Aode Aode-101 Type 211226 Mechanical Automatic Rotary Sample Divider
| Brand | Aode |
|---|---|
| Origin | Liaoning, China |
| Manufacturer | Yes |
| Country of Origin | China |
| Model | Aode-101 Type 211226 |
| Price | USD 5,300 (FOB Liaoning) |
Overview
The Aode Aode-101 Type 211226 Mechanical Automatic Rotary Sample Divider is a precision-engineered device designed for reproducible, bias-free sample subdivision in physical property testing laboratories. It operates on the principle of rotary riffling—where a rotating feed hopper distributes bulk particulate material uniformly across multiple symmetrical chutes, ensuring each subsample receives an equal volumetric share of the original heterogeneous matrix. This mechanical division method eliminates operator-induced segregation and preserves particle size distribution (PSD), moisture content, and compositional homogeneity across subsamples. The instrument is particularly suited for quality control workflows in mineral processing, pharmaceutical powder development, cement production, agricultural commodity grading, and environmental soil sampling—where regulatory compliance demands statistically valid representative sub-aliquots per ISO 13320, ASTM D6938, and USP <429> guidelines.
Key Features
- Robust all-metal construction with corrosion-resistant stainless steel sample contact surfaces and hardened aluminum alloy housing for long-term dimensional stability
- Programmable rotation speed control (30–120 rpm) with digital tachometer feedback to maintain consistent feed dynamics across varying bulk densities and flow characteristics
- Eight-channel symmetrical riffling geometry, delivering up to 1:8 subdivision ratio with ≤±1.2% relative standard deviation (RSD) in mass recovery across replicate runs
- Interchangeable chute modules supporting both dry free-flowing powders (e.g., granulated sugar, silica sand) and moderately cohesive materials (e.g., lactose blends, ground ores)
- Integrated safety interlock system that halts rotation when access doors are opened, compliant with IEC 61000-6-2 electromagnetic compatibility and EN 60204-1 machinery safety standards
- Tool-free hopper and chute assembly/disassembly enabling rapid cleaning and cross-contamination prevention between sample batches
Sample Compatibility & Compliance
The Aode-101 accommodates sample volumes from 50 g to 5 kg per cycle, with particle size ranges spanning 10 µm to 25 mm. It maintains representativeness for materials exhibiting moderate angle of repose (≤45°) and Carr Index values below 25%. Subsampling accuracy has been validated against certified reference materials (CRMs) traceable to NIST SRM 1978 (silicon carbide powder) and ISO/IEC 17025-accredited interlaboratory studies. The instrument supports GLP-compliant documentation protocols through optional batch logging and manual audit trail records. While not intrinsically rated for hazardous area use, it meets general-purpose laboratory environmental class IP20 per IEC 60529.
Software & Data Management
This mechanical divider operates without embedded firmware or proprietary software—ensuring deterministic repeatability independent of operating system updates or driver dependencies. All operational parameters (rotation duration, speed setpoint, cycle count) are manually configured via front-panel rotary encoder and LED display. For laboratories requiring electronic record retention, the unit features a TTL-level pulse output synchronized with each full rotation, compatible with external data loggers (e.g., National Instruments CompactDAQ) or LIMS-integrated PLC systems. Audit trails—including operator ID, date/time stamp, and batch identifier—must be maintained externally per FDA 21 CFR Part 11 requirements if used in regulated pharmaceutical or medical device manufacturing environments.
Applications
- Preparation of representative test portions for laser diffraction particle size analysis (ISO 13320)
- Reduction of field-collected soil or sediment composites prior to heavy metal leaching assays (EPA Method 1311)
- Homogenization and subdivision of API-excipient blends during formulation development
- Quality assurance sampling of bulk aggregates in ready-mix concrete production (ASTM C33)
- Statistical process control (SPC) sampling in feed mill pellet production lines
- Reference sample archiving where long-term physical integrity must be preserved without solvent exposure or thermal stress
FAQ
Is the Aode-101 suitable for hygroscopic or electrostatically charged powders?
It is recommended only for low-moisture (<5% w/w), non-static-prone materials. For such samples, pre-conditioning to 40% RH and grounding via conductive chute liners (optional accessory) is advised.
Can the subdivision ratio be adjusted beyond 1:8?
No—the fixed eight-channel design ensures mechanical consistency; alternative ratios require sequential passes or use of complementary cone splitters.
Does the instrument require calibration certification?
While no routine metrological calibration is mandated, annual verification of rotational speed accuracy using a NIST-traceable optical tachometer is recommended per ISO/IEC 17025 Clause 6.5.
What maintenance intervals are specified for continuous operation?
Lubrication of main drive bearings every 500 hours; inspection of chute alignment and hopper seal integrity every 100 cycles.
Is CE marking applicable for export to the European Union?
Yes—the unit complies with the Machinery Directive 2006/42/EC and carries CE marking when supplied with EU Declaration of Conformity and technical file documentation.
