Pioneer PX Series, OHAUS Precision Balance

As of: Thursday, September 10, 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

WARNING: Cancer and Reproductive Harm California Proposition 65

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

Part #	Description	List Price
191853	Toploader, 160g x 0.001g, 120V adapter	List Price: $1,478.00
191854	Toploader, 320g x 0.001g, 120V adapter	List Price: $1,721.00

Part #	Description	List Price
67413	Ohaus balances	List Price: $836.00
191875	Device for Pioneer PX	List Price: $469.00
102799	Forceps, 2.75 Inch, 70mm	List Price: $57.00
102800	Forceps, 3.5 Inches, (89mm)	List Price: $57.00
33454	4x3.5-Ohaus 4590-30	List Price: $86.00
97250	12 x 6 x 2.75 in	List Price: $158.00
100292		Consult
156234	Universal 46001724 Navigator XT, PA, PX, EX Series Requires 156235 Plus SET or 166574 US Plug Only Sold Separately	List Price: $99.00
156235	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	List Price: $50.00
191876	Display PAD7, For Pioneer PX	List Price: $152.00

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