Product Details
DGB-402F portable residual chlorine total chlorine analyzer is designed and developed based on DPD colorimetric method. It can directly measure residual chlorine and total chlorine in water. It is easy to use, accurate and reliable. The method conforms to the national standard for determining relevant indicators in the field of water quality analysis, and is widely used for the determination of residual chlorine and total chlorine in samples of drinking water, landscape water, medical wastewater, swimming pool water, disinfectant and the like.
Main feature
- Adopt 515nm LED light source, long life and high precision;
- High-performance low-power single-chip technology, good human-machine interface;
- Support single-point and multi-point calibration, allowing users to edit calibration curves;
- Support 200 sets of test data for two parameters, in line with GLP specifications;
- Support USB communication, support connection to PC for data acquisition;
- Support battery power and USB power supply, support power management function, can be set to automatically turn off the light source and automatically shut down;
- IP65 protection grade, good waterproof and dustproof performance;
- Support for firmware upgrades, allowing for functional extensions and application extensions.
Technical Parameters
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: 0.001 mg / L; absorbance: 0.001 ABS |
Indication error |
Measuring range ≤1mg/L: ±0.05 mg/L |
Repeatability |
Measuring range>1mg/L: ±5% |
The detection limit |
≤2.0% |
light source |
≤0.02mg/L |
wavelength |
Light-emitting diode (LED) |
calibration |
515nm |
Data storage |
200 sets of test results |
Colorimetric pool |
16mm diameter colorimetric tube |
Power supply |
4-cell alkaline battery (1.5V), USB powered |
Protection level |
IP65 |
Size (mm); weight (kg) |
Length * width * height 230 × 86 × 47; about 0.4 |
Supporting reagents
- Residual Chlorine Calibration Kit (25 times): Contains calibration solution, acid reagent, potassium iodide powder
- Residual chlorine reagent package (100 times): containing DPD powder
- Residual chlorine/total chlorine reagent package (100 times): containing DPD powder, potassium iodide powder