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E-mail
eric@sdicelc.com
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Phone
18911571363
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Address
15th Floor, Building 6, Courtyard 2, Wuliqiao Second Street, Chaoyang District, Beijing
Beijing Zhongqing Guotou Environmental Protection Technology Co., Ltd
eric@sdicelc.com
18911571363
15th Floor, Building 6, Courtyard 2, Wuliqiao Second Street, Chaoyang District, Beijing
-Product Overview:
COD-203A COD detector is a water quality COD online monitoring instrument developed for low concentration COD detection environments. It uses potassium permanganate method to detect COD in drinking water and reflects the true situation of organic matter content in the water body.
-Working principle:
The CODMn (potassium permanganate index)/COD manganese analyzer is used to measure at 100 ℃ using either acidic potassium permanganate titration or alkaline potassium permanganate titration. The COD-203A COD online monitoring instrument adopts the acid potassium permanganate titration method.
-Application industry:
The Hash COD-203A COD online monitoring instrument uses the acidic potassium permanganate method to perform point source monitoring of CODMn (permanganate index) in surface water, drinking water, and raw water.
-Instrument features:
The COD-203A COD detector adopts the acidic potassium permanganate titration method, which is suitable for online monitoring of COD low range point sources and has higher measurement accuracy.
The COD-203A COD detector is equipped with an LCD display screen and supports a Chinese operation interface, which is friendly and convenient.
The COD-203A COD detector does not use solenoid valves. Before each measurement, the pipeline should be backwashed to avoid accidents such as pipeline blockage.
The COD online monitoring instrument can store measurement data for 14 days, making it easy to manage and read historical data.
The COD online monitor uses an air nozzle to avoid clogging of the burette, ensuring reliable operation and low maintenance.
| TECHNICAL INDEX | ||
|---|---|---|
| Measurement range: | 0~20mg/L; 0~2000mg/L | |
| Measurement cycle: | 1 hour, 1-6 hours can be arbitrarily determined | |
| Display: | LCD display | |
| Reproducibility: | ± 1% FS when 0-20mg/L | |
| ± 2% FS at 20-200mg/L | ||
| When the concentration is above 200mg/L, ± 5% FS | ||
| Stability: | zero drift | ± 3% FS |
| Span Drift | ± 3% FS when 0-20mg/L | |
| ± 4% FS at 20-200mg/L | ||
| When the concentration is above 200mg/L, ± 5% FS | ||
| Operating environment: | Indoor installation. Temperature, 5-40 ℃, humidity, below 85% | |
| Sample conditions: | Temperature, 2-40 ℃ | |
| Pressure, 20-50kPa | ||
| Consumption, 500mL per measurement | ||
| Analog output: | 4~20mA, Maximum load of 600 Ω | |
| Power Supply: | 220VAC,50/60HZ | |
| power waste: | Maximum 550VA, average 200VA | |
| Data communication: | RS485 serial port | |
| External dimensions: | 600 × 600 × 1600mm | |
| Weight: |
150Kg
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