... three specificationsDYT400-1H Serial smart temperature transmitterDYT400-2H Serial smart temperature transmitterDYT400-3H Serial smart temperature transmitterDYT400-1H is ... alarm can be programmed, The precision is 0.1%, with sensor open loop detection function, and enhance ... Input / output electric isolation, precision 0.1% ( typical), the stability of0.1%/ (typical), independent of the alarm circuit, ...