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| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Model | Dr-W510 |
| Instrument Type | Benchtop Laboratory Analyzer |
| Detection Principle | Photometric (Absorption Spectrophotometry) |
| Detectable Metals | Multi-parameter (e.g., Pb, Cd, Cr, Cu, Zn, Ni, As, Hg via compatible reagent kits) |
| Analysis Time | ≤10 minutes per sample |
| Accuracy | ≤±5% |
| Repeatability | ≤±2% |
| Wavelength Range | 330–900 nm |
| Wavelength Accuracy | ±5 nm |
| Absorbance Resolution | 0.001 Abs |
| Optical Stability | ≤±0.005 Abs / 20 min |
| Display | 8-inch HD color capacitive touchscreen |
| Language Support | English & Chinese |
| Sample Holders | Dual-position — 360° rotatable cuvette holder & standard 25 mm round cuvette slot |
| Light Source | Imported long-life cold LED (≥100,000 h) |
| Calibration Modes | Blank, Factor, and Calibration Curve |
| Data Storage | Up to 1,000,000 measurement records |
| Connectivity | USB interface |
| Output Modes | Concentration (mg/L, µg/L) or Absorbance (Abs) |
| Printer | Built-in thermal printer |
| Housing Material | Corrosion- and heat-resistant ABS |
| Dimensions (W×D×H) | 392 × 315 × 170 mm |
| Brand | WaterDoctor |
|---|---|
| Origin | Hunan, China |
| Model | Dr-T8100 |
| Instrument Type | Benchtop Laboratory Spectrophotometer |
| Detection Elements | Chromium (Cr) |
| Detection Time | 10 min per sample |
| Accuracy | ≤ ±5% |
| Absorbance Resolution | 0.001 Abs |
| Wavelength Range | 190–1100 nm |
| Wavelength Accuracy | ±1 nm |
| Wavelength Repeatability | < 0.2 nm |
| Spectral Bandwidth | 2 nm |
| Transmittance Error | ±0.5% |
| Transmittance Repeatability | ≤ 0.2% T |
| Absorbance Repeatability | ≤ ±2% |
| Optical System | Dual-beam with Grating Monochromator |
| Light Sources | Imported Deuterium Lamp (UV), Imported Tungsten-Halogen Lamp (Vis) |
| Display | 7-inch HD capacitive touchscreen |
| Sample Holders | Dual independent positions — cylindrical cuvette (360° rotational alignment) and rectangular quartz/glass cuvette |
| Preloaded Calibration Curves | 1200 built-in methods |
| Data Storage | 1,000,000 measurement records |
| Interface | USB port for data export |
| Software Language | Chinese UI standard |
| Brand | DoctorWater |
|---|---|
| Origin | Hunan, China |
| Model | Dr-W110 |
| Instrument Type | Portable |
| Detection Principle | Photometric (Colorimetric) Method |
| Target Analyte | Chromium (Cr) |
| Detection Time | 10 min |
| Wavelength Range | 330–900 nm |
| Wavelength Accuracy | ±5 nm |
| Photometric Resolution | 0.001 Abs |
| Photometric Stability | ≤±0.005 Abs/20 min |
| Repeatability | ≤±2% |
| Accuracy | ≤±5% |
| Sample Format | 16 mm & 25 mm Cuvettes |
| Light Source | Imported Cold LED (Lifespan >100,000 h) |
| Display | 5-inch HD Color Touchscreen |
| Power Supply | Rechargeable Li-ion Battery + AC Adapter |
| Data Storage | Up to 1,000,000 Records |
| Connectivity | USB Type-C (Charging & Data Transfer) |
| Calibration Modes | Blank, Factor, and Calibration Curve |
| Readout Units | Absorbance & Concentration |
| Housing Material | Corrosion-Resistant ABS |
| Compliance | Designed in accordance with GB/T 5750 (China Standard Methods for Examination of Drinking Water) |
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