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Ohaus Precision Balance EXP4202 | Model 31059196 – High-Precision Analytical Balance with Touchscreen
Product Description
The Ohaus Precision Balance EXP4202 is a versatile laboratory-grade analytical balance designed for accurate weighing applications in biotechnology, clinical diagnostics, and research laboratories. It features:
- Maximum Capacity: 4200 g with a readability of 0.01 g, ensuring precise measurements for bioprocessing and molecular biology workflows.
- Display: 7-inch TFT 16.7M color touchscreen with glass overlay for intuitive user interaction and improved operational efficiency in analytical labs.
- Applications: Supports a wide range of functions including basic weighing, parts counting, check and percent weighing, dynamic weighing, totalization, formulation, differential weighing, density determination, peak hold, pipette adjustment, statistical quality control (SQC), fill weight variation, and flow rate control—critical for synthetic biology and biomanufacturing processes.
- Connectivity: Multiple communication interfaces including USB Host (Type A), USB Device (Types B and C), Ethernet (RJ45), RS232, and optional Wi-Fi/Bluetooth dongles facilitate integration into laboratory information management systems (LIMS) and automated workflows.
- Construction: Robust modular design with a metal base and housing, SST 316 stainless steel weighing pan, motorized leveling, two touchless sensors, status lights, automatic anti-pinch doors, anti-static glass draftshield, and built-in ionizer and sample spotlight on 1 mg models enhance reliability in live-cell imaging and molecular diagnostics environments.
- Technical Specs: AutoCal™ internal automatic calibration, readability at 0.01 g with ±0.02 g linearity, stabilization time of 1 second, and NTEP certification for legal-for-trade use.
- User Management: Features time synchronization via NTP, HID support for driverless computer connection, four-level user management, and an internal log capacity of 100,000 entries supporting stringent lab compliance requirements.
- Dimensions & Environment: Compact footprint (16.1 x 3.8 x 9 inches), operating temperature range of 10°C to 30°C with up to 80% non-condensing humidity suitable for controlled biotechnology laboratory conditions.
This precision balance is essential for molecular cloning workflows, widely adopted in synthetic biology research, and critical in biopharmaceutical production pipelines requiring reliable mass measurements and formulation accuracy. Its advanced connectivity and comprehensive measuring modes optimize data integrity and operational workflow in modern laboratory settings.
Item Stats
Product details
| Maximum Capacity | 4,200 g |
| Readability | 0.01 g |
| Pan Size | 7.9 in x 7 in (201 mm x 178 mm) |
| Internal Calibration | AutoCal™ - Automatic |
| Draftshield | — |
| Dimensions | 16.1 in x 3.8 in x 9 in (408 mm x 97 mm x 229 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 | 50°F – 86°F, 80%RH, non-condensing (10°C – 30°C, 80%RH, non-condensing) |
| Net Weight | 12.1 lb (5.5 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 | Ounce Troy; Pennyweight; Gram; Grain; Kilogram; Pound; Carat; Ounce |
| Minimum Weight | 1.4 g |
| Display | 7" colour TFT touchscreen |
| Pan Construction | Stainless Steel |
| Built-in Ionizer | No |
| Stabilization Time | 1 s |
| Repeatability, typical | 0.01 g |
| Minimum Weight (USP, 0.1%, typical) | 14 g |
| Linearity ± | 0.02 g |
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