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OHAUS™ Explorer™ Semi-Micro Balances

Designed and constructed to provide a modern weighing experience as well as to bolster accuracy. OHAUS Explorer Semi-Micro Balances are built for accurate, sophisticated and professional weighing. They use High Speed Single Module weighing cell to ensure that results are accurate.

Supplier:  OHAUS™ 30139511

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Catalog No. 01-919-371

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  • AutoCal™ internal calibration feature utilizes two internal weights to perform a linear calibration to minimize weighing errors and ensure accurate measurements
  • Intuitive software powered by SmarText™ 2.0
  • Ultra-fast stabilization time (0.1mg: ≤3 sec., 0.01mg: ≤8 sec.) and audible stability alert increases laboratory efficiency
  • Icon-based color touchscreen display provides tactile feedback and operates in the same manner as a smart phone or tablet computer
  • Four programmable touchless sensors allow the operator to perform common functions and commands with a swipe of the hand
  • USB host port provides the capability of using a USB extension cable to directly transfer the data to a flash drive
  • Memory library includes space for up to 99 items, and a 10 recipe library for formulation mode
  • User manager function provides profiles for one administrator and five additional users, allowing multiple users to utilize the same balance without compromising past results recorded on the balance
  • Modular design in which the base and display can be separated to allow the balance to fit ideally on the lab bench
  • Automatic door feature (available on certain models) allows access to weighing chamber without the need to touch the draftshield door; they minimize vibrations caused by manual operation
  • Built-in ionizer, included in Explorer automatic door models, generates bipolar ions continuously from positive and negative discharge electrodes and directs the ionized air onto the charged body to eliminate static electricity
  • Other advanced features include: Below minimum sample weight indicator, real time clock for GLP/GMP data collection, true type printing for SQC and pipette adjustment
  • Available models include: EX125D, EX125, EX225D, EX225D/AD, and EX225/AD
  • Calibration: Standard AutoCal, AutoCal on Δ1.5° temperature change, 3 hours
  • Weighing Units: g, mg, kg, ct ,gn, oz, ozt, lb, dwt, N, mom, tical, msg, tola, baht, Hong Kong Tael, Singapore Tael, Taiwan Tael,
  • Custom Units 1, Custom Unit 2, Custom Unit 3
  • Applications: Weighing, Parts Counting, Percent Weighing, Checkweighing, Dynamic Weighing, Filling, Totalization, Formulation,
  • Differential Weighing, Peak Hold, Density Determination, Pipette Adjustment, Statistical Quality Control
  • Stabilization Time: 0.1mg: ≤3 sec., 0.01mg: 8 sec.
  • Sensitivity Temp. Drift: 0.50ppm/°C
  • Min-Weight (typical): 20mg, fine range (USP, u=0.10%, k=2)
  • Min-Weight (optimal); 9.0mg, fine range (USP, u=0.10%, k=2) SRP.41d
  • Display: 14.5cm (5.7 in.) (diagonal) Full-Color touch screen
  • Interface: Standard connectivity: 1 USB host, 1 USB device, 1 RS232; Optional connectivity: 2nd RS232, Ethernet
  • Working Temperature: 10°to 30°C (50° to 86°F)
  • Humidity: 85% RH, non-condensing
  • Storage Conditions: 10° to 60°C (-14° to +140°F) at 10% to 90% relative humidity, non-condensing
  • Power Supply: AC Adapter Input: 100 to 240 VAC 50/60Hz, 0.6A; AC Adapter Output: 12 VDC 1.5A
  • Pan Dia.: 80mm (3.1 in.)
  • Dimensions (D x W x H): 35 x 23 x 39.3cm (13.8 x 9 x 15.5 in.)


Product Safety: CAN/CSA C22.2 61010-1, UL 61010-1, IEC 61010-1


Electromagnetic Compatibility: FCC Part 15 (Class A), Industry Canada ICES-001 (Class A), IEC 61326-1, (Class B emissions, Industrial immunity)



Standard connectivity: 1 USB host, 1 USB device, 1
Product Safety: CAN/CSA C22.2 61010-1, UL 61010-1,
14.5 cm (5.7 in.) (Diagonal) Full-Color Touchscreen
85% RH, non-condensing
Typical: 20mg, fine range (USP, u=0.10%, k=2); Opt
0.1 mg: ≤3 sec., 0.01 mg: ≤8 sec.
10°C to 30°C
g, mg, kg, ct ,gn, oz, ozt, lb, dwt, N, mom, tical
39.3 cm
3.1 in.
AC Adapter Input: 100 to 240 VAC 50/60 Hz 0.6 A AC
50g, 100g
120 g
0.01 mg
Without automatic door
50°F to 86°F
Semi Micro Balance
23 cm
35 cm
80 mm




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