Explorer® Series, OHAUS Precision Balance

As of: Friday, May 30, 2025

Standard Features

Large, 5.7 full-color touchscreen display with intuitive setup and application software
AutoCal™ automatic internal adjustment weight for optimized weighing performance
14 application modes, 11 weighing units and 5 display languages for a wide variety of applications
Four programmable touchless sensors for hands-free operation
0.001 g models feature frameless draftshield with anti-static glass, flip-top and large side entry doors on top-mounted bearings

Options

External calibration models

Precision Balance with Cutting-Edge Technology

The Ohaus Explorer™ features SmarText™ 2.0, the user-friendly, application-based, graphical software platform in concert with a redesigned antistatic draftshield, enhanced weighing performance, and a flexible modular display that detaches from the weighing base. Ingeniously striking a balance between cutting-edge technology and functional design, the Explorer delivers accurate performance that will improve efficiency in the lab.

Explorer Series, OHAUS Precision Specifications

Weighing Units:
Milligram, gram, kilogram, ounce, carat, pennyweight, troy ounce, grain, newton (see technical manual for complete listing)

Operating Modes:
Weighing, percent weighing, parts counting, checkweighing, dynamic/animal weighing, filling, totalization, formulation, Differential weighing, density determination, peak hold, ingredient costing, pipette adjustment, SQC

Power:
AC adapter input: 100 to 240 VAC 0.6A 50/60 Hz

Stabilization Time:
Approx. 1.5 second

Calibration:
AutoCal™ at 1.5 °C temperature change, 11 hours, and external calibration

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

Est. Weight:
21.1 lb (9.6 kg)

Warranty:
Two-year limited

Return Policy:
OHAUS standard policy - restock fee may apply

Explorer Series, OHAUS Precision Models

Model	Capacity	Readability	Repeatability	Linearity	Weighing Chamber	Pan Size	Dimensions	Part #
EX223	220 g	0.001 g	±0.001 g	±0.002 g	9.5 × 7.5 × 6.5 in (241 × 191 × 165 mm)	Ø 5.1 in (130 mm)	9.1 × 15.5 × 13.8 in (230 × 393 × 350 mm)	121195
EX423	420 g	0.001 g	±0.001 g	±0.002 g	9.5 × 7.5 × 6.5 in (241 × 191 × 165 mm)	Ø 5.1 in (130 mm)	9.1 × 15.5 × 13.8 in (230 × 393 × 350 mm)	121196
EX623	620 g	0.001 g	±0.001 g	±0.002 g	9.5 × 7.5 × 6.5 in (241 × 191 × 165 mm)	Ø 5.1 in (130 mm)	9.1 × 15.5 × 13.8 in (230 × 393 × 350 mm)	121197
EX1103	1,100 g	0.001 g	±0.001 g	±0.002 g	9.5 × 7.5 × 6.5 in (241 × 191 × 165 mm)	Ø 5.1 in (130 mm)	9.1 × 15.5 × 13.8 in (230 × 393 × 350 mm)	121198

Parts

Part #	Description

121195	Balance,Ohaus EX223 Toploader, Explorer 220 g x 0.001 g, 120-240 VAC AC Adapter US Power Cord
121196	Balance,Ohaus EX423 Toploader, Explorer 420 g x 0.001 g, 120-240 VAC AC Adapter US Power Cord
121197	Balance,Ohaus EX623 Toploader, Explorer 620 g x 0.001 g, 120-240 VAC AC Adapter US Power Cord
121198	Balance,Ohaus EX1103 Toploader, Explorer 1100 g x 0.001 g, 120-240 VAC AC Adapter US Power Cord

Options

Part #	Description

77712	Balance OPT,Cable IBM-PC 25 Pin For Ohaus Adventurer Pro and Discovery
70406	Balance OPT,Cable 9-Pin Serial Ext
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