320-channel digital data logger M302 has the following features.

Rigol brand M302 digital data logger made jointly by America and China

Central processor with 320 input channels

CJC temperature measurement capability

Has software for signal routing

Along with 6.5 digit digital multimeter module

Along with the MC3120 module

Read/write sampling speed, 100/s

Can be connected to a computer through USB, DPIB, LAN, RS232 ports

3-year warranty along with after-sales service at a reasonable price