Pioneer PX Series, OHAUS Precision Balance

As of: Wednesday, September 9, 2026

Standard Features

Easy-to-clean analytical draft shield (select models)
Removable doors for easy cleaning and access
Up-front level bubble for easy reference
Selectable environmental settings
Standard security bracket
RS-232 interface for connecting to printer or PC
Security menu lock
Backlight display
Flexibility of available options
Below balance weighing with underhook

A Balance with Premiere Precision

The Ohaus Pioneer PX Analytical and Precision Series balances are designed for analytical and precision weighing in a variety of laboratory applications.

Pioneer PX Series, OHAUS Precision Specifications

Weighing Units:
Milligram, gram, carat, ounce, troy ounce, grain, pennyweight, momme, taels, tical, tola, baht, mesghal, newton, custom unit

Operating Modes:
Weighing, parts counting, percent, density, determination, dynamic weighing

Power:
120 VAC adapter (220 to 240 VAC adapter by special order), 50/60 Hz

Stabilization Time:
Approx. 4 seconds

Calibration Weight:
PX163/E: 100/150 g
PX323/E: 200/300 g
PX523/E: 200/500 g

Temperature:
Operating:
10 to 30 °C (50 to 86 °F)

Est. Weight:
10 lb (4.5 kg)

Warranty:
Two-year limited

Return Policy:
OHAUS standard policy - restock fee may apply

Pioneer PX Series, OHAUS Precision Models

Model	Capacity	Readability	Repeatability	Linearity	Pan Size	Dimensions	Part #
PX163/E	160 g	0.001 g	1 mg	2 mg	4.72 in (120 mm)	8.2 × 12.6 × 12.2 in (209 × 321 × 309 mm)	191853
PX323/E	320 g	0.001 g	1 mg	2 mg	4.72 in (120 mm)	8.2 × 12.6 × 12.2 in (209 × 321 × 309 mm)	191854
PX523/E	520 g	0.001 g	1 mg	2 mg	4.72 in (120 mm)	8.2 × 12.6 × 12.2 in (209 × 321 × 309 mm)	191855

Parts

Part #	Description

191853	Balance,Ohaus PX163/E Toploader, 160g x 0.001g, 120V adapter
191854	Balance,Ohaus PX323/E Toploader, 320g x 0.001g, 120V adapter

Options

Part #	Description

67413	Software,TAL WinWedgeV1.2 Ohaus balances
191875	Balance OPT,Security Device for Pioneer PX
102799	Accessory,Ohaus, Pioneer Forceps, 2.75 Inch, 70mm
102800	Accessory,Ohaus, Pioneer Forceps, 3.5 Inches, (89mm)
33454	Scoop,Black Aluminum 4x3.5-Ohaus 4590-30
97250	Scoop,Stainless Steel 12 x 6 x 2.75 in
156234	Adapter,AC Ohaus 120-240V Universal 46001724 Navigator XT, PA, PX, EX Series Requires 156235 Plus SET or 166574 US Plug Only Sold Separately
156235	Plug Set,Intl Ohaus Kit PN 46001780 Includes 46001766 US Plug - Valor 2000, PA, PX, EX, Defender Series (Kit includes plugs for EU, AU, UK) Add ASAP for US plug
191876	Balance OPT, Auxiliary Display PAD7, For Pioneer PX
191877	Balance OPT, Density Kit For Pioneer PX and Explorer EX
191878	Balance OPT, Sinker Glass For Density Determination Kit For Pioneer PX
191879	Balance OPT, USB Cable For Pioneer PX
191881	Balance OPT, In-Use Cover For Pioneer PX