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Chongqing COD water quality detector
Chongqing COD water quality detector with integrated LCD display, digester and host, built-in curve without self modulation, built-in regression curve
Product details
Chongqing COD water quality detector product functions
(01) Can accurately measure the chemical oxygen demand (COD) of surface water, reclaimed water, urban sewage, and industrial wastewater;
(02) 20 standard curves in memory, capable of self revision and saving;
(03) Can accurately store 1000 data information (measurement time, parameters, measurement results);
(04) Print current data and all stored historical data;
Technical indicators of Chongqing COD water quality detector
| Instrument model | 5B-3A |
| Measuring Item | COD |
| Measurement range | 20-1500mg/L (segmented) |
| measuring accuracy | COD=50mg/L,≤±10％ |
| COD=300mg/L,≤5％ | |
| Measurement time | 20 minutes |
| Batch processing volume | 9 water samples |
| repeatability | ≤±8％ |
| Light source lifespan | 100000 hours |
| Optical stability | ≤ 0.001A/5 minutes |
| Anti chlorine interference | [Cl -]<1000mg/L has no effect [Cl -]<4001mg/L (optional) |
| Colorimetric method | Colorimetric dish |
| Store data | 1000 |
| Number of curves | 20 items |
| Display mode | liquid crystal |
| communication interface | RS232 |
| Power supply mode | 220V |
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