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Name:DGB-401 multi-parameter water quality analyzer
Ammonia:(0.000~4.000)mg/L, support to(0.000~300.00)mg/L
Low Conc. COD:(0.0~150.0)mg/L
High Conc. COD:(150~1500)mg/L
Total phosphorus:(0.000~1.000)mg/L, support to(0.000~25.00)mg/L

Model

DGB-401

Ammonia

Range

(0.000~4.000)mg/L, support to(0.000~300.00)mg/L

Accuracy

±10%

Repeatability

±3%

Fluctuation

0.200mg/L (20min)

Low Conc. COD

Range

(0.0~150.0)mg/L

Accuracy

±8%

Repeatability

±3%

Fluctuation

6mg/L (20min)

High Conc. COD

Range

(150~1500)mg/L

Accuracy

±8%

Repeatability

±3%

Fluctuation

6mg/L (20min)

Total phosphorus

Range

(0.000~1.000)mg/L, support to(0.000~25.00)mg/L

Accuracy

±10%

Repeatability

±3%

Fluctuation

0.050mg/L (20min)

General

Light Wavelength

420nm,470 nm,620 nm,700 nm

Power Supply

AA Battery or 5V DC 1A

Dimension (mm)& Weight (kg)

230*86*47, 0.4


  • 4 LED light source (420nm、470nm、620nm、700nm).

  • Methods for COD, ammonia, total phosphorus are pre-installed with calibration curves built-in.

  • Multi-point calibration feature is supported.

  • Multi-reading feature allows auto-read and continuous-read.

  • Data capacity of up to 200 sets for each wavelength (GLP-compliant).

  • Data stored can be transferred into the computer by USB communication interface.

  • Auto-power-off feature effectively extends the battery usage time.

  • Reset feature restore all option to factory default options.

  • IP65 waterproof.


The DGB-401 multi-parameter water quality analyzer (hereinafter referred to as the instrument) is an analytical instrument with very high analytical accuracy. The instrument adopts new LED test technology, integrates LED light sources of multiple wavelengths, and abandons the traditional complex and heavy light path system. The instrument has the advantages of small size and convenient operation. It is greatly convenient to directly use the colorimetric tube as the container for digestion and measurement. Up the user. It is mainly suitable for the determination of industrial wastewater or other water quality in coking, papermaking, petrochemical, printing and dyeing, fur, tanning, pharmaceuticals, reagents, food processing, etc.

The DGB-401 multi-parameter water quality analyzer (hereinafter referred to as the instrument) is an analytical instrument with very high analytical accuracy. The instrument adopts new LED test technology, integrates LED light sources of multiple wavelengths, and abandons the traditional complex and heavy light path system. The instrument has the advantages of small size and convenient operation. It is greatly convenient to directly use the colorimetric tube as the container for digestion and measurement. Up the user. It is mainly suitable for the determination of industrial wastewater or other water quality in coking, papermaking, petrochemical, printing and dyeing, fur, tanning, pharmaceuticals, reagents, food processing, etc.

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