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Ohaus Precision Balance EXP623/AD Laboratory Analytical Balance with 620 g Capacity and 1 mg Readability
Product Description
The Ohaus Precision Balance EXP623/AD is a high-performance analytical balance designed for precise laboratory weighing and advanced measurement applications. Ideal for biotechnology, molecular diagnostics, and biomanufacturing workflows, this balance supports tasks such as basic weighing, parts counting, formulation, density determination, and dynamic weighing critical in research and quality control.
Key features include a 620 g maximum capacity with 1 mg readability, enabling highly accurate measurements required in synthetic biology and molecular cloning workflows. The 7-inch TFT 16.7M color touchscreen with glass overlay enhances user interaction and data visualization, suited for complex experimental setups.
Connectivity options are extensive, featuring USB Host (Type A) x 2, USB Device (Type B and Type C), Ethernet (RJ45), RS232, and optional Wi-Fi and Bluetooth dongles, supporting integration into laboratory information management systems (LIMS) and facilitating data transfer in clinical diagnostics and bioprocessing environments.
The balance’s modular construction includes a metal base, stainless steel (SST 316) weighing pan, motorized leveling, and an anti-static glass draftshield with built-in ionizer to ensure measurement stability by minimizing environmental interference. Safety is enhanced by anti-pinch automatic doors and touchless sensors.
Operational specifications tailored for precision labs:
- Internal AutoCal™ automatic calibration ensures ongoing accuracy without manual intervention.
- Multiple weighing modes: percent weighing, check weighing, totalization, peak hold, pipette adjustment, and statistical quality control (SQC).
- Comprehensive unit options: Includes grams, milligrams, carats, newtons, and custom units, suitable for diverse scientific standards and global research environments.
- High repeatability (typical 1 mg) and linearity (±2 mg) suitable for sensitive biotechnological measurements.
- Robust environmental tolerance: Operates within 10°C – 30°C and 80% non-condensing humidity, ensuring reliable performance in typical laboratory conditions.
This laboratory-grade balance is widely adopted in biotechnology and biomedical engineering research, essential for precise biopharmaceutical production pipelines and live-cell imaging preparations requiring exact sample massing. The device’s user management system supports four access levels and stores 100,000 entries, making it indispensable for controlled environments in clinical and synthetic biology laboratories.
Overall, the Ohaus EXP623/AD balance integrates advanced weighing technologies, versatile connectivity, and ergonomic design, providing a reliable solution for complex bioprocessing and molecular diagnostics workflows.
Item Stats
Product details
| Maximum Capacity | 620 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 | Not Applicable |
| 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 | Singapore Tael; Ounce Troy; Pennyweight; Grain; Tical; Custom; Milligram; Momme; Newton; Baht; Taiwan Tael; Gram; Hong Kong Tael; Tola; Pound; Mesghal; 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 |
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