Percent Weighing, Animal Weighing, Density Determination  


Backlit Liquid Crystal Display (LCD); Second line display for additional information or guidance (dot matrix)  


AC adapter (included)  


RS232 and USB device (included); GLP/GMP data output with real-time clock  


Metal base, plastic top housing, removable stainless steel pan, glass draftshield, integrated weigh-below-hook, security bracket, calibration lock and in-use cover  

Design Features

User-selectable environmental filters and brightness settings, auto-tare, auto-dim, user-selectable span calibration points, software lockout and reset menu, userselectable communication settings and data print options, user-definable project and user IDs, software overload/underload indicator, stability indicator, four operating languages  

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Ethernet: No
Mobile App: No
[Lab Balance] Bluetooth: No
[Lab Balance] Capacity (g): 520
[Lab Balance] Display: LCD
[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 Diameter Max (mm): 120
[Lab Balance] RS-232: Yes
[Lab Balance] Readability (mg): 1
[Lab Balance] Repeatability (mg): 1
[Lab Balance] Stabilization Time (sec): 2
[Lab Balance] USB: Yes
[Lab Balance] WiFi: No

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