Features:
* LCD display
* Dichromate colorimetric method, LED light source, long service life
* Two-point calibration (zero and full scale calibration)
* Measurements can be displayed directly, needless to count
* Support to connect with PC through USB interface
* Data can be consulted, deleted and printed
Technical Parameters:
| Model | COD-100 | |
| Measuring Principle | Dichromate colorimetric method | |
| Range | COD | 0.0~1500mg/L | 
| Electrolysis Current Divide | — | |
| Accuracy | Basic Accuracy | ±8% | 
| Repeatability | 3% | |
| Stability | COD data changing less than 6mg/L within 20mins | |
| Calibration | Two-point calibration(zero and full scalecalibration) | |
| Data Storage | 200 data with time-and-date stamp | |
| Digester COD-100R | Digestion Method | Sealing reflux method(could dispelling 21 samples simultaneously) | 
| Digestion Temperature | 100~165°C | |
| Digestion Time | 0~120min | |
| Power Supply | AC110/220V±10%, 50/60HZ | |
| Standard Accessory | COD-100R digester | |
| Package Size(W*D*H) | COD-100: 370*305*330mm, Digester: 575*435*285mm | |
| Gross Weight | 5kg, 10kg | |