OHAUS Scout SPX Portable Precision Balance
| Brand | OHAUS |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Manufacturer |
| Product Category | Domestic |
| Model | Scout SPX |
| Instrument Type | Precision Balance |
| Maximum Capacity | 6200 g |
| Readability | 0.01 g |
| Repeatability | 0.01–0.1 g |
| Calibration | Automatic |
| Design | Stackable, Ultra-Thin Profile |
| Display | Large Backlit LCD |
| Overload Protection | Enhanced Mechanical |
| Stabilization Time | ≤1 s |
| Compliance | Designed for GLP/GMP environments with audit-ready operation logs |
Overview
The OHAUS Scout SPX Portable Precision Balance is an engineered solution for high-throughput laboratory and industrial weighing applications where reliability, speed, and ergonomic adaptability are critical. Based on electromagnetic force compensation (EMFC) transduction technology, the Scout SPX delivers consistent mass measurement performance across a wide dynamic range—from routine sample preparation to bulk material verification. Its 6200 g maximum capacity and 0.01 g readability meet the requirements of ISO/IEC 17025-compliant calibration workflows and ASTM E898-22 guidelines for precision balance validation in non-regulated and regulated production settings. The ultra-thin, stackable chassis enables space-efficient deployment on crowded lab benches or mobile workstations without compromising structural rigidity or thermal stability.
Key Features
- Electromagnetic Force Compensation (EMFC) Sensor Architecture: Ensures long-term linearity, minimal drift under ambient temperature fluctuations (15–30 °C), and immunity to mechanical hysteresis typical of strain-gauge-based systems.
- 1-Second Stabilization Time: Achieved through adaptive digital filtering and real-time drift compensation—enabling rapid sequential weighing in QC sampling, formulation batching, or inventory reconciliation tasks.
- Enhanced Overload Protection System: Integrated mechanical stop mechanisms and reinforced stainless-steel load-receiving platform withstand up to 500% overloading without sensor damage or recalibration requirement.
- Large Backlit LCD Display (128 × 64 pixels): High-contrast monochrome screen with adjustable brightness levels supports legible reading at viewing angles up to ±60° and distances exceeding 2 meters—ideal for shared workspaces or glove-box integration.
- Four-Tactile-Button Interface: Dedicated TARE, UNIT, MODE, and PRINT keys minimize menu navigation; tactile feedback ensures accurate actuation even with gloves (EN 388-compliant PPE).
- Auto-Calibration & Internal Adjustment Logic: Built-in calibration weight detection triggers automatic zero-point and span adjustment upon power-on or significant ambient shift (>2 °C), maintaining traceability per ISO 9001 Clause 7.6.
Sample Compatibility & Compliance
The Scout SPX accommodates containers ranging from 30 mm diameter crucibles to 200 mm × 200 mm trays, supporting both dry solids and low-viscosity liquids (density <2.5 g/cm³). Its open-frame design permits easy cleaning and minimizes static accumulation—critical for pharmaceutical powder handling. The balance conforms to EN 45501:2015 (formerly OIML R76) for non-automatic weighing instruments and includes factory-set compliance modes for USP , EP 2.1.6, and FDA 21 CFR Part 11–ready operation when paired with optional OHAUS LoggerPro™ software. Audit trail generation, user access control, and electronic signature support are configurable for GxP-aligned environments.
Software & Data Management
Data export is supported via RS-232 serial interface (standard) and optional USB-to-serial adapter. When connected to OHAUS LoggerPro™ v3.2+ (Windows/macOS), the Scout SPX enables time-stamped data logging with metadata tagging (operator ID, sample ID, environmental timestamp), CSV/PDF report generation, and automated transfer to LIMS or ELN platforms. All logged entries include cryptographic hash integrity verification and are stored with immutable timestamps compliant with ALCOA+ principles (Attributable, Legible, Contemporaneous, Original, Accurate, Complete, Consistent, Enduring, Available).
Applications
- Raw material receipt inspection and lot release testing in chemical manufacturing
- Formulation dosing and blend uniformity checks in solid oral dosage form production
- Calibration standard mass verification in metrology labs accredited to ISO/IEC 17025
- Teaching laboratories requiring robust student-grade instrumentation with repeatable pedagogical outcomes
- Field-deployed quality assurance stations in food processing plants and packaging lines
- Environmental sample preparation (e.g., soil, sediment, filter media) prior to ICP-MS or GC-MS analysis
FAQ
Is the Scout SPX suitable for use in ISO Class 5 cleanrooms?
Yes—the unit meets ISO 14644-1 particle emission thresholds when operated with HEPA-filtered airflow and undergoes periodic surface decontamination per ISO 14644-3 Annex B.
Does it support external calibration with NIST-traceable weights?
Yes—external calibration mode allows manual initiation using certified reference masses; all calibration events are recorded in internal memory with operator ID and date/time stamp.
Can the balance be integrated into a networked QA system?
Via RS-232 or optional Ethernet gateway (OHAUS NetLink™), enabling SCADA-compatible command protocols (ASCII-based OHAUS Standard Protocol) and MODBUS RTU mapping for MES-level integration.
What is the operating temperature range for optimal accuracy?
15–30 °C with relative humidity 20–80% RH non-condensing; extended-range performance (±0.02 g deviation) validated from 10–35 °C per factory test report.
How often does automatic calibration occur?
At power-up, after 2-hour idle period, and upon detecting >2 °C ambient change—configurable thresholds available in service mode.
