Function:
(01)Direct measurementHigh and low concentrationschemical oxygen demand(COD)Ammonia nitrogenTotal phosphorusConcentration direct reading;
(02)Display the measurement results on the large screen;
(03)One click switching of measurement parameters;
(04)Memory400Linear curve, standard curve, no need for adjustment, can be used directly,400The extended curve can be freely applied under different conditions such as personnel, environments, and wastewater;
(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 according to the number of loads, achieving intelligent constant temperature control with delay protection function;
(09)Equipped with a spray hood made of fully transparent heat-resistant material to ensure safe and reliable experiments;
(10)Automatic constant temperature reminder, automatic countdown reminder, timing 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 |
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Measurement range |
2-10000 mg/L (segmented) |
0.02-60mg/L |
0.02-20mg/L |
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measuring accuracy |
COD<50mg/L,≤±10% COD>50mg/L,≤± 5% |
≤±10% |
≤±5% |
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Minimum detection limit |
0.1mg/L |
0.01mg/L |
0.01mg/L |
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Measurement time |
20 minutes |
10-15 minutes |
35-50 minutes |
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Batch processing volume |
12Branch water sample |
12Branch water sample |
12Branch water sample |
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Repeatability |
≤±5% |
≤±5% |
≤±5% |
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Light source lifespan |
100000 hours |
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Optical stability |
≤ 0.001A/10 minutes |
≤ 0.001A/10 minutes |
≤ 0.001A/10 minutes |
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Anti chlorine interference |
[Cl-]﹤1000mg/Lno effect [Cl-]﹤4000mg/L(optional) |
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Colorimetric method |
Colorimetric dish |
Colorimetric dish |
Colorimetric dish |
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Store data |
10 thousand |
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Number of curves |
400strip |
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Display mode |
liquid crystalscreen |
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Power supply mode |
220V AC power supply |
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Dissolving temperature |
165℃±0.5℃ |
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120℃±0.5℃ |
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digestion time |
10 minutes |
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30 Minutes |
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