OHAUS Explorer EX225/AD Semi Micro Balance 220 g x 0.01 mg NTEP AutoDoor

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OHAUS Explorer EX225/AD Semi Micro Balance 220 g x 0.01 mg NTEP AutoDoor

OHAUS Explorer EX225/AD Semi Micro Balance 220 g x 0.01 mg NTEP AutoDoor


New product

  • Automatic door function and built-in ionizer
  • AutoCal­™ Auto Internal Calibration
  • 5.7" color touchscreen display
  • SmarText™ 2.0 graphical software
  • Touchless IR sensors for hands-free operation
  • Easy access communication ports
  • 5 year warranty (2 + 3 w/registration)
  • Typically ships in 2-5 days

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Our Price: $7,916.90

Brand: OHAUS

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OHAUS Explorer EX225/AD Semi Micro Balance AutoDoor

The Explorer EX225/AD dual range semi-micro balance is designed for sophisticated performance, versatility, user-friendliness and superior accuracy. A brilliant 5.7 inch full-color VGA graphical display is easy-to-read and can be quickly separated from the weighing base. SmarText™ 2.0 software uses an icon-based touchscreen display, memory library, advanced applications and more. The Explorer EX225/AD is a highly sophisticated and modern semi micro balance that meets the demands of laboratory applications requiring utmost accuracy. Automatic doors add convenience by reducing strain and minimizing vibrations that can affect weighing results. The Explorer EX225/AD semi micro balance also includes a built-in ionizer that eliminates static electricity which helps ensure accurate readings. An expanded communication port includes a USB host, USB device and RS232 with the option of a fourth port for Ethernet or additional USB. All OHAUS Explorer semi micro balances are NTEP approved; Legal-for-trade.

Explorer EX225/AD Dual Range Semi Micro Balance Features


  • AutoCal™ Automatic Internal Calibration: Routine maintenance by automatically calibrating the balance every time it senses a temperature change of 1.5°C or every 3 hours, whichever occurs first. 
  • Ultra-fast Stabilization Time: Quick operation increases productivity; 0.1 mg: ≤3 second, 0.01 mg: ≤8 second
  • SmarText™ 2.0 Software: Icon-based touchscreen display, advanced applications, memory library, a USB host port, and more provides superior performance and modern usability.
  • Color Touchscreen Display: A 5.7" full-color VGA graphical display with touchscreen operation.
  • 4 Programmable Touchless Sensors: Perform common functions easily and quickly with a simple swipe of the hand.
  • Automatic Doors: OHAUS EX225/AD automatic door model offers even more convenience and accuracy thanks to the hands-free automatic door feature. Just a swipe of the hand over the IR sensor opens and closes the doors.
  • Built-in Ionizer: The EX225/AD comes standard with an integrated ionizer adding an additional level of improved accuracy.
  • Big Memory: Library has space for up to 99 items and a 10 recipe library for formulation mode.
  • Multiple Users: Administrator and up to 5 additional users can use the balance without losing recorded results obtained by other operators.
  • Modular Design: The display can be separated from the weighing base allowing remote mounting and additional versatility.
  • Versatile Communication: The EX225/AD Semi Micro Balance comes standard with USB host, USB device and RS232 ports with the option of adding an additional Ethernet or RS232 port. Save to USB function, data transfer function and GLP/GMP data output with real time clock.
  • Anti-Static Glass Draft Shield: Includes anti-static glass draft shield with 2 side doors and a convenient hinged top door.
  • Integral Weigh Below Hook: Underhook weighing capability comes standard.
  • Durable Construction: Metal base, ABS plastic housing and stainless steel weighing pan.
  • NTEP Approved: OHAUS Explorer semi micro balances are all legal-for-trade.
  • Even More Features: Audible stability alert, up to 14 operating languages, security bracket, menu lock switch, stability indicator, overload and underload indicators, auto standby, removable weighing platform, removable weighing chamber shelf.

OHAUS EX225/AD Semi Micro Balance Application Modes


  • General weighing
  • Percent weighing
  • Check weighing
  • Parts counting
  • Dynamic/animal weighing
  • Totalization
  • Filling
  • Formulation
  • Density determination
  • Differential weighing
  • Pipette adjustment
  • Peak hold
  • SQC

OHAUS Explorer EX225/AD Specifications


Capacity & Readability

220 g x 0.1 mg

Repeatability (20 g) std. dev.0.015 mg
Linearity±0.1 mg
Span Calibration Points100 g, 150 g, 200g
CalibrationStandard AutoCal™, AutoCal on Δ1.5° temperature change, 3 hours
Weighing Unitsg, 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
Stabilization Time0.1 mg: ≤3 second, 0.01 mg: ≤8 second
Sensitivity Temp. Drift 0.50 ppm / °C
Min-Weight (typical)20.0 mg, fine range (USP, u=0.10%, k=2)
Min-Weight (optimal)9.0 mg, fine range (USP, u=0.10%, k=2) SRP≤0.41d**
Display5.7 in / 14.5 cm (diagonal) Full-Color touch screen
InterfaceStandard connectivity: 1 USB host, 1 USB device, 1 RS232 Optional connectivity: 2nd RS232, Ethernet
Working Environment10°C – 30°C / 50°F – 86°F, 85% RH, non-condensing
Power SupplyAC Adapter Input: 100 – 240 VAC 0.6 A 50/60 Hz, AC Adapter Output: 12 VDC 1.5 A
Pan Size (diameter)3.1 in / 80 mm
Dimensions (W × H × D)9 × 15.5 × 13.8 in / 230 × 393 × 350 mm
Brand & ModelOHAUS EX225/AD
Manufacturer Item Number30139514
Warranty5 year (2 year standard + 3 year w/registration)

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)

Legal for Trade - NTEP approved

OHAUS EX225/AD Explorer Semi Micro Balance Dimensions

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