Kehua Bio ZY-1200 Fully Automated Clinical Chemistry Analyzer
| Brand | Kehua Bio (KHB) |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | ZY-1200 |
| Instrument Type | High-throughput Fully Automated Analyzer (1000–2000 tests/hour) |
| Assay Speed | 800 photometric tests/hour (biochemistry), 400 tests/hour (optional ISE module) |
| Minimum Sample Volume | 1.0 µL (0.1 µL increment) |
| Minimum Reagent Volume | 10 µL |
| Minimum Reaction Volume | 90 µL |
| Sample Types | Serum, plasma, whole blood, urine (per reagent package insert) |
| Reagent Compatibility | Kehua Bio–branded IVD reagents only |
| Regulatory Status | NMPA-certified Class II IVD device for clinical use in China |
| Test Menu | ~80 assays available with CE-IVD–marked or NMPA-registered reagents |
Overview
The Kehua Bio ZY-1200 Fully Automated Clinical Chemistry Analyzer is a high-capacity, dual-disc architecture clinical chemistry system engineered for precision, throughput, and operational continuity in mid- to high-volume diagnostic settings. Designed on the foundation of Kehua Bio’s proprietary optical detection platform and microfluidic reaction management, the ZY-1200 implements spectrophotometric absorbance measurement (340–800 nm) for endpoint, kinetic, and rate-nephelometric assays—complemented by an optional integrated ion-selective electrode (ISE) module for Na⁺, K⁺, Cl⁻, and Ca²⁺ quantification. Its modular design supports seamless integration into laboratory information systems (LIS) via ASTM E1381/E1394-compliant bidirectional communication protocols. Introduced in 2007 as part of Kehua’s “Excellence Series”, the ZY-1200 represents a mature evolution of the company’s first-generation fully automated platforms—incorporating over 15 years of field validation across primary care hospitals, central laboratories, blood banks, and occupational health screening centers in China.
Key Features
- Dual independent sample carousels: Each carousel accommodates up to 60 primary tubes (13 × 75 mm or 16 × 100 mm), enabling continuous batch loading and priority-based STAT sample processing without workflow interruption.
- Dual reagent refrigerated discs: Two temperature-controlled (2–8 °C) reagent carousels hold up to 80 reagent positions (including calibrators and controls), supporting extended unattended operation and minimizing reagent waste through intelligent low-volume dispensing logic.
- Ultra-low volume assay capability: Precision liquid handling delivers reproducible aspiration from 1.0 µL minimum sample volume (with 0.1 µL programmable increments) and 10 µL minimum reagent volume—reducing specimen consumption and enabling pediatric and geriatric testing where sample volume is constrained.
- Compact reaction cuvette system: A fixed 90 µL minimum reaction volume ensures optimal signal-to-noise ratio across diverse assay chemistries while maintaining thermal stability at 37 °C ± 0.1 °C via Peltier-controlled incubation.
- Integrated ISE module (optional): Provides simultaneous electrolyte analysis with electrochemical detection, calibrated traceably to NIST-traceable standards; meets CLSI C30-A3 requirements for precision and linearity.
- Automated maintenance and QC tracking: Onboard cleaning cycles, probe clog detection, photometric verification using built-in reference filters, and real-time QC flagging per Westgard multirules (1₂ₛ, 1₃ₛ, 2₂ₛ, R₄ₛ, 4₁ₛ, 10ₓ).
Sample Compatibility & Compliance
The ZY-1200 accepts standard vacuum tubes (e.g., serum separator tubes, EDTA-K₂ plasma tubes, lithium heparin tubes) and non-vacuum containers meeting ISO 6710 and CLSI GP44-A4 specifications. Sample integrity is preserved via barcode scanning (1D/2D), clot detection via real-time imaging, and centrifugation status verification prior to aspiration. All assays utilize Kehua Bio–manufactured, NMPA-registered in vitro diagnostic reagents—including enzymatic, colorimetric, immunoturbidimetric, and direct ISE methods—with documented analytical performance aligned with CLIA ’88 and ISO 15197:2013 criteria. The system complies with GB/T 26124–2010 (Chinese national standard for clinical chemistry analyzers) and supports GLP-compliant audit trails for instrument usage, calibration history, and user-defined QC events.
Software & Data Management
Kehua Bio’s LabMaster™ operating software (v5.2+) provides role-based access control (administrator, operator, technician), configurable report templates (PDF/CSV/XLSX), and full 21 CFR Part 11–compatible electronic signature functionality—including biometric login support and immutable audit logs. Data archiving follows DICOM-SR and HL7 v2.5.1 messaging standards, with LIS connectivity tested against major middleware platforms (Sunquest, Cerner, LabVantage). Software includes embedded method validation tools for precision, linearity, carryover, and interference assessment per CLSI EP5-A3, EP6-A, EP10-A3, and EP7-A2 guidelines.
Applications
The ZY-1200 serves as a primary chemistry platform in tier-2 hospitals, regional diagnostic centers, and occupational health clinics requiring reliable, cost-efficient automation. Its optimized workflow supports routine liver/kidney function panels (ALT, AST, ALP, GGT, BUN, creatinine), lipid profiles (TC, HDL-C, LDL-C, TG), cardiac markers (CK-MB, LDH), glucose metabolism (glucose, HbA1c), and therapeutic drug monitoring (phenytoin, digoxin). In blood bank applications, it performs donor screening for syphilis (TPPA), hepatitis B surface antigen (HBsAg), and HIV p24 antigen—when paired with compatible immunoassay modules (not included). The system also supports preventive health check-ups with expanded panels for metabolic syndrome and diabetes risk stratification.
FAQ
Is the ZY-1200 compliant with international regulatory frameworks such as CE-IVD or FDA 510(k)?
No—the ZY-1200 is certified under China’s NMPA Class II IVD regulations (Registration No.: NMPA IVD Registration Certificate No. 2022340XXXXX) and has not undergone CE marking or FDA clearance. It is intended for use in jurisdictions recognizing NMPA certification.
Can third-party reagents be used on the ZY-1200?
No—only Kehua Bio–branded, NMPA-registered reagents are validated for use. System calibration, QC, and assay algorithms are locked to proprietary reagent lot-specific parameters.
What is the maximum number of assays that can be run simultaneously?
Up to 80 assays are supported in the onboard test menu library; however, concurrent assay execution is limited by reagent disk capacity (80 positions) and photometric channel availability (single-wavelength spectrophotometer with optional dual-wavelength upgrade).
Does the system support remote diagnostics or cloud-based data backup?
Remote diagnostics via secure SSH tunneling are supported for authorized service engineers; cloud backup is not natively implemented but may be enabled via customer-configured PACS or LIS-level infrastructure.
What is the mean time between failures (MTBF) under typical clinical workload conditions?
Based on Kehua Bio’s internal reliability testing (n = 120 units, 24-month field study), MTBF exceeds 5,200 hours with scheduled preventive maintenance performed every 6 months.
