LEICI DGB-428 Optoelectronic Colorimetry Water Quality Analyzer Water Hardness Urea
Features such as compact and portable, LCD display, multi-point calibrating, support for GLP specifications, automatic shutdown and power-off protection. The instrument is designed for water Hardness and urea parameter measurement.
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DGB-422 photoelectric colorimetric Water Quality Analyzer adopts the new LED testing technology, integrates the LED light source of the specific absorption peak wavelength, the standard curve is built-in, and the colorimetric tube is directly used as the measurement container, which is small in size, convenient for users to operate and carry. This series of products can be used for the measurement of water hardness and urea parameters (this series of instruments can be extended to customize ammonia nitrogen, total phosphorus, permanganate index, aluminum, total hardness, residual chlorine, total chlorine, chlorine dioxide, urea and other project parameters), suitable for on-site determination or laboratory analysis of surface water, industrial wastewater, ** wastewater, landscape water, domestic (CN) drinking water, swimming pool water and other water quality of sewage regeneration.
Features
LED testing technology, small size, stable signal;
LCD liquid crystal display, with backlight, LCD contrast and backlight time can be adjusted;
It has a good Chinese man-machine interface and supports IP65 protection level;
Automatic locking of the measured value and direct reading of the measurement result without conversion;
It is easy to operate, and the colorimetric tube can be directly used as a measuring container;
Built-in calibration curve for direct measurement;
Support multi-point calibration (up to 5 points) to meet the requirements of high-precision measurement;
Support GLP specification to meet the functions of data storage, viewing, deletion and printing;
It has automatic shutdown function and power-off protection function, and the automatic shutdown time can be set to reduce power consumption and ensure data security;
Battery-powered (4 AA alkaline batteries) or direct USB port power;
With USB interface, support connection with PC, printer, etc.;
Support firmware upgrade, allow function expansion and application expansion, to meet the measurement needs of special users;
Specifications of cuvettes: outer diameter 16mm*length 100mm, capacity 10ml
LeiCi DGB-422 Portable multiparameter Water Quality AnalyzerSpecifications
| LIST | VALUE |
|---|---|
| Measurement parameters | Water Hardness, Urea |
| Measuring method | Water Hardness: Calcium mg Reagent Method; Urea: Diacetyl-Oxime-Antipyrine Spectrophotometric method, spec-trophotometry |
| Light source wavelength | Water Hardness: 470nm: Urea: 470nm |
| Measurement range | Water Hardness: 0.000~500.0mg/L: Urea: 0.000~5.000mg/L |
| Error of indication | Water Hardness : +/- 5 mg/L +/- 5% indication mg/L: urea: ≤ 1mg/L +/- 0.1mg/L; > 1mg/L +/- 5% |
| Repeatability | Water Hardness: ≤ 2.5% or 0.5% FS: Urea: ≤ 3% |
LeiCi DGB-422 Portable multiparameter Water Quality Analyzer Packing list
[Note] Because the manufacturer's packaging may be updated or upgraded, the detailed packaging list shall be subject to the latest standard configuration of the manufacturer.
FAQ
- Factors to Consider in Hardness Testing
- What is hardness and how to measure it
- What are the hardness test methods?
- Basic knowledge of hardness testing
- How to monitor the pH and other water quality parameters of aquarium water?
- ActiveGB/T 693-2024
- ActiveJJF 1565-2016
- Active 126-2009
- Active 271-2018
- ActiveSL 144.2-2008
- ActiveJJF 1949-2021
- ActiveHJ 2515-2012


DGB-422






