Explorer Plus™ Series, OHAUS Semi-micro Balance

As of: Friday, October 30, 2026

Standard Features

7 in color TFT touchscreen with glass overlay, detachable terminal
Two programmable touchless sensors (IR) to control operations
Configurable audible alert
Automatic calibration via AutoCal™
Weighing chamber with auto doors and built-in ionizer
Time Synchronization Network Time Protocol (NTP), Support for HID
15 application modes, 17 weighing units
13 available languages
3,000 library records

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:
Milligram, gram, ounce, carat, troy ounce, pennyweight, newton, one custom unit (see technical manual for complete listing)

Operating Modes:
Basic weighing, parts counting, check counting, percent weighing, check weighing, dynamic weighing, totalization, formulation, differential, density determination, peak hold, pipette adjustment, SQC, fill weight variation, flow rate control

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

Communication:
USB Host (Type A) × 2
USB Device (Type B) × 1
USB Device (Type C) × 1
Ethernet (RJ45) × 1
RS-232 × 1
(optional Wi-Fi/Bluetooth® dongle)

Stabilization Time:
0.1 mg = 0.3 sec; 0.01 mg = 8 sec

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 to 86 °F (-10 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	Ø 3.1 in (80 mm)	9 × 16 × 14.6 in (229 × 408 × 372 mm)	233253
EX125/AD	120 g	0.01 mg	±0.015 mg	0.02 mg	±0.1 mg	Ø 3.1 in (80 mm)	9 × 16 × 14.6 in (229 × 408 × 372 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	Ø 3.1 in (80 mm)	9 × 16 × 14.6 in (229 × 408 × 372 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	Ø 3.1 in (80 mm)	9 × 16 × 14.6 in (229 × 408 × 372 mm)	233256

Part #	Description	List Price
233253	Semi-Micro Explorer, 82g/120g x 0.01 mg/0.1mg, 120-240 VAC AC Adapter, US power cord	List Price: $9,437.00
233254	Semi-micro Explorer, 120 g x 0.01 mg, 120-240VAC AC adapter, US Power Cord	List Price: $11,202.00
233255	Semi-micro Explorer, 120 g/220 g x 0.01/0.1 mg, 120-240VAC AC Adapter, US Power Cord	List Price: $13,990.00
233256	Semi-micro Explorer, 120 g/220 g x 0.01/0.1 mg, 120-240VAC AC Adapter, US Power Cord	List Price: $11,393.00

Part #	Description	List Price
233257	Serial Ext	List Price: $260.00
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

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