It is used for automatically recording values of some slowly varying parameters(for example,air temperature of abominable weather at a point in the west) for a very long period of time and then back to a microcomputer for data analyzing.

• 它主要用于对缓慢变化的被测量 (如西部某地恶劣环境温度 )进行长期自动的数据采集后 ,再取回用微机对其所记数据进行分析。