| Measuring Range | CT-3030: 0-1999 µS/cm CT-3031: 0-19.99 mS/cm |
| Accuracy | ±2% FS (Full Scale) |
| Resolution | CT-3030: 1 µS/cm CT-3031: 0.01 mS/cm |
| Temperature Compensation | 0ºC to 50ºC automatic |
| Operating Temperature | 0ºC to 50ºC |
| Calibration Points | CT-3030: 1413 µS/cm CT-3031: 12.88 mS/cm |
| Calibration | 1-point automatic calibration |
| Auto Power Off | 5 minutes |
| Display | Dual display of conductivity and temperature |
| Power Supply | 6V (4x AG13 button batteries) |
| Dimensions | 188mm x 38mm |
| Weight | 82g |