Biochemical Analyzer
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| Brand | Kehua Bio (KHB) |
|---|---|
| Origin | Shanghai, China |
| Model | ZY-400 |
| Instrument Type | Low-speed fully automated analyzer (0–400 tests/h) |
| Sample Types | Whole blood, serum, plasma, urine (per reagent instructions) |
| Throughput | 400 photometric tests/h (biochemistry) |
| Cross-contamination rate | <0.08% |
| Sample volume range | 1.5–70 µL (0.1 µL increment) |
| Cuvette material | Permanent optical glass |
| Reaction temperature control | Dual-phase liquid-gas thermostatic system, maintained at 37 ± 0.1 °C with real-time display and over-limit alarm |
| Calibration methods | Linear (K-factor, 2-point/multi-point), nonlinear (spline, piecewise linear, exponential, logarithmic, 3P/4P/5P logistic) |
| Analytical methods | End-point (single/dual), kinetic (rate), fixed-time, ISE potentiometry |
| Reagent refrigeration | Semiconductor-cooled reagent tray |
| Reagent monitoring | Real-time residual volume tracking with estimated remaining test count |
| Interface | Bidirectional LIS/HIS connectivity via standard network protocols (TCP/IP, ASTM, HL7) |
| User management | Role-based access control with audit trail |
| Compliance | CNAS-accredited medical laboratory validation framework |
| Power management | 24-hour continuous operation with auto-sleep/wake cycle |
| Brand | Roche |
|---|---|
| Origin | Switzerland |
| Model | Cedex Bio / Cedex Bio HT |
| Principle | Continuous Flow (Channel-Based) Analysis |
| Reagents | Roche-Approved Only |
| Sample Type | Cell Culture Supernatant |
| Analyte Scope | Substrates, Metabolites, Products |
| Throughput | High (Cedex Bio HT), Standard (Cedex Bio) |
| Regulatory Context | Designed for GMP-aligned bioprocess monitoring and QC release testing |
| Brand | Selecta |
|---|---|
| Origin | Spain |
| Model | PhotometerS-2000 |
| Measurement Principle | Continuous Flow (Flow-Through Cuvette System) |
| Detection Reagents | Selecta-branded clinical reagent kits |
| Optical System | Dual-wavelength solid-state photodiode detector with 7 fixed interference filters (340, 405, 500, 546, 578, 620, 670 nm) |
| Bandwidth | 10 nm |
| Cuvette Volume | 30 µL |
| Absorbance Range | 0.000–2.500 ABS |
| Display Resolution | 0.001 ABS |
| Computational Resolution | 0.0001 ABS |
| Temperature Control | Peltier-heated sample holder (setpoints: 25 °C, 30 °C, 37 °C |
| Light Source | 6 V / 10 W tungsten-halogen lamp |
| Lamp Life-Saving Mode | Yes |
| Display | 640 × 240 pixel LCD, 256-color graphics |
| Data Interface | RS-232 serial port |
| Ambient Operating Conditions | 15–32 °C, ≤85% RH (non-condensing) |
| Internal Storage | Up to 134 assay methods, 1000 patient results |
| Preloaded Methods | 47 most common clinical assays (e.g., cholesterol, glucose, serum iron, LDH, AST, urea) |
| Curve Fitting Algorithms | Endpoint, Kinetic, Linear Regression, Multi-Point Calibration, Best-Fit Polynomial, Bichromatic Correction |
| Control Interface | Scroll wheel or external USB mouse |
| Dimensions (H×W×D) | 41.2 × 45.3 × 33 cm |
| Power Supply | 100–220 V AC, 50–60 Hz |
| Weight | 15 kg |
| Optional Accessory | BIO-BATH metal dry-block incubator (37 °C, 8-position, for 75 × 13 mm test tubes) |
| Brand | SOOHOW INSTRUMENT |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | STS-A200 |
| Pricing Range | USD 14,000–21,000 |
| Architecture | Discrete Analytical System |
| Instrument Class | Low-Speed Fully Automated (0–400 rpm equivalent throughput logic) |
| Sample Types | Whole Blood, Serum, Plasma, Urine, Cerebrospinal Fluid (CSF) |
| Analyte Class | Specific Proteins (e.g., CRP, IgG, IgA, IgM, C3, C4, ASO, RF, HbA1c, etc.) |
| Throughput | 180 Tests per Hour |
| Optical Principle | Rate Nephelometry and/or Turbidimetry |
| Light Source | 12 V Long-Life Halogen Lamp |
| Wavelength Range | 340–700 nm (8 Fixed Wavelengths) |
| Reaction Temperature Control | 37.0 ± 0.1 °C via Solid-State Direct-Heating with Full-Circumference Thermal Sensors |
| Reaction Vessels | 40 UV-Transparent Cuvettes |
| Sample Capacity | 25 Tubes on 5-Position Rack-Based Continuous Feed |
| Dispensing Accuracy | ±5% at 3–30 µL (Sample), ±5% at 20–200 µL (Reagent) |
| Precision (CV) | ≤5% |
| Carryover | <1% |
| Stability (4h/8h) | Deviation (B) ≤ ±5% vs. Calibrator Assigned Values |
| Compliance | GB/T 14710–2009 (Environmental & Mechanical Robustness), GB 4793.1–2007 / GB 4793.9–2013 / YY 0648–2008 (Electrical Safety), GB/T 18268.1–2010 / GB/T 18268.26–2010 (EMC) |
| Brand | TECAN |
|---|---|
| Origin | Switzerland |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | ADME |
| Pricing | Available Upon Request |