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Beijing Ankang Technology Co., Ltd
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    Building 6, No. 9 Dijin Road, Haidian District, Beijing
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Chemical Oxygen Demand Online Automatic Monitoring Instrument
The Chemical Oxygen Demand (COD) online analyzer is a new generation of fully automatic COD online analyzer based on the Chinese national standard met
Product details

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Product Features

★ For the first time, software integration of COD high, medium, and low ranges in one device has been achieved, making it more convenient for users to use and maintain.

★ More powerful data processing capabilities, which can automatically draw data curves for generating historical measurements.

★ Adopting a multi-channel selection liquid extraction device imported from abroad ensures high repeatability and accuracy of measurement.

★ It can realize user reverse control platform. After installing device control software (optional) on the computer, users can control and test the instrument on the computer.

★ It has printing function and can be connected to a printer (optional) to print the measured data in a timely manner.

★ Equipped with a 7-inch touch screen and a simple operating interface, it can be easy for users to learn, operate, and maintain.

★ With an extremely large data storage capacity, it enables the preservation of historical data for no less than 1 year (with a measurement interval of 1 time/2 hours). Greatly meeting the needs of customers.

★ Automatic liquid leakage alarm function, when a reagent leakage occurs, the instrument will automatically alarm and prompt the user to perform maintenance.

The quantitative measurement adopts signal automatic recognition function, ensuring high accuracy and repeatability of the measurement.

The maintenance of chemical reagents is simplified and convenient, with a monthly replacement of reagents, greatly reducing the maintenance workload for users.

The pre-treatment adopts a pipeline type to ensure the authenticity of the water sample, ensuring that the sampling is not blocked and easy to adjust.

★ It can achieve accurate measurement of COD at 20000mg/L of chloride ions, with a measurement accuracy within 10%.

★ One click upgrade of USB flash drive makes software updates easier.

Product Certification

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Specifications

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Specifications

test method

Potassium dichromate dissolution optical colorimetric method

self check

Self-monitoring of leaks; Instrument status self diagnosis

test scope

(10-200)mg/L; (20-1000)mg/L; (50-

10000) mg/L, Can expand the range according to customer needs

analog output

1 channel 0/4-20mA (expandable to 2 channels)

Offline detection

10mg/L (calibration curve method)

resolution

< 1mg/L

data communication

RS485、RS232

accuracy

>100mg/L; <10%F·S; <100mg/L; < ±6mg/L

reproducibility

<5%F·S

data storage

Can save data for more than 1 year (measurement interval of times/2 hours)

digestion time

10min, Can be adjusted arbitrarily

Sample pH

1~12

Monitoring Mode

Continuous monitoring, timed measurement, manual arbitrary measurement

Dissolving temperature

175 ℃ (adjustable)

Correction interval

Any setting

Operating Temperature

+5~+40℃

Cleaning interval

Any setting

power supply

(220±10%)VAC; (50-60)Hz

maintenance cycle

6 months, next about 30 minutes

power consumption

Less than 100VA

MTBF

>720h/time

Reagent consumption

1 month/set

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Successful operation!

Successful operation!

Successful operation!