| After-sales Service: | Following Updating |
|---|---|
| Warranty: | Under Discussion |
| Weight: | 0.4kg |
|
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| 1.Adopting 515nmLED light source, long life and high precision; |
| 2.Adopting high-performance low-power microcontroller technology, good man-machine interface; |
| 3.Support calibration-free measurement, direct reading of measurement results and automatic locking of readings; |
| 4.Support single-point and multi-point calibration, support for users to edit the calibration curve; |
| 5.Support 200 sets of test data for each of the two parameters, in line with GLP specifications; |
| 6.Support USB communication, support connecting PC for data acquisition; |
| 7.Support battery power supply and USB power supply, support power management function, can be set to automatically turn off the light source and automatic shutdown; |
| 8.IP65 protection level, good waterproof and dustproof performance; |
| 9.Support firmware upgrade, allowing function expansion and application expansion. |
| Model | DGB-402F |
| Instrument type | Single wavelength direct reading colorimeter |
| Measuring range | Residual chlorine: 0~5 mg/L; Total chlorine: 0~5 mg/L |
| Resolution | Concentration: 0.001mg/L; Absorbance: 0.001ABS |
| Display Error | Measuring range ≤1mg/L: ±0.05 mg/L; Measuring range>1mg/L: ±5% |
| Repeatability | ≤2.0% |
| Detection limit | ≤0.02mg/L |
| Light source | Light Emitting Diode (LED) |
| Wavelength | 515nm |
| Calibration | Supports up to 5 points of calibration |
| Data storage | 200 sets of test results |
| Colorimetric cell | 16mm diameter colorimeter |
| Power supply | 4 alkaline batteries (1.5V), USB power supply |
| Protection class | IP65 |
| Dimensions (mm); Weight (kg) | 230×86×47; Approx. 0.4 |
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