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COD-571 chemical oxygen demand meter[The new upgrade]

Availability:
Quantity:

main feature:

  •  Using two LED light sources of 420nm and 620nm, it has long life and high precision.

  •  Built-in measurement method: high concentration COD, low concentration COD

  •  Adopt high-definition LCD screen, clear display and friendly operation interface

  •  Supports functions such as automatic shutdown, power-off protection and factory reset

  •  Support firmware upgrade function, allowing function expansion and personalized requirements

  •  IP65 protection level


Intelligent detection:

  •  Intelligently determines the end point, supports automatic reading and continuous reading

  •  Set the dilution ratio and automatically calculate the original concentration of the sample

  •  Optional built-in calibration curve or self-defined calibration curve

  •  High COD supports 1~5 point calibration, low COD supports 2~5 point calibration

  •  Support re-marking a certain marking point



Data management:

  •  Supports data storage (2000 groups in total), review, deletion, transmission and printing

  •  Comply with GLP and achieve data traceability

  •  Built-in small printer, automatic printing, optional printing format

  •  Support U disk data export

  •  With RS-232 and USB interfaces, it can be connected to PC through special communication software to realize data transmission.

Technical Parameters:

model

COD-571

Test items

Low concentration COD, high concentration COD

Low concentration
COD

Measurement methods

potassium dichromate method

Measuring range

(0.000-150.0)mg/L

Error

±8%

Repeatability

≤3%

Stability

<6mg/L(20min)

Wavelength

470nm

Whether to dissolve

Need to be digested

High concentration
COD

Measurement methods

potassium dichromate method

Measuring range

(150.0-1500)mg/L, can be expanded to 15000mg/L

Error

±8%

Repeatability

≤3%

Stability

<6mg/L(20min)

Wavelength

620nm

Need to be digested

Need to be digested

Absorbance

Measuring range

(0.000~2.000)Abs

Indication error

0.01 or +5%

Repeatability

≤0.005 or 2%

Absorbance

Measuring range

(0.000~2.000)Abs

wavelength

Measure wavelength

420nm, 620nm

Accuracy

±4nm

Transmittance

Indication error

±2%

Repeatability

≤ 0.5%

data storage

A total of 2,000 sets of test results

cuvette

10mm cuvette, 16mm cuvette

power supply

Power adapter, input AC: (100~240)V, output DC24V

Dimensions (mm); Weight (kg)

302x205x122, 1.33


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