BOQU COD Online Analyzer
#Grup produk P111940570
Spesifikasi
| Accuracy (%) | ≤±10 when ≥100mg/L; ≤±8mg/L when <100mg/L |
|---|---|
| Ambient Temperature Range (°C) | It should be indoor and temperature can be adjustable.The recommend temperature is +5~28 |
| Calibration Period (day) | Adjustable in 1~99 |
| Data Saved | The data can be saved when abnormal alarms and power off. |
| Dimension (LxWxH) (mm) | 450x510x1450 |
| Display | Touch screen and Command Input |
| Maintenance Period | Usually one time per month and 30minutes each time |
| Measurement Period (minute) | The minimum measurement period is 35, according to the actual water sample, The digestion time can be modified from 10 to 120. |
| Measuring Range (mg/L) | 5-1500; 100~5000; 500~15000 COD |
| Output (mA) | 4~20 (2 ways) RS232, RS485 |
| Relative Humidity (%RH) | It should be indoor and temperature can be adjustable.The recommend humidity≤90 (no dew) |
| Repeatability (%) | ≤±10 when ≥100mg/L; ≤±6mg/L when <100mg/L |
| Sampling Period | Time interval (55~9999min adjustable by yourself) and Integral time measurement mode; |
| Standard | Water Quality- Chemical oxygen demand Measurement- Potassium dichromate |
| Value Error (%) | ≤±10 when ≥100mg/L; ≤±6mg/L when <100mg/L |
| Voltage/Frequency (V/Hz) | AC220±10%, 50±10% |
| power current (A) | 5 |
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Informasi Produk
Description
CODG-3000 Online COD Analyzer use principle of the potassium dichromate method for measuring COD: the water sample, potassium dichromate, silver sulfate solution (the catalyst oxidizes the linear aromatic hydrocarbon compound more fully) and concentrated sulfuric acid are heated to 175 ° C in the digestion tank. During this period, the chromium ion is reduced as the oxidant from the VI valence to the III valence and the color is changed. The degree of color change corresponds to the content of the organic compound in the sample, and the instrument directly displays the COD of the sample by colorimetric conversion. The main interference of CODG-3000 potassium dichromate type Online COD Analyzer for wastewater cod detection is chloride, which can be removed by adding mercury sulfate to form a complex.
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