LoHua Tech
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| Brand | LoHua Tech |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | 5B-3B(V11) |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Absorption Photometry (Multi-Wavelength Optical Detection) |
| Wavelength Range | Programmable Multi-Wavelength (e.g., 420 nm, 470 nm, 620 nm, 700 nm) |
| Measurement Range | 0–15,000 mg/L (COD equivalent) |
| Accuracy | ≤ ±5–10% of reading |
| Repeatability | ≤ ±5–10% RSD |
| Detection Limit | 2–15,000 mg/L (method-dependent) |
| Analysis Time | COD < 20 min |
| Batch Capacity | 16 / 25 / 30 samples (user-selectable cuvette rack configuration) |
| Brand | LoHua Tech |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Benchtop Laboratory Analyzer |
| Measurement Principle | Rapid Digestion Spectrophotometry |
| Wavelength Configuration | Multi-Wavelength (610 nm for COD, 420 nm for Ammonia-N) |
| Measurement Range | COD: 0–15,000 mg/L (multi-range auto-segmentation) |
| Ammonia-N | 0–160 mg/L (multi-range auto-segmentation) |
| Accuracy | ≤ ±5% of reading |
| Repeatability | ≤ ±3% RSD |
| Detection Limit | 0.006 mg/L (Ammonia-N) |
| Analysis Time | <20 min (COD), <15 min (Ammonia-N) |
| Batch Capacity | 16 samples per run |
| Data Storage | 12,000 measurement records with timestamp, instrument parameters, and result metadata |
| Calibration | Onboard curve generation via standard solution input and linear/nonlinear regression |
| Connectivity | USB interface + optional infrared wireless module |
| Thermal Control | Adaptive power modulation for 16-position digestion block with over-temperature and time-delay safety cutoff |
| Built-in Thermal Printer | Supports on-demand printout of current/historical results |
| Brand | LoHua Tech |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | 5B-6C(V10) |
| Instrument Type | Benchtop Laboratory Water Quality Analyzer |
| Measured Parameters | COD, Ammonia Nitrogen (NH₃-N), Total Phosphorus (TP), Turbidity |
| Data Storage Capacity | 16,000 measurement records |
| Integrated Digestion Unit | Yes, with intelligent heating control, programmable timer, and thermal delay protection |
| Calibration Method | Built-in curve generation and storage using standard reference solutions |
| Output Interface | USB port + infrared data transmission |
| Printing Capability | Integrated thermal printer |
| Optical System | Multi-channel interference-free optical path supporting both cuvette and tube colorimetry |
| Housing | Patented injection-molded enclosure |