Chengdu Jingxin JZ-10B Dual-Station Tap Density Tester
| Brand | Chengdu Jingxin (CDJX) |
|---|---|
| Origin | Sichuan, China |
| Manufacturer Type | Direct Manufacturer |
| Model | JZ-10B |
| Instrument Category | Tap Density Tester |
| Density Measurement Range | 0–10 g/cm³ |
| Measurement Accuracy | ±1% repeatability (per GB/T 5162–2021) |
| Vibration Amplitude | 3.0 ± 0.2 mm |
| Vibration Frequency Options | 100 / 200 / 250 / 300 taps/min |
| Programmable Taps | 1–9999 cycles |
| Sample Capacity | ≤500 g (per cylinder) |
| Power Supply | AC 220 V, 110 W |
| Dimensions (L×W×H) | 455 × 280 × 125 mm |
| Net Weight | ~15 kg |
| Cylinder Configuration | Two stations, each with one 25 mL and one 100 mL borosilicate glass cylinder |
| Compliance | GB/T 5162–2021, GB/T 31057.2–2018, ChP 2020 General Chapter 0993 |
Overview
The Chengdu Jingxin JZ-10B Dual-Station Tap Density Tester is an engineered solution for standardized determination of tap density (also known as tapped density) and bulk density of free-flowing powders and granular solids. Based on the principle of controlled mechanical compaction—where a powder-filled graduated cylinder undergoes vertically oriented, rotational tapping under defined amplitude, frequency, and cycle count—the instrument delivers reproducible volumetric compression data essential for material characterization in pharmaceutical, battery, metallurgical, and chemical R&D and QC environments. Unlike static density measurements, tap density reflects the packing behavior of particulate materials after exposure to gravitational and kinetic energy inputs, directly informing flowability, compressibility, and dosage uniformity assessments. The JZ-10B implements dual independent test stations, enabling parallel evaluation of two distinct samples or duplicate runs under identical parameters—critical for statistical validation and throughput optimization in regulated workflows.
Key Features
- Dual-station architecture with fully independent operation per station—no cross-interference between simultaneous tests.
- Precision-engineered tapping mechanism combining vertical oscillation (3.0 ± 0.2 mm amplitude) with synchronized horizontal rotation, ensuring uniform surface leveling and minimizing channeling or segregation artifacts during compaction.
- Four-step selectable tapping frequency (100, 200, 250, or 300 taps per minute), adjusted via front-panel rotary switch for rapid method alignment with pharmacopeial or industrial standards.
- Programmable tap count from 1 to 9999 cycles, controlled by microprocessor-based timing circuitry with non-volatile memory retention.
- Modular cylinder mounting system: borosilicate glass cylinders (25 mL and 100 mL, supplied in pairs per station) are tool-free detachable for cleaning, calibration verification, or substitution with custom volumes (e.g., USP-compliant 10/25/100 mL).
- Thermal management via rear-mounted multi-port ventilation grid, sustaining stable motor performance during extended batch testing (>8 h continuous duty).
- Integrated real-time status indicators—including tap counter, frequency mode, and cycle completion signal—for unambiguous operational feedback.
Sample Compatibility & Compliance
The JZ-10B accommodates dry, non-cohesive to moderately cohesive powders including metal alloys (e.g., Ni, Co, Al powders), ceramic precursors, active pharmaceutical ingredients (APIs), excipients, food-grade starches, catalyst supports, and cathode/anode materials for lithium-ion batteries. It strictly conforms to measurement protocols specified in GB/T 5162–2021 (“Metallic Powders — Determination of Tap Density”), GB/T 31057.2–2018 (“Particulate Materials — Physical Property Testing — Part 2: Tap Density Measurement”), and Chinese Pharmacopoeia 2020 Edition General Chapter 0993 (“Determination of Bulk Density and Tap Density”). While not intrinsically 21 CFR Part 11 compliant, its deterministic hardware control logic, audit-ready digital output logs, and traceable parameter configuration support integration into GLP/GMP environments when paired with validated software workflows and procedural documentation.
Software & Data Management
The included standalone Windows-compatible application (JZ-Density v3.x) performs automated calculation of both tap density (ρt = m/Vt) and bulk density (ρb = m/Vb), where mass (m) is entered manually or imported via optional balance interface, and final tapped volume (Vt) and initial bulk volume (Vb) are recorded via user input or barcode-scanned cylinder IDs. All raw inputs, intermediate values, and final results are timestamped and stored in a local SQLite database. Reports export natively to PDF (print-ready with header/footer), Microsoft Word (.docx), and Excel (.xlsx) formats—including embedded metadata (operator ID, date/time, instrument SN, test parameters). No cloud dependency or online activation is required; software installation is unrestricted across laboratory workstations.
Applications
- Pharmaceutical development: Excipient qualification, blend uniformity assessment, capsule fill weight prediction, and regulatory submission dossier preparation per ICH Q5C and Q8(R2).
- Battery materials QA: Cathode (NMC, LFP) and anode (graphite, silicon composite) powder densification profiling prior to slurry mixing and electrode calendering.
- Metallurgy & additive manufacturing: Pre-sintering characterization of gas-atomized Ti-6Al-4V, Inconel 718, or stainless steel 316L powders per ASTM B527 and ISO/ASTM 52921.
- Food & cosmetics: Flow aid efficacy testing, ingredient dispersion modeling, and packaging volume optimization for powdered dairy, spices, or mineral pigments.
- Academic research: Correlation studies between particle morphology (via SEM), specific surface area (BET), and dynamic packing behavior under variable tap intensities.
FAQ
What standards does the JZ-10B comply with?
It adheres to GB/T 5162–2021, GB/T 31057.2–2018, and ChP 2020 General Chapter 0993. Optional calibration certificates traceable to NIM (National Institute of Metrology, China) are available upon request.
Can the instrument be used for moisture-sensitive powders?
Yes—provided ambient humidity is controlled (<40% RH) and cylinders are pre-conditioned, as the system operates in open-air configuration without inert gas purging or environmental chamber integration.
Is third-party software validation supported?
The device outputs structured CSV/Excel files compatible with IQ/OQ/PQ protocol templates. Full 21 CFR Part 11 compliance requires supplementary electronic signature modules and audit trail configuration within the user’s validated IT infrastructure.
How is repeatability verified?
Per GB/T 5162–2021, three consecutive determinations on the same sample must yield relative standard deviation (RSD) ≤1%. The JZ-10B achieves this routinely using certified reference powders (e.g., tungsten carbide SRM 1978).
Are replacement cylinders and accessories available?
Yes—standard 25 mL and 100 mL borosilicate cylinders, silicone O-rings, calibration weights, and USB-to-serial adapters are stocked and shipped globally with lead time <5 business days.
