| Type | CH1015 | HCH1020T |
| Temperature range ° C | Room temperature +10 ~ 100 | |
| Display resolution °C | 0.1 | 0.01 |
| The temperature fluctuations degrees °C |
± 0.05 ( Pure water) | ± 0.005 ( Pure water) |
| Temperature control mode | Microcomputer temperature control , self- tuning PID regulator | |
| Level protection device | Have | |
| Internal volume | 20 l | |
| Opening size | φ100mm(Diameter) | |
| Pump -robin fashion | Inner / outer loop | |
| Pump flow | 10L | |
| Power (KW) | 1.8 | |
| Dimensions | 300×500mm (Diameter × height) | |