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Ohaus EXR224 Analytical Balance with 220 g Capacity and 0.1 mg Readability
Product Description
The Ohaus EXR224 Analytical Balance delivers precise weighing solutions essential for biotechnology, molecular diagnostics, and bioprocessing workflows requiring accuracy at the sub-milligram level. Designed for tasks including basic weighing, parts counting, check weighing, percent weighing, dynamic weighing, density determination, and complex formulation, this balance meets the demands of clinical diagnostics and synthetic biology research.
- Maximum Capacity: 220 g with high resolution of 0.1 mg
- Pan Size: 90 mm x 90 mm stainless steel pan suitable for diverse sample types
- Display: 7-inch TFT 16.7M color touchscreen with glass overlay for intuitive operation
- Calibration: AutoCal™ automatic internal calibration ensures consistent accuracy
- Communication Interfaces: USB Host (Type A) x 2, USB Device (Type C), Ethernet (RJ45), RS232; optional Wi-Fi and Bluetooth dongles enable flexible data transfer and integration with laboratory information management systems (LIMS)
- Construction: Robust metal housing with stainless steel 316 weighing pan, anti-static glass draftshield, and two touchless sensors to mitigate environmental interference
- Operational Features:
- Time synchronization via NTP protocol
- Support for HID connection allowing driver-free integration with PCs
- 4-level user management and internal system log with capacity for 100,000 entries
- 1000 application-specific sample libraries for streamlined workflows
- Environmental Conditions: Optimized for operation between 10°C to 30°C (50°F – 86°F), 80% relative humidity, non-condensing
- Repeatability and Linearity: Typical repeatability of 0.1 mg and linearity deviation ±0.2 mg ensures precise measurement essential in molecular cloning and biomanufacturing environments
- Power and Accessories: Includes AC adapter; auxiliary display and communication accessories available to enhance laboratory integration
- Applications: Widely used in live-cell imaging preparation, fluorescence analysis, and essential for high-precision weighing in biopharmaceutical production pipelines
This analytical balance is critical for laboratories focused on biotechnology and clinical diagnostics, providing reliable, repeatable measurements fundamental to gene editing protocols, synthetic biology research, and quality control in bioprocessing facilities. Its comprehensive communication suite and precise weighing capabilities make it a key instrument for advanced research and development environments.
Item Stats
Product details
| Maximum Capacity | 220 g |
| Readability | 0.1 mg |
| Pan Size | 3.5 in x 3.5 in (90 mm x 90 mm) |
| Internal Calibration | AutoCal™ - Automatic |
| Draftshield | Included |
| Dimensions | 15.5 in x 14.6 in x 9 in (393 mm x 370 mm x 230 mm) (LxHxW) |
| Battery Life | Not Applicable |
| Legal for Trade | Not Applicable |
| Auxiliary Display Model | Available as an Accessory |
| Auto Door | Not Applicable |
| 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 | 16.3 lb (7.4 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; Mesghal; Carat; Ounce |
| Minimum Weight | 10 mg |
| Display | 7" colour TFT touchscreen |
| Pan Construction | Stainless Steel |
| Built-in Ionizer | No |
| Stabilization Time | 2 s |
| Repeatability, typical | 0.1 mg |
| Minimum Weight (USP, 0.1%, typical) | 100 mg |
| Linearity ± | 0.2 mg |
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