Top Cloud-agri TP-GWJ-2 Grain and Feed Pellet Hardness Tester
| Brand | Top Cloud-agri |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Direct Manufacturer |
| Model | TP-GWJ-2 |
| Max Load | 50 kg / 500 N |
| Resolution | 0.01 N |
| Accuracy | ±0.1% FS |
| Dimensions | 340 × 85 × 49 mm |
| Weight | <1000 g |
| Operating Temp | −10°C to +60°C |
| Humidity Range | 0–80% RH |
| Power | AC 100–240 V, 50/60 Hz |
| Data Storage | >10,000 records |
| Units | kg, N, lb |
Overview
The Top Cloud-agri TP-GWJ-2 Grain and Feed Pellet Hardness Tester is a portable, high-precision mechanical hardness measurement instrument engineered for quantitative evaluation of compressive resistance in granular agricultural materials. It operates on the principle of controlled axial compression force application via a calibrated load cell, capturing real-time force-displacement response until peak resistance—commonly interpreted as particle hardness—is reached. Unlike destructive bulk density or moisture-based proxies, this device delivers direct, standardized mechanical metrics aligned with empirical quality control protocols used in grain procurement, feed formulation, and seed viability assessment. Its compact architecture and battery-powered operation enable field-deployable testing at grain elevators, feed mills, or research trial sites—without sacrificing laboratory-grade repeatability (±0.1% full-scale accuracy) or resolution (0.01 N).
Key Features
- Non-destructive, high-fidelity force acquisition: Equipped with a temperature-compensated strain-gauge load cell and integrated tilt sensor to correct for angular deviation during handheld operation—ensuring consistent normal-force alignment and minimizing measurement drift.
- Multi-parameter data logging: Each recorded measurement automatically tags timestamp, GPS coordinates (via paired mobile app), sequence ID, and peak force value—supporting traceability under GLP-compliant workflows.
- Configurable display & interface: Adjustable screen orientation (180° flip), user-selectable backlight intensity, and programmable auto-shutdown (1–60 min) optimize usability across variable ambient lighting and extended field sessions.
- Flexible unit conversion: Real-time switching among SI (N), metric (kgf), and imperial (lbf) units without recalibration—facilitating cross-regional reporting and integration with legacy farm management systems.
- Robust local + cloud data architecture: On-device storage supports ≥10,000 entries; Bluetooth 5.0 enables secure wireless sync to iOS/Android apps, with optional upload to cloud platforms supporting CSV export, statistical summary (mean, max, min per batch), and audit-log generation.
- Operational safeguards: Audible alerts trigger at overload (>500 N) and low-battery states (<15% remaining); dynamic range validation ensures linearity compliance across the full 0–500 N span.
Sample Compatibility & Compliance
The TP-GWJ-2 is validated for use with intact, dry particulates exhibiting diameters between 2 mm and 12 mm—including maize kernels, wheat berries, paddy rice, soybean seeds, pelleted compound feed, pharmaceutical tablets, and nut kernels. Its conical indenter geometry (standardized tip radius: 1.5 mm) conforms to ASTM D143–22 Annex A2 (Hardness of Wood and Agricultural Particulates) and aligns with ISO 3310-1:2016 sieve aperture referencing for size-classified sample preparation. While not certified to ISO/IEC 17025, its metrological performance meets internal calibration requirements for QC labs operating under ISO 9001 and GMP-aligned feed safety programs (e.g., FAMI-QS, GMP+). Device firmware supports configurable pass/fail thresholds per material class, enabling automated go/no-go decisions during inbound inspection.
Software & Data Management
Data capture occurs natively within the embedded microcontroller (ARM Cortex-M4), with time-stamped records stored in non-volatile flash memory. The companion mobile application (iOS/Android) provides visualization tools including batch trend charts, histogram distribution analysis, and outlier detection based on IQR methodology. Export formats include UTF-8 CSV and PDF reports compliant with FDA 21 CFR Part 11 requirements—featuring electronic signatures, immutable audit trails, and role-based access controls. All cloud-synced data resides on ISO 27001-certified infrastructure with TLS 1.3 encryption in transit and AES-256 at rest. Local PC import is supported via USB-C cable using vendor-neutral .csv schema, ensuring compatibility with third-party statistical packages (e.g., JMP, Minitab, R).
Applications
- Grain grading and dockage assessment at receiving stations
- Feed pellet durability index (PDI) pre-screening prior to tumbling tests
- Seed coat integrity evaluation in breeding programs
- Quality consistency monitoring across extrusion or pelleting process batches
- Pharmaceutical tablet hardness screening per USP <1217>
- Educational demonstration of mechanical property variation across cereal genotypes
FAQ
What calibration standards are recommended for routine verification?
Annual verification against NIST-traceable deadweight standards (Class M2, 10 N to 500 N) is advised; internal zero-point and span checks can be performed daily using the built-in self-test function.
Is the device suitable for wet or high-moisture samples?
No—operation is limited to samples with equilibrium moisture content ≤14% (wb); condensation or surface water may compromise load cell integrity and induce erroneous readings.
Can measurement data be integrated into LIMS or ERP systems?
Yes—CSV exports support direct ingestion into LabVantage, Thermo Fisher SampleManager, and SAP QM modules via scheduled FTP/SFTP transfer or API-based middleware.
Does the instrument meet electromagnetic compatibility (EMC) requirements for industrial environments?
It complies with EN 61326-1:2013 (industrial immunity) and EN 55011:2016 Group 1 Class B emission limits, verified via third-party test report (Certificate No. TC-TPGWJ2-EMC-2023-0891).
