Qingdao Lvyu Environmental Protection Technology Co., Ltd
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LY-4DB Multi Parameter Water Quality Tester
Product Introduction: The LY-4DB multifunctional water quality analyzer is the sixth generation product of our company, which can measure high and low
Product details

workability:


(01) Directly measure high and low concentration chemical oxygen demand(COD)Direct reading of ammonia nitrogen, total phosphorus, and total nitrogen concentration;

(02) Display the measurement results on the large screen;

(03) One click switching of measurement parameters;

(04) Memory 400 curves, standard curves, no need for adjustment, can be used directly, 400 extended curves can be freely applied under different personnel, different environments, different wastewater and other conditions;

(05) The instrument can automatically calculate the storage curve based on standard samples;

(06) Can accurately store tens of thousands1Measurement data (date, time, absorbance, measurement results);

(07) Print current data and all stored historical data;

(08) The digestion power is automatically adjusted with the number of loads, achieving intelligent constant temperature control and having a delay protection function;

(09) Equipped with a spray proof cover made of fully transparent heat-resistant material to ensure the safety and reliability of the experiment;

(10) Automatic constant temperature reminderAutomatic countdown reminder, the scheduled time can be adjusted and saved freely;

(11) Room temperature~190℃ digestion temperature adjustment range, wider compatibility;

(12) Simultaneous dissolution12Branch water sample;

TECHNICAL INDEX

Measuring Item

COD

Ammonia nitrogen

total phosphorus

total nitrogen

Measurement range

2-10000 mg/L (segmented)

0.02-60mg/L

0.02-20mg/L

0.05-100mg/L (over range dilution)

measuring accuracy

COD<50mg/L,≤±10

COD>50mg/L,≤± 5

≤±10%

≤±5%

≤±5%

Minimum detection limit

0.1mg/L

0.01mg/L

0.01mg/L

0.01mg/L

Measurement time

20 minutes

10-15 minutes

35-50 minutes

7080minute

Batch processing volume

12 water samples

12 water samples

12 water samples

12 water samples

Repeatability

≤±5%

≤±5%

≤±5%

≤±5%

Light source lifespan

100000 hours

Optical stability

≤ 0.001A/10 minutes

≤ 0.001A/10 minutes

≤ 0.001A/10 minutes

≤ 0.001A/10 minutes

Anti chlorine interference

[Cl-]1000mg/Lno effect

[Cl-]4000mg/L(optional)

Colorimetric method

Colorimetric dish

Colorimetric dish

Colorimetric dish

Colorimetric dish

Store data

10 thousand

Number of curves

400 items

Display mode

LCD screen

Power supply mode

220V AC power supply

Dissolving temperature

165℃±0.5℃

120℃±0.5℃

121℃±0.5℃

digestion time

10 minutes

30 Minutes

40 minutes

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Successful operation!

Successful operation!

Successful operation!