We introduce our Programmable (multi-range) signal converters TW-4M & TH-5M. TW-4M & TH-5M are long selling products, used in various applications. You can change input & output range by DIP switch at site or customer side. Therefore, these products are very useful to have some stocks at customer side and use without lead times. Also TW-4M and TH-5M are very low cost model.