The DM3400 is a series of highly accurate and stable digital indicators. The DM3410 for Temperature indication, and the DM3420 for Process. Designed without compromise, the DM3400 series uses leading edge technology to accept all commonly used temperature or process inputs. Engineering units are displayed on a high efficiency 14.2mm high Red (green available to order) LED display that provides daylight readability. The indicators can easily be used "stand alone" or, using the Modbus serial communications option pod, as part of a larger system. The display can be set to show a fixed number of decimal places and to auto scale to show the maximum resolution.The highly innovative case design enables option "pods" to be easily installed without the need for dismantling or re-calibration. A range of "Plug and Play" Pods are available covering:- Relay outputs / Isolated 4-20mA re-transmission / Modbus RS-485 serial comms Programming is via the front panel keys following a logical menu structure which can be set to "Short" (default), whereby only the common usage features are presented to the operator, or "Full" where the range of programmable features are available. Alternatively, programming can be achieved via a PC, using the RS485 Modbus communication pod (DIS0020).