Chengdu Jingxin JZ-10A Tap Density Tester
| Brand | Chengdu Jingxin (CDJX) |
|---|---|
| Origin | Sichuan, China |
| Manufacturer Type | Manufacturer |
| Origin Category | Domestic |
| Model | JZ-10A |
| Price Range | USD 920–1,120 (FOB) |
| Application Field | General-purpose density measurement |
| Instrument Type | Tap density tester |
| Instrument Form Factor | Benchtop (not portable — corrected per ISO 3953 and USP <616> classification) |
| Sample Type | Solid powders & granules |
| Density Measurement Range | 0–10 g/cm³ |
| Primary Function | Determination of tap density and bulk density of free-flowing powders |
| Density Accuracy | ±1% repeatability (per ISO 3953:2022 Annex B & USP <616>) |
| Tap Amplitude | 3.0 ± 0.2 mm |
| Tap Count Range | 1–9999 cycles (user-programmable) |
| Tap Frequency Options | 100, 200, 250, or 300 taps/min |
| Test Vessel | Two included 100 mL borosilicate glass graduated cylinders (ISO/USP-compliant) |
| Dimensions (L×W×H) | 455 × 280 × 125 mm |
| Net Weight | ~15 kg |
| Power Supply | AC 220 V, 50/60 Hz, 110 W |
Overview
The Chengdu Jingxin JZ-10A Tap Density Tester is a benchtop instrument engineered for the standardized determination of tap density (also known as tapped density) and bulk density of dry, free-flowing powders and granular solids. It operates in strict compliance with internationally recognized methodologies—including ISO 3953:2022 Determination of tap density of metal powders, ASTM B527-19 Standard Test Method for Tap Density of Metal Powders, USP Tapped Density and Bulk Density, and Chinese Pharmacopoeia 2020 Edition General Chapter 0993. The instrument employs a dual-motion mechanical actuation system: vertical tapping combined with controlled rotational motion of the sample cylinder. This synchronized motion ensures uniform powder compaction and minimizes surface segregation or channeling—critical factors influencing measurement reproducibility. Unlike single-axis vibratory densitometers, the JZ-10A’s integrated rotation-tap mechanism aligns with USP requirements for “tapping with simultaneous rotation” to achieve planar powder surface homogeneity prior to volumetric reading. Its microprocessor-controlled timing circuitry enables precise, repeatable cycle counts and frequency selection, supporting method development and regulatory validation across QC, R&D, and GMP environments.
Key Features
- Programmable tap count (1–9999 cycles) via embedded microcontroller timer—fully traceable and auditable for GLP/GMP documentation.
- Four discrete tap frequency settings (100, 200, 250, 300 taps/min), selected via rotary switch; all frequencies calibrated against traceable metrology standards.
- Fixed amplitude of 3.0 ± 0.2 mm, compliant with ISO 3953, USP , and CP 2020 specifications—mechanically stabilized via stainless-steel linear guide rods and precision cam drive.
- Simultaneous vertical tapping and horizontal rotation (±5°) of the sample cylinder to maintain level powder surface and eliminate void stratification.
- Quick-release cylinder holder accommodates standard USP/ISO-compliant borosilicate glass cylinders (100 mL supplied); supports optional 25 mL, 50 mL, or custom vessels upon request.
- Passive ventilation design with rear perforated heat-dissipation panel—enables continuous operation over extended test sequences without thermal drift.
- Benchtop footprint (455 × 280 × 125 mm) and low power consumption (110 W) suitable for shared lab environments and ISO Class 7/8 cleanrooms.
Sample Compatibility & Compliance
The JZ-10A is validated for use with a broad spectrum of industrially relevant particulate materials, including but not limited to: elemental and alloy metal powders (e.g., Ti-6Al-4V, Inconel 718, SS316L), ceramic precursors (Al₂O₃, ZrO₂), pharmaceutical excipients (microcrystalline cellulose, lactose monohydrate), battery cathode/anode materials (LiCoO₂, graphite), food-grade starches and dairy powders, and agrochemical granules. All testing protocols adhere to the sample mass limits defined in ISO 3953 (≤500 g per vessel) and USP (sufficient volume to fill cylinder ≥50% pre-tap). The instrument meets mechanical safety requirements per IEC 61010-1:2010 and electromagnetic compatibility (EMC) per IEC 61326-1:2021. Documentation includes full calibration certificate traceable to NIM (China National Institute of Metrology) and factory verification reports aligned with ASTM E29-23 for significant figures and rounding consistency.
Software & Data Management
The included Jingxin Tap Density Analysis Software (v3.2+) runs on Windows OS (7/10/11, 64-bit) and provides fully compliant data acquisition, calculation, and reporting. Input parameters—initial mass, pre-tap volume, post-tap volume, tap count, and frequency—are entered manually or imported via CSV. The software computes tap density (ρt = m/Vt) and bulk density (ρb = m/Vb) with automatic rounding to 0.01 g/cm³ per ISO 80000-1:2022. All raw inputs, intermediate values, and final results are stored in an encrypted local SQLite database with immutable timestamps. Audit trail functionality logs user ID, session start/end time, parameter modifications, and export events—supporting FDA 21 CFR Part 11 electronic record requirements when deployed with Windows domain authentication. Reports export natively to PDF (print-ready, watermarked), Word (.docx), and Excel (.xlsx) formats; no cloud dependency or third-party licensing required.
Applications
- Quality control of metal powders for additive manufacturing (ASTM F3049-22 qualification workflows).
- Excipient characterization in solid dosage form development per ICH Q5C and Q6A guidelines.
- Electrode slurry formulation support for lithium-ion battery manufacturing (anode/cathode density correlation with coating weight and porosity).
- Regulatory submission dossier preparation for ANDA, NDA, or MA application dossiers requiring USP -compliant density data.
- Fundamental powder flowability assessment via Carr Index and Hausner Ratio derivation from ρb and ρt.
- Teaching laboratory implementation for materials science and pharmaceutics curricula—aligned with ASTM E2917-22 educational standards.
FAQ
Is the JZ-10A compliant with FDA 21 CFR Part 11 for electronic records?
Yes—when used with domain-authenticated Windows systems and enabled audit trail logging, the software satisfies predicate rule requirements for electronic signatures, record retention, and change control.
Can the instrument accommodate non-standard cylinder sizes?
Yes—the quick-release holder accepts any cylindrical vessel with outer diameter ≤35 mm and height ≤150 mm, provided dimensional tolerances meet ISO 3953 Annex A specifications.
What is the measurement uncertainty for tap density under routine use?
Based on inter-laboratory validation per ISO 5725-2:2022, typical expanded uncertainty (k=2) is ±0.03 g/cm³ for powders with ρt between 1.5–4.5 g/cm³, assuming operator training and environmental control (23 ± 2 °C, 40–60% RH).
Does the JZ-10A require annual recalibration?
Per ISO/IEC 17025:2017 Clause 6.5.2, we recommend annual verification using certified reference masses and displacement standards; full calibration is advised after mechanical impact or relocation.
Is technical support available in English with remote diagnostics capability?
Yes—Chengdu Jingxin provides bilingual (English/Chinese) application engineering support, firmware updates, and remote desktop-assisted troubleshooting via TeamViewer or AnyDesk under signed NDA.
