Description: The DAM124 is for measuring 4 channel analog input(0-5V,0-10V,0-20mA,4-20mA) and 4 channel Pt resistance thermometer of PT100, PT500, PT1000 or other PT Resistance Thermometers and transmit in ASCII data format to any RTU, SCADA, data monitoring, data loggers, PLCs, process controllers and instrumentation that Modbus RTU Protocol over RS485 serial port. Widely used in industrial automation control systems. High reliability, low-power consumption, high stability and high precision data acquisition module. Perfect for base transceiver station, diesel generator rooms, engine room, transformer substations, telecommunication equipment rooms, power supply systems and so on. Specification: Material: Metal Size: 88x70x30mm or 3.46x2.76x1.18inch Power: DC9-36V Package Includes: 1 Piece Data Acquisition Module 1 Piece Adapter(US Standard) 1 Piece User Manual Some Terminals Note: Due to the manual measurement and lighting effects, there is a slight difference between the size and color from the above and the actual item. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.