Explorer Plus™ Series, OHAUS Precision Balance

As of: Wednesday, March 18, 2026

Explorer Plus Precision Right Draft Shield Light

Standard Features

Large, 7-inch 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 five display languages for a wide variety of applications
Four programmable touchless sensors for hands-free operation
001 g models feature frameless draftshield with anti-static glass, flip-top and large side entry doors on top-mounted bearings
USB Host (Type A) × 2, USB Device (Type B) × 1, USB Device (Type C) × 1
Ethernet (RJ45) × 1, RS232 × 1; Optional Wi-Fi/WPAN Dongle

Options

External calibration models

Precision Balance for Laboratories and Pharmaceuticals

The OHAUS Explorer Plus Precision balance is a secure, reliable weighing solution. With a four-level user system, password protection and time synchronization to meet pharmaceutical regulations, it is suitable for a range of medical and laboratory environments.

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/AD	220 g	1mg	1mg	±2 mg	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)	233259
EX423/AD	420 g	1mg	1mg	±2 mg	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)	233260
EX623/AD	620 g	1mg	1mg	±2 mg	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)	233261
EX1203/AD	1,200 g	1mg	1mg	±2 mg	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)	233262

Parts

Part #	Description

233259	Balance,Ohaus EXP223/AD Toploader, Explorer 220 g x 1mg, 120-240 VAC AC Adapter US Power Cord
233260	Balance,Ohaus EXP423/AD Toploader, Explorer 420 g x 1mg, 120-240 VAC AC Adapter US Power Cord
233261	Balance,Ohaus EXP623/AD Toploader, Explorer 620 g x 1mg, 120-240 VAC AC Adapter US Power Cord
233262	Balance,Ohaus EXP1203/AD Toploader, Explorer 1200 g x 1mg, 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
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