| model | Minimum working temperature (℃) | Cold tank volume (L) | Cooling capacity (W) Pure water at 20°C | Constant temperature accuracy (℃) | Pump flow(L/min) | drain |
| DL-1005 | -10 | 5 | 900 | ±0.5 | 13 | have |
| DL-1505 | -15 | 5 | 1200 | ±0.5 | 13 | have |
| DL-2005 | -20 | 5 | 1400 | ±0.5 | 13 | have |
| DL-3005 | -30 | 5 | 1900 | ±0.5 | 13 | have |
| DL-4005 | -40 | 5 | 1200 | ±0.5 | 13 | have |
| DL-1510 | -15 | 10 | 1400 | ±0.5 | 13 | have |
| DL-2010 | -20 | 10 | 1800 | ±0.5 | 13 | have |
| DL-3010 | -30 | 10 | 2300 | ±0.5 | 13 | have |
| DL-4010 | -40 | 10 | 3200 | ±0.5 | 13 | have |
| DL-1015 | -10 | 15 | 2200 | ±0.5 | 13 | have |
| DL-2015 | -20 | 15 | 2500 | ±0.5 | 13 | have |
| DL-3015 | -30 | 15 | 3000 | ±0.5 | 13 | have |
| DL-1020 | -10 | 20 | 2700 | ±0.5 | 13 | have |
| DL-2020 | -20 | 20 | 3000 | ±0.5 | 13 | have |
| DL-3020 | -30 | 20 | 3500 | ±0.5 | 13 | have |
| DL-4020 | -40 | 20 | 4200 | ±0.5 | 13 | have |
| DL-1030 | -10 | 30 | 3200 | ±0.5 | 13 | have |
| DL-2030 | -20 | 30 | 3600 | ±0.5 | 13 | have |
| DL-3030 | -30 | 30 | 4300 | ±0.5 | 13 | have |
| DL-4030 | -40 | 30 | 5600 | ±0.5 | 13 | have |
| DL-1050 | -10 | 50 | 4700 | ±0.5 | 13 | have |
| DL-2050 | -20 | 50 | 5000 | ±0.5 | 13 | have |
| DL-3050 | -30 | 50 | 5800 | ±0.5 | 13 | have |
| DL-4050 | -40 | 50 | 6300 | ±0.5 | 13 | have |
| DL-10100 | -10 | 100 | 4500 | ±0.5 | 13 | have |
| DL-20100 | -20 | 100 | 9500 | ±0.5 | 13 | have |
| DL-30100 | -30 | 100 | 11000 | ±0.5 | 13 | have |
| DL-40100 | -40 | 100 | 13000 | ±0.5 | 13 | have |