Specifications of the Data logger unit1Display Digital type2MemoryExternal and (or) Internal (more than 50K readings)3Sampling rateMinimum 1 HZ or selectable3Accuracy± 0.05 % readings4No of channel multiplexer3 nos each with 16 or 20 channels or moreMust to able to detect signals from thermocouples and pressure transducers (with built in thermocouple reference junction is desirable), Pyranometer (Solar radaiation), Humidity sensors, digital weighing balance5Input range+ 100 V (Max voltage between input terminals), 230 VAC, 300 C AC/DC (between terminal and chasis) or bett