Explorer Plus™ Series, OHAUS Semi-micro Balance

As of: Wednesday, March 18, 2026

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Standard Features

Intuitive SmarText™ software
Four programmable touchless sensors
Weighing chamber
7 inch color touchscreen display
Memory for up to 99 items
Real-time clock for GLP/GMP data collection
Audible stability alert
Autocal automatic calibration
EXP225D/AD and EXP225/AD
Includes ionizer and auto doors
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

Approvals

WARNING: Cancer and Reproductive Harm California Proposition 65

Semi-micro Lab Balance for Precision

For high-precision weighing in laboratories, the OHAUS Explorer Plus Semi-Micro balance is ideal. It features a detachable terminal and base for ease of use, as well as anti-pinch auto doors to make removing and adding samples simple.

Explorer Plus Series, OHAUS Semi-micro Specifications

Weighing Units:
Gram, kilogram, ounce, pound, carat, pennyweight, 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, pipette adjustment, SQC

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

Stabilization Time:
0.1 mg = 0.3 seconds; 0.01 mg = 8 second

Min-Weight:
20.0 mg fine range (USP, u=0.10%, k=2)

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

Temperature:
Operating:
14 °F to 86 °F (-10 °C to 30 °C)

Est. Weight:
25 lb (12.5 kg)

Warranty:
Two-year limited

Return Policy:
OHAUS standard policy - restock fee may apply

Explorer Plus Series, OHAUS Semi-micro Models

Model	Capacity	Readability	Repeatability (20 g) std	Repeatability (100 g) std	Linearity	Pan Size	Dimensions	Part #
EX125D/AD	82 g/120 g	0.01 mg / 0.1 mg	±0.015 mg	0.1 mg	±0.1 mg	3.1 in (80 mm)	9 × 15.4 × 13.8 in (230 × 393 × 350 mm)	233253
EX125/AD	120 g	0.01 mg	±0.015 mg	0.02 mg	±0.1 mg	3.1 in (80 mm)	9 × 15.4 × 13.8 in (230 × 393 × 350 mm)	233254
EX225D	120 g/220 g	0.01 mg / 0.1 mg	±0.015 mg	0.01 mg /0.1 mg	±0.1 mg	3.1 in (80 mm)	9 × 15.4 × 13.8 in (230 × 393 × 350 mm)	233255
EX225D/AD	120 g / 220 g	0.01 mg / 0.1 mg	±0.015 mg	0.01 mg /0.1 mg	±0.1 mg	3.1 in (80 mm)	9 × 15.4 × 13.8 in (230 × 393 × 350 mm)	233256

Parts

Part #	Description

233253	Balance,Ohaus EXP125D/AD Semi-Micro Explorer, 82g/120g x 0.01 mg/0.1mg, 120-240 VAC AC Adapter, US power cord
233254	Balance,Ohaus EXP125/AD Semi-micro Explorer, 120 g x 0.01 mg, 120-240VAC AC adapter, US Power Cord
233255	Balance,Ohaus EXP225/AD Semi-micro Explorer, 120 g/220 g x 0.01/0.1 mg, 120-240VAC AC Adapter, US Power Cord
233256	Balance,Ohaus EXP225D/AD Semi-micro Explorer, 120 g/220 g x 0.01/0.1 mg, 120-240VAC AC Adapter, US Power Cord

Options

Part #	Description

233257	Balance OPT,Cable 9-Pin Serial Ext
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