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| Brand | TIANER |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Category | Domestic |
| Model | TE-5105G |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Colorimetric Method (Nessler Reagent Spectrophotometry) |
| Measurement Range | 0.01–150 mg/L (multi-range segmented calibration) |
| Accuracy | ≤ ±5% |
| Detection Limit | 0.01 mg/L |
| Measurement Time | 15–20 min per batch |
| Throughput | 5 simultaneous sample positions |
| Optical System | Fiber-optic spectrophotometric system |
| Light Source | Imported 12 V / 20 V halogen lamp (rated lifetime ≥ 100,000 h) |
| Wavelength | 420 nm |
| Reference Channel | Fixed automatic reference channel |
| Repeatability | ≤ ±2% |
| Inter-channel Variation | ≤ ±2% |
| Display | 7-inch color TFT capacitive touchscreen |
| Sample Introduction | Automated multi-channel sampling module |
| Sample Formats | Pre-filled colorimetric tubes (liquid reagents) and cuvettes (powder reagents) |
| Data Storage | Up to 1,000,000 measurement records with timestamp, sample ID, and operator log |
| Preloaded Calibration Curves | 180 factory-validated curves (user-modifiable, extensible, and recalibratable) |
| Auto-calibration | Built-in self-calibration routine using reference standards |
| Data Output | Integrated thermal printer |
| Connectivity | USB 2.0 port + RS-232 serial interface |
| Compliance | Fully aligned with HJ 535–2009 “Water Quality — Determination of Ammonia Nitrogen — Nessler Reagent Spectrophotometric Method” |
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