Q :  What type of output does the Raytek MM series provide

A:  4-20mA by default with option to set to 0 to 20 MA via the supplied DTMD S/W 5.4.1 

Q :  What is the minimum mA value in 4-20mA mode?

A:  In EUUU (under range), the output is 2mA.

Q :  Is it possible to define the lowest to 4mA.

A:  No, but special beta firmware is available on request (no warranty)