METTLER TOLEDO Microbalance. The XP1 balance measures has a measurement range of 1 gram and 1 microgram resolution. Manual Operation. Manual operation is ideal for lower throughput testing. Large Furnace. The large furnace provides high temperature accuracy and has a maximum sample volume of 900uL. DTA Sensor. The platinum DTA sensor measures the sample and reference temperature and provides excellent signal to noise performance. Integrated Gas Control. The integrated, software controlled GC401 gas controller allows for switching between three method gases for defined experiment atmospheres.