Pioneer PX523 Precision Scale from Ohaus

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

With a lot of brands and options available when selecting a 1 mg readability Precision Scale, Lab.Equipment knows how time-consuming it can be when it comes to buying the perfect unit for your applications. We are here to make your unit selection process easier and smoother. See if the Ohaus Pioneer PX523 Precision Scale can meet your demands with complete product data displayed below. If not, easily go over our customer reviews, FAQs, or compare the Ohaus PX523 from other Precision Scales available to find your ideal unit.

Lab.Equipment provides 18 Precision Scales from Ohaus, one of today's most relied on lab equipment manufacturers. Trust us to only provide reliable product information and descriptions. Unlike other distributors who only stuff you with incomplete product brochures, we cut to the chase and simplify everything for you.Let us make sure you get the most-suitable Precision Scale for your lab applications without sacrificing your valuable budget and time.

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

With a readability of 1mg, the Ohaus PX523 can handle most simple weighing tasks within your laboratory.

How precise is the Ohaus Pioneer PX523 Precision Scale in comparison with other 1mg readability balances?

With a repeatability of 1mg, the Ohaus PX523 makes way for accuracy, validity, and reproducibility of results.

What is the response time of the Ohaus Pioneer PX523 Precision Scale in comparison with other 1mg readability balances?

The Ohaus PX523 has a stabilization time of 2.0 seconds.

Want to request a PDF quote for the Ohaus Pioneer PX523 Precision Scale?

Easily fill out the "Instant Quote" tool above and we'll quickly email the quote straight to your inbox. You'll never have to talk to high-pressure and pesky sales representatives. That's our guarantee.

How do you calibrate the Ohaus Pioneer PX523 Precision Scale?

Avoid notable variations when it comes to measuring results. Conveniently calibrate the Ohaus PX523 thanks to its Internal calibration.

What size of samples can I weigh on an Ohaus Pioneer PX523 Precision Scale with a 1mg readability range?

Ohaus PX523 Pan Size

The Ohaus PX523 comes with a 120 mm maximum diameter pan size.

Weighing Capacity

Work on samples with total weight not over 520 g.

Other existing features of the Ohaus Pioneer PX523 Precision Scale?

Ohaus PX523 Display Screen

The Ohaus PX523 is designed with an LCD display for clear and excellent data readings.

Accreditations of the Ohaus Pioneer PX523 Precision Scale

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

Frequently Asked Questions for the Ohaus Pioneer PX523 Precision Scale:

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

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

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

We are sorry, but the Ohaus Pioneer PX523 Precision Scale doesn't have a WiFi and ethernet ports. You cannot connect it to your network.

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

Feel free to chat with us on 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: Yes
[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

  • Customer Reviews on Pioneer PX523 Precision Scale from Ohaus
    Head Scientist

    Highly satisfied with PX 523. It's stable and reliable. My measurements do not fluctuate. Very smooth automatic calibration.

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