RB-201 COD ammonia nitrogen dual parameter detector

NegotiableUpdate on 05/22

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Overview

Instrument name: COD ammonia nitrogen dual parameter detector Instrument model: RB-201 Detection method: Potassium dichromate rapid digestion photometric method (COD), Nessler's reagent photometric method (ammonia nitrogen) Applicable scope: self inspection of enterprise sewage, third-party testing, water treatment plants, university research institutes, etc. 24-hour sales hotline: (same WeChat account), 2175018250 (QQ) 1. Introduction RB-201 COD ammonia nitrogen dual parameter detector can quickly and effectively determine the COD and ammonia nitrogen content of water quality. Fast measurement, direct reading of concentration, suitable for determining water quality of industrial wastewater, domestic sewage, surface water, etc. 2、 Technical Parameters Table 1 RB-201 COD Ammonia Nitrogen Dual Parameter Detector Technical Parameters Measurement Parameters COD (Chemical Oxygen Demand) Ammonia Nitrogen Measurement Method Rapid digestion spectrophotometric method Nessler's reagent spectrophotometric method Measurement range 0-10000 mg/L (segmented determination) 0-50 mg/L (segmented determination) Accuracy 5% (F.S) Repeatability 5% Digestion temperature 165 ℃ .....

Product Details

Instrument name:COD ammonia nitrogen dual parameter detector
Instrument model:RB-201
Testing method:Potassium dichromate rapid digestion photometric method (COD), Nessler's reagent photometric method (ammonia nitrogen)
Scope of application:Self inspection of enterprise wastewater, third-party testing, water treatment plants, university research institutes, etc
24-hour sales hotline:(Same as WeChat), 2175018250 (QQ)

Brief introduction

The RB-201 COD ammonia nitrogen dual parameter detector can quickly and effectively measure the COD and ammonia nitrogen content in water quality. Fast measurement, direct reading of concentration, suitable for determining water quality of industrial wastewater, domestic sewage, surface water, etc.

2、 Technical parameters

Table 1 Technical parameters of RB-201 COD ammonia nitrogen dual parameter detector

Measurement parameters	COD (Chemical Oxygen Demand)	Ammonia nitrogen
measuring method	Rapid digestion spectrophotometry	Nessler's reagent spectrophotometric method
Measurement range	0-10000 mg/L (segmented measurement)	0-50mg/L (segmented measurement)
accuracy	≤±5%（F.S）
repeatability	≤±5%
Dissolving temperature	165 ℃, 15 minutes		Room temperature, 10 minutes
Anti chlorine interference	＜ 1000mg/L (exceeding dilution measurement)		-
optical system	420nm (low range) 600nm (medium and high range)		420nm
Light source lifespan	>100000 hours
Batch processing volume	12 water samples (optional 9 or 25)
Instrument dimensions	270200120mm
Instrument weight	Host weight<2kg
Instrument power supply	AC(220V±5%)，50Hz
ambient temperature	5~40℃
ambient humidity	≤ 85% non condensing

3、 Functional Features

1. All projects comply with relevant standards and the measurement results are accurate and effective.

2. Adopting a single wavelength cold light source, unique optical circuit design, strong anti-interference ability, high measurement data accuracy, and good stability.

3. Wide measurement range, built-in multiple working curves, and range selection based on the actual situation of the water sample.

4. Each testing item adopts independent measurement channels and does not interfere with each other.

5. Separate the testing host from the digestion instrument to reduce interference and increase the lifespan of the instrument.

6. Temperature control range of digestion instrument: ≤ 200 ℃, freely set, time control range ≤ 999 minutes, automatic timing;

7. Large screen LCD display, Chinese operation panel, simple and convenient.

8. It has data storage function (with timestamp, concentration, etc.), which can save 30000 measurement data and 100 standard curves.

9. Power off protection function ensures that the instrument is not damaged and measurement data is not lost.

10. There is a data output interface that can be connected to a computer to transmit measurement data to the computer.

11. The digestion instrument adopts an automatic constant temperature control system and PID regulation technology, ensuring a constant temperature and high accuracy during the digestion process.

12. Intelligent design for fault self diagnosis makes instrument management and maintenance simple and convenient.

13. 7-point calibration mode, automatically calculates slope, intercept, and correlation coefficient, with high measurement accuracy.

14. Optional printer that can directly print measurement data and historical data;

15. Expandable detection indicators for total phosphorus, total nitrogen, suspended solids, turbidity, chromaticity, residual chlorine, nitrite, etc.

4、 Standard List

	 Table 2 Standard List of RB-201 COD Ammonia Nitrogen Dual Parameter Detector

Serial Number	name	quantity	Serial Number	name	quantity
1	Measurement host	1 unit	8	power line	2 pieces
2	12 hole intelligent digestion instrument	1 unit	9	data line	1 piece
3	Dissolve the protective cover	1 piece	10	Colorimetric dish	8 of them
4	COD reagent	1 set	11	Colorimetric dish rack	1 piece
5	Ammonia nitrogen reagent	1 set	12	Certificate of Conformity/Warranty Card	1 copy
6	Dissolving tube cooling rack	1 piece	13	operation instructions	1 copy
7	Dissolving tube	12 pieces