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  • Detachable terminal.
  • Balance with optional external ionizer.
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  • Automatic doors available on select models.
  • Internal ionizer available on select models.
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Ohaus Explorer® Semi-Micro Balances


Normal Availability: 2-3 business days

Product Description

The Ohaus Explorer® Semi-Micro Balances are ideal for laboratory work and research that requires accuracy to the hundred-thousandth. The models have capacities up to 220 g and resolutions up to 0.01 mg. The precision-machined, solid metal weighing cells coupled with Ohaus' signature AutoCal™ internal calibration system ensure accurate, reproducible measurements. The ultra-fast stabilization time (0.1 mg: ≤3 second, 0.01 mg: ≤8 second) and audible stability alert increases laboratory efficiency. Each unit features a detachable terminal with a large(5.7" diagonal), full-color VGA graphic display, 4-wire resistive touchscreen, QWERTY and numeric keypad. Four programmable touchless sensors allow the operator to perform common functions and commands with the swipe of a hand. The EX225D/AD and EX225/AD feature automated doors and built-in ionizers.

Typical application modes include weighing, parts counting, percent weighing, checkweighing, dynamic/animal weighing, formulation, density determination, pipette adjustment and SQC. Weigh displays include Gram, Milligrams, Kilogram, Newton, Pound, Ounce, Pound:Ounce (decimal or fractional), Ounce Troy, Pennyweight, Grain or Carat.

These balances have a metal base, ABS top housing, a 3.1" / 80 mm diameter stainless steel pan, anti-static glass draftshield with flip-top door, a replaceable in-use cover and are powered with an AC adaptor (included)

  EX125D EX125 EX225D EX225D/AD EX225/AD
Capacity (g) 52 g/ 120 g 120 g 120 g / 220 g x 120 g / 220 g 220 g
Readability (mg) 0.01 mg / 0.1 mg 0.01 mg 0.01 mg / 0.1 mg 0.01 mg / 0.1 mg 0.01 mg
Repeatability (@ Capacity) 0.1 mg 0.02 mg 0.1 mg 0.03 mg 0.03 mg
Automatic Door N/A N/A N/A Standard Standard
Net Weight 15.4 lb / 7 kg 15.4 lb / 7 kg 15.4 lb / 7 kg 16.5 lb / 7.5 kg 16.5 lb / 7.5 kg


Balance Dimensions 15.5" h x 24.9" w x 18.4" d (393 x 230 x 350 mm).

Literature available: Ohaus Explorer®Semi-Micro Balances summary sheetOhaus Balance Selector Guide.

Accessories: A variety of accessories and replacement parts are available. These include an external static ionizer (item # H-30130302), an anti-theft device (item # H-80850043), pipette adjustment kit (item # H-30252145), portable dot-matrix printer (item # H-30064203), dust cover (item # H-30093334), RS232 to CBM910 cable (item # H-80252571), density kit (item # H-80253384), Ethernet interface kit (item # H-83021082), AD7-RS Auxiliary Display (item # H-AD7-RS), RS422 Cable Extension (item # H-83021083), 25Pin-9 Pin, PC-TxxP Cable (item # H-80500524), RS232 IBM 9P Cable (item # H-80500525) and A to B USB cable (item # H-83021085).


WARNING: This product can expose you to chemicals which are known to the state of California to cause cancer and reproductive harm. For more information go to

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