T9008 BOD Water Quality On-line Automatic Monitor

Short Description:

Product Principle:
Water sample, potassium dichromate digestion solution, silver sulfate solution (silver sulfate as a catalyst to join can more effectively straight-chain fatty compound oxide) and sulfuric acid mixture is heated to 175 ℃, dichromate ion oxide solution of organic matter after color change, analyzer to detect the changes in color, and the change of conversion into BOD value output and consumption of dichromate ion content of oxidizable organic matter quantity.


  • Measuring range: 10~2000mg/L
  • Human-machine operation: Touch screen display and instruction input
  • Data storage: No less than half a year data storage
  • Input interface: Switch quantity
  • Output interface: Two RS485 digital output, One 4-20mA analog output

Product Detail

Product Tags

T9008 BOD Water Quality On-line Automatic Monitor

BOD Water Quality On-line Automatic Monitor                                                              BOD Water Quality On-line Automatic Monitor

 

Product Principle:

Water sample, potassium dichromate digestion solution, silver sulfate solution (silver sulfate as a catalyst to join can more effectively straight-chain fatty compound oxide) and sulfuric acid mixture is heated to 175 ℃, dichromate ion oxide solution of organic matter after color change, analyzer to detect the changes in color, and the change of conversion into BOD value output and consumption of dichromate ion content of oxidizable organic matter quantity.

Technical Parameters:

No.

Name

Technical Parameters

1

Application Range

This product is suitable for wastewater with chemical oxygen demand in the range of 10~2000mg/L and chloride concentration lower than 2.5g/L Cl-. It can be extended to wastewater with chloride concentration lower than 20g/L Cl- according to customers’ actual demand.

2

Test Methods

Potassium dichromate was digested at high temperature and colorimetric determination.

3

Measuring range

10~2000mg/L

4

Lower limit of Detection

3

5

Resolution

0.1

6

Accuracy

±10% or ±8mg/L(Take the bigger value)

7

Repeatability

10% or 6mg/L(Take the bigger value)

8

Zero Drift

±5mg/L

9

Span Drift

10%

10

Measurement cycle

Minimum 20 minutes. Depending on the actual water sample, the digestion time can be set from 5 to 120min.

11

Sampling period

Time interval (adjustable), integral hour or trigger measurement mode can be set.

12

Calibration cycle

Automatic calibration (1-99 days adjustable), according to actual water samples, manual calibration can be set.

13

Maintenance cycle

Maintenance interval is more than one month, about 30 minutes each time.

14

Human-machine operation

Touch screen display and instruction input.

15

Self checking protection

Working status is self-diagnostic, abnormal or power failure will not lose data. Automatically eliminates residual reactants and resumes work after abnormal reset or power failure.

16

Data storage

No less than half a year data storage

17

Input interface

Switch quantity

18

Output interface

Two RS485 digital output, One 4-20mA analog output

19

Working Conditions

Working indoors; temperature 5-28℃; relative humidity≤90% (no condensation,no dew)

20

Power Supply and Consumption

AC230±10%V, 50~60Hz, 5A

21

Dimensions

355×40600(mm)

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