| Model | JWS-12 | JWS-12G
(Electromagnetic pump) |
JWS-27 | JWS-27G
（Electromagnetic pump） |
| Voltage | AC220V 50HZ | |||
| Power | 800W | 1000W | ||
| Temperature | RT+5～100℃ | RT+5～80℃ | RT+5～100℃ | RT+5～80℃ |
| Constant temperature fluctuation | ±0.2℃ | |||
| resolving | 0.1℃ | |||
| work volume | 11L | 20L | ||
| Tank size | 300×240×200 | 500×300×200 | ||
| Dimension | 480×300×480 | 680×360×390 | ||
| Timing | 0～9999min | |||