I.Product standard:
　  The instrument is a laboratory instrument specially designed and made for corresponding factories, companies, construction units, research institutes, and colleges and universities. It equipped with advanced digital temperature control technology, the temperature controlling accuracy is high, and temperature stability of water bath is good. Not only provides a constant temperature water bath for tests, but also it has a circulation device to keep temperature stable in the closed circulation system. Also it is used together with portable cooler of our company.

II. Main technical specifications and parameters
1. Power supply:  AC220V±10%  50Hz
2. Cubage of water bath: 20L
3. Total power consumption: 1600W
4. Temperature controlling accuracy:  ±0.05℃
5. Circulating water: ≥4L/min
6. Ambient temperature:  -10℃~+35℃
7. Relative humidity: ≤85％
8. Temperature controlling range: room temperature+5℃~80.0℃