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Ohaus Precision Balance EXP1203N/AD – 1,200 g Capacity, 1 mg Readability Analytical Scale

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Maximum Capacity
1,200 g
Readability
1 mg
Pan Size
5.1 in x 5.1 in (130 mm x 130 mm)
Internal Calibration
AutoCal™ - Automatic
Draftshield
Included
All 27 specifications
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Specifications 27

Brands
Ohaus
New/Used
Used
Maximum Capacity
1,200 g
Readability
1 mg
Pan Size
5.1 in x 5.1 in (130 mm x 130 mm)
Internal Calibration
AutoCal™ - Automatic
Draftshield
Included
Dimensions
16.1 in x 14.6 in x 9 in (408 mm x 372 mm x 229 mm) (LxHxW)
Battery Life
Not Applicable
Legal for Trade
NTEP Certified
Auxiliary Display Model
Available as an Accessory
Auto Door
Anti-pinch autodoors
Tare Range
To capacity by subtraction
Working Environment
50°F – 86°F, 80%RH, non-condensing (10°C – 30°C, 80%RH, non-condensing)
Net Weight
17.2 lb (7.8 kg)
In-Use Cover
Included
Communication
USB device; USB host x 2; RS232; Ethernet TCP/IP; WiFi/Bluetooth (available as an accessory)
Power
AC Adapter (Included)
Units of Measurement
Milligram; Ounce Troy; Pennyweight; Gram; Grain; Kilogram; Pound; Carat; Ounce
Minimum Weight
0.14 g
Display
7" colour TFT touchscreen
Pan Construction
Stainless Steel
Built-in Ionizer
Yes
Stabilization Time
1.5 s
Repeatability, typical
1 mg
Minimum Weight (USP, 0.1%, typical)
1.4 g
Linearity ±
2 mg

Product description

High-precision analytical balance with 1,200 g capacity and 1 mg readability, featuring touchscreen and advanced connectivity.

The Ohaus Precision Balance EXP1203N/AD is a high-accuracy digital analytical balance engineered for laboratory weighing needs critical to biotechnology, molecular diagnostics, and quality control applications. It offers a maximum capacity of 1,200 g with an exceptional readability of 1 mg, making it suitable for tasks such as trace weighing, parts counting, and complex formulations.

Key technical features include:

  • 7-inch TFT 16.7M color touchscreen with glass overlay for intuitive user interaction.
  • Multiple weighing applications: *basic weighing*, *parts and check counting*, *percent weighing*, *density determination*, *formulation*, and *pipette adjustment*, supporting precise bioprocessing and synthetic biology workflows.
  • AutoCal™ automatic internal calibration ensuring reliable accuracy without manual intervention.
  • Durable SST 316 stainless steel pan (130 mm x 130 mm) ideal for chemical and biological sample compatibility.
  • Enhanced *environmental stability* with an anti-static glass draftshield, built-in ionizer, and motorized leveling for reliable results in controlled lab environments.
  • Comprehensive communication interfaces including USB Host (Type A), USB Device (Types B & C), Ethernet (RJ45), RS232, and optional Wi-Fi and Bluetooth dongles, facilitating seamless integration into laboratory information management systems (LIMS) and data logging for biomanufacturing process documentation.
  • Design priorities for safety and usability such as automatic anti-pinch doors, dual touchless sensors, and status indicator lights.

The balance meets NTEP certification for legal-for-trade use, making it suitable for regulated clinical diagnostics and quality assurance labs. Its versatility and advanced specifications make it indispensable in biotechnology research, pharmaceutical formulation, synthetic biology, and molecular biology workflows requiring precise mass measurements and density analysis.

This precision balance supports a wide range of unit measurements including milligrams, grams, pounds, carats, and more, accommodating diverse scientific applications in cell imaging, bioprocessing, and biomolecular quantification. The large internal system log (up to 100,000 entries) plus support for HID interface and network time synchronization (NTP) enhance data integrity and traceability crucial in regulated laboratory environments.

Overall, the Ohaus EXP1203N/AD is a robust, high-performance analytical balance designed for laboratories demanding precision, connectivity, and compliance in advanced biotechnological and clinical research settings.

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Frequently asked questions

How long does laboratory equipment typically last?

With a service contract, ten to fifteen years is normal for most benchtop instruments. Detectors and pumps are the parts that wear first.

Can I get service for older equipment?

Often, yes. Verified suppliers frequently work with service partners converting the instrument. If applicable, we can list servicing options alongside the offer.

Where can I buy parts?

Ask a scientist through the request button. Parts are often available even when the instrument itself is discontinued.

What is the typical lead time for refurbished equipment?

Two to six weeks, depending on refurbishment scope and whether calibration is included.

Does laboratory equipment ship internationally?

We ship to 38 countries. Crating and customs handling are quoted with the instrument.

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Last updated 3 November 2026