Site Information

 Loading... Please wait...
  • Toll free: (866) 326-5412
  • My Account
  • Gift Certificates

CYBER SAVINGS: NIOSH-Approved N99 Masks for less than 60 cents! Get them now!

  • Photograph of Ohaus Pioneer® Semi-Micro Balance,  right facing.
  • Close-up photograph of Static Removal (ESR) Bar in use on Ohaus Pioneer® Semi-Micro Balance.
  • Close-up photograph of Static Removal (ESR) Bar  on Ohaus Pioneer® Semi-Micro Balance.

Ohaus Pioneer® Semi-Micro Balances


Normal Availability: 2-3 business days

Product Description

These Ohaus Pioneer® Semi-Micro Balances offer high accuracy and repeatability for essential weighing in laboratory, industrial and education settings that require 0.01 mg readability. The PX85 model has a capacity of 82 g with a readability of 0.01 mg. The PX225D model has a capacity of 82 g with a readability of 0.01 mg and a capacity of 220 g with a readability of 0.1 mg. These balances come with Ohaus’ automatic internal InCal™ calibration system and with a glass draftshield that features a static removal (ESR) bar for convenient grounding.

Typical application modes include basic weighing, parts counting, percent weighing, animal weighing, formulation and density determination. Weigh displays include Gram, Milligrams, Kilogram, Newton, Pound, Ounce, Ounce Troy, Pennyweight, Grain and Carat.

Pioneer® balances feature a metal base, plastic top housing, a removable 3.15” / 80 mm diameter stainless steel pan, an in-use cover, security bracket, calibration lock and are powered with an AC adaptor (included). Each unit features backlit liquid crystal display (LCD) with a second line display for additional information or guidance. Communication is via RS232 and USB Device (included); GLP/GMP data output with real-time clock.

Specifications PX85 PX225D
Capacity x Readability 82 g x 0.01 mg 82 g x 0.01 mg / 220 g x 0.1 mg
Repeatability (STDEV) 0.00003 g 0.00003 / 00001g

Assembled Dimensions: 12.2” h x 8.2” w x 12.6” d (309 x 209 x 321 mm).  Net Weight 10 lb (4.5 kg).

Literature available: Ohaus Pioneer® Balances Summary SheetOhaus Balance Selector Guide

Accessories: A variety of accessories and replacement parts are available. These include an external static ionizer (item # H-30130302), an anti-theft device (item # H-80850043), a portable dot-matrix printer (item # H-30064203), a portable thermal printer (item # H-0251992), ST103 Cable (item # H-80252581), AD7-RS Auxiliary Display (item # H-AD7-RS), Winwedge Software (item # H-80850080), dust cover (item # H-30093334), In-Use Cover (item # H-30372546), RS232 to CBM910 cable (item # H-80252571), density kit (item # H-80253384), sinker glass for density determination (item # H-83034024), 25Pin-9 Pin, PC-TxxP Cable (item # H-80500524), RS232 IBM 9P Cable (item # H-80500525) and A to B USB cable (item # H-83021085).


WARNING: OHAUS products can expose you to chemicals including the chemicals listed in this Table, which are known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information go to

These and other Proposition 65 chemicals may be present only in residual amounts, or contained internally in OHAUS equipment, or encapsulated in another material where exposure is unlikely or negligible. This warning is being provided out of an abundance of caution.

Product Reviews

Write Review

This product hasn't received any reviews yet. Be the first to review this product!

Find Similar Products by Category