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    Advanced analytical Balance for complex tasksAnalytical Balance 1 enAnalytical Balance 2 enAnalytical Balance 3 en

Analytical Balance

Intelligent Performance No Matter How Difficult the Task!

  • Ohaus - Explorer Analytical
  • Delivers stable and reliable weighing results for routine weighing tasks

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EX124

Model : EX124

  • Maximum Capacity: 120 g
  • Readability: 0.1 mg
EX124/AD

Model : EX124/AD

  • Maximum Capacity: 120 g
  • Readability: 0.1 mg
  • Automatic Door
EX224

Model : EX224

  • Maximum Capacity: 220 g
  • Readability: 0.1 mg
EX224N

Model : EX224N

  • Maximum Capacity: 220 g
  • Readability: 0.1 mg
  • Readability (Certified): 1 mg
EX224/AD

Model : EX224/AD

  • Maximum Capacity: 220 g
  • Readability: 0.1 mg
  • Automatic Door
EX224N/AD

Model : EX224N/AD

  • Maximum Capacity: 220 g
  • Readability: 0.1 mg
  • Readability (Certified): 1 mg
  • Automatic Door
EX324

Model : EX324

  • Maximum Capacity: 320 g
  • Readability: 0.1 mg
EX324N

Model : EX324N

  • Maximum Capacity: 320 g
  • Readability: 0.1 mg
  • Readability (Certified): 1 mg
EX324/AD

Model : EX324/AD

  • Maximum Capacity: 320 g
  • Readability: 0.1 mg
  • Automatic Door
EX324N/AD

Model : EX324N/AD

  • Maximum Capacity: 320 g
  • Readability: 0.1 mg
  • Readability (Certified): 1 mg
  • Automatic Door


The OHAUS Explorer Series of analytical balances combine modern features and design elements to offer unmatched functionality in a line of high-performance balances unlike any other on the market

These smart and intuitive balances and all of their intelligent features simplify even the most complex laboratory measurements

  • Applications: Weighing, Parts Counting, Percent Weighing, Checkweighing, Animal/Dynamic Weighing, Filling, Totalization/Statistics, Formulation, Differential Weighing, Density Determination, Peak Hold, Ingredient Costing, Pipette Adjustment, SQC
  • Display: 5.7" (145 mm) Full-color VGA graphic touchscreen display with user-controlled brightness
  • Operation: AC adapter (included)
  • Communication: RS232 and USB (included) or second RS232/Ethernet (accessories sold separately). GLP/GMP data output with real-time clock.
  • Construction: Modular design, metal base, ABS top housing, stainless steel pan, glass draft shield with top mounted side doors and flip/sliding top door, illuminated up-front level indicator, integral weigh below hook, security bracket, calibration lock, four touchless sensors, full housing in-use cover
  • Design Features: Selectable environmental filters, auto tare, user selectable span calibration points, software lockout and reset menu, user selectable communication settings and data print options, user definable project and user IDs, auto standby, up to 14 operating languages


A large color touchscreen gives access to the advanced application modes and icon-driven application software features such as user manager, library, and minimum weight indication.

Explorer features fast stabilization times, optimized linearity and repeatability specifications, enhanced vibration filtering as well as AutoCal™ calibration to ensure accuracy.

The draftshield provides easy entry to the weighing chamber through the flip or sliding top door and the top-mounted side doors which can be automatically controlled on /AD models.

ModelEX124EX224EX324
Automatic DoorEX124/ADEX224/ADEX324/AD
External Calibration———
Certified ModelsEX124N/ADEX224N EX224N/ADEX324N EX324N/AD
Capacity (g)120220320
Readability d (g)0.0001
Verification Interval* e (g)0.001
Class*I
Repeatability std (g)±0.0001
Linearity (g)±0.0002
Stabilization Time (sec)≤2≤3
Sensitivity Drift (ppm/°C)1.5
Weighing UnitsGram, Milligram, Kilogram, Carat, Ounce, Ounce Troy, Pound, Pennyweight, Grain, Newton, Momme, Mesghal, Hong Kong Tael, Singapore Tael, Taiwan Tael, Tical, Tola, Baht, Custom Unit 1, Custom Unit 2, Custom Unit 3
Weighing Units, Certified Modelsmg, g, oz, lb, ct, ozt, grain, dwt
Weighing ApplicationsWeighing, Percent Weighing, Parts Counting, Check Weighing, Dynamic/Animal Weighing, Filling, Totalization, Formulation, Differential Weighing, Density Determination, Peak Hold, Ingredient Costing, Pipette Adjustment, SQC
Pan SizeØ 3.54 in / 90 mm
CalibrationAll models feature external calibration. Models feature AutoCal™ internal calibration, except for EX.../E models
Tare RangeTo capacity by subtraction
Power RequirementsAC Adapter Input: 100-240 VAC, 0.6A, 50-60 Hz
Display TypeFull-color VGA graphic display, 4-wire resistive touch screen
Display Size5.7 in / 145 mm (diagonal)
Display Housing (W×H×D)7.68 × 3.54 × 6.06 in / 195 × 90 × 154 mm
Base Housing (W×H×D)9.06 × 13.78 × 15.47 in / 230 × 350 × 393 mm
CommunicationRS232, USB and optional ethernet or 2nd RS232
Temperature Range50°F to 86°F / 10°C to 30°C
Humidity Range80% max up to 86°F/30°C decreasing linearly to 50% at 104°F/40°C, non-condensing
Storage Conditions140°F/60°C at 10% to 90% relative humidity, non-condensing
Net Weight15 lbs / 6.9 kg
Shipping Weight21 lbs / 9.6 kg
Shipping Dimensions21.65 × 15.16 × 21.69 in / 55 × 38.5 × 55.1 cm