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Ohaus Precision Balance EXR223N with 7-inch Color Touchscreen and Multi-Communication Interfaces
Product Description
The Ohaus Precision Balance EXR223N (31059220) is a high-accuracy analytical balance engineered for precise weighing applications critical in biotechnology, molecular diagnostics, and bioprocessing workflows. Featuring a maximum capacity of 220 g and a readability of 1 mg, this balance supports various weighing modes including basic weighing, parts counting, check counting, percent weighing, dynamic weighing, and density determination, making it essential for biomanufacturing and synthetic biology research that demands precise quantification.
Key technical features include:
- 7-inch TFT 16.7M color touchscreen with glass overlay for intuitive operation and enhanced user interaction.
- Robust metal housing with SST 316 stainless steel weighing pan and an anti-static glass draftshield, ensuring durability and stability in controlled environments.
- Advanced communication options including Dual USB Host (Type A), USB Device (Type C), Ethernet (RJ45), and RS232 interfaces. Optional Wi-Fi and Bluetooth dongle support facilitates seamless integration into laboratory data systems and electronic laboratory notebooks.
- Includes time synchronization via NTP, 4-level user management, and an internal system log supporting up to 100,000 entries, facilitating compliance and traceability in regulated biotech labs.
- AutoCal™ internal automatic calibration ensures consistent accuracy without manual intervention, critical for reproducible molecular biology and cell imaging experiments.
- Supports multiple units of measurement including milligram, gram, ounce, carat, and more, providing versatility for diverse bioanalytical applications.
- The balance is NTEP Certified and Legal for Trade, suitable for quality control in clinical diagnostics and pharmaceutical biomanufacturing.
With a compact footprint of 393 mm x 370 mm x 230 mm and a fast stabilization time of 1.5 seconds, the Ohaus EXR223N is highly suited for precision weighing tasks in biotechnology research, bioprocessing, and other laboratory environments requiring reliable and repeatable measurements. This balance is widely adopted in workflows that necessitate meticulous sample weighing, formulation, and quantification fundamental to synthetic biology and molecular cloning protocols.
Item Stats
Product details
| Maximum Capacity | 220 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 | 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 | NTEP Certified |
| Auxiliary Display Model | Available as an Accessory |
| Auto Door | Not Applicable |
| Tare Range | To capacity by subtraction |
| Working Environment | 10°C – 30°C, 80%RH, non-condensing (50°F – 86°F, 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 | Milligram; Ounce Troy; Pennyweight; Gram; Grain; Carat; Ounce |
| Minimum Weight | 0.14 g |
| Display | 7" colour TFT touchscreen |
| Pan Construction | Stainless Steel |
| Built-in Ionizer | No |
| 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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