Dgb-401 Multi-Parameter Water Quality Analyzer

• After-sales Service: Free Spare Parts
• Application: Laboratory Apparatus
• Warranty: 1 Year
• Detection Method: Spectrophotometer
• Advantage: High Sensitive
• Principle: New Spectrometer
• Model NO.: DGB-401
• Wavelengths: UV Spectrometer
• Dispersive Element: Grating Spectrometer
• Light Number: Monochromator
• Certification: ISO9001, CE
• Customized: Customized
• Model: Dgb-401
• Transport Package: Carton/Plywood
• Trademark: Xiangyi
• Origin: China
• HS Code: 9027300000
• Production Capacity: 100 PCS/Month

Product Description

Main feature

1. Built-in four LED light sources of 420nm, 470nm, 620nm and 700nm, long life and high precision;
2. Using spectrophotometry, built-in high and low chemical oxygen demand (COD), ammonia nitrogen, total phosphorus four test items;
3. Support single-point and multi-point calibration, allowing users to edit calibration curves;
4. Supports two measurement methods: absorbance and concentration;
5. Support two reading modes: Smart-Read function (smart judging end point), Cont-Read function (continuous measurement);
6. Each test item can store 200 sets of measurement results, conform to the GLP specification, and support data review, deletion and printing;
7. Support USB communication, support connection to PC for data acquisition;
8. 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;
9. IP65 protection grade, good waterproof and dustproof performance;
10. Support firmware upgrade, support for factory reset, allow for function expansion and application expansion.

Technical Parameters

model		DGB-401
wavelength		420nm; 470nm; 620nm; 700nm
Measuring range	Ammonia nitrogen	(0.000 ~ 4.000) mg / L, can be extended to (0.000 ~ 300.00) mg / L
	Low concentration COD	(0.0~150.0)mg/L
	High concentration COD	(150~1500)mg/L
	Total phosphorus	(0.000~1.000)mg/L, can be extended to (0.000~25.00)mg/L
Basic error	Ammonia nitrogen	±10%
	Low concentration COD	±8%
	High concentration COD	±8%
	Total phosphorus	±10%
Repeatability	Ammonia nitrogen	±3%
	Low concentration COD	±3%
	High concentration COD	±3%
	Total phosphorus	±3%
stability	Ammonia nitrogen	The change of ammonia nitrogen concentration within 20min should be less than 0.200mg/L
	Low concentration COD	The change of COD value within 20min should be less than 6mg/L
	High concentration COD	The change of COD value within 20min should be less than 6mg/L
	Total phosphorus	The change of total phosphorus concentration within 20min should be less than 0.050mg/L