| Specifications | CT-6021A | |
| Display | LCD, size : 20 mm x 27 mm. Consumption | |
| Measurement Range | pH | 0 to 14 pH. |
| Resolution | pH | 0.1 pH. |
| Accuracy | pH | ±0.1 pH * After calibration. |
| pH Calibration | pH4.01, pH6.86 or pH 9.18, 3 points calibration. | |
| Temp. Display | 0.1℃ | |
| Temp. Accuracy | 1℃ | |
| Working Temp. Range | 0~50℃/°F | |
| ATC | 0~100℃ | |
| Dimension | 188 x38mm * Meter with pH electrode. | |
| Weight | 82g (included electrode). | |
Source: https://www.meterstesters.com/products/ph-meters/pen-ph-meter-ct-6021a.html