Pioneer PX Series, OHAUS Toploader Balance

As of: Friday, July 11, 2025

Standard Features

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
Underweigh hook

A Balance with Premiere Precision

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

Pioneer PX Series, OHAUS Toploader 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:
160 to 520 g: Approx. 2 seconds
1,600 to 4,200 g: Approx. 1 second

Calibration Weight:
PX1602/E: 1,000/1,500 g
PX2202/E: 1,000/2,000 g
PX3202/E: 2,000/3,000 g
PX4202/E: 2,000/4,000 g
PX2202/E: 1,000/2,000 g
PX4201/E: 2,000/4,000 g

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

Est. Weight:
160 to 520 g: 10 lb (4.5 kg)
1,600 to 4,200 g: 7.7 lb (3.5 kg)

Warranty:
Two-year limited

Return Policy:
OHAUS standard policy - restock fee may apply

Pioneer PX Series, OHAUS Toploader Models

Model	Capacity	Readability	Repeatability	Linearity	Pan Size	Dimensions	Part #
PX1602/E	1,600 g	0.01 g	10 mg	20 mg	7.1 in (180 mm)	8.2 × 12.6 × 3.9 in (209 × 321 × 98 mm)	191856
PX2202/E	2,200 g	0.01 g	10 mg	20 mg	7.1 in (180 mm)	8.2 × 12.6 × 3.9 in (209 × 321 × 98 mm)	191857
PX3202/E	3,200 g	0.01 g	10 mg	20 mg	7.1 in (180 mm)	8.2 × 12.6 × 3.9 in (209 × 321 × 98 mm)	191858
PX4202/E	4,200 g	0.01 g	10 mg	20 mg	7.1 in (180 mm)	8.2 × 12.6 × 3.9 in (209 × 321 × 98 mm)	191859
PX2201/E	2,200 g	0.1 g	100 mg	200 mg	7.1 in (180 mm)	8.2 × 12.6 × 3.9 in (209 × 321 × 98 mm)	191860
PX4201/E	4,200 g	0.1 g	100 mg	200 mg	7.1 in (180 mm)	8.2 × 12.6 × 3.9 in (209 × 321 × 98 mm)	191861

Parts

Part #	Description

191856	Balance,Ohaus PX1602/E Toploader, 1600g x 0.01g, 120V adapter
191857	Balance,Ohaus PX2202/E Toploader, 2200g x 0.01g, 120V adapter
191858	Balance,Ohaus PX3202/E Toploader, 3200g x 0.01g, 120V adapter
191859	Balance,Ohaus PX4202/E Toploader, 4200g x 0.01g, 120V adapter
191860	Balance,Ohaus PX2201/E Toploader, 2200g x 0.1g, 120V adapter
191861	Balance, Ohaus PX4201/E Toploader, 4200g x 0.1g, 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