Instrument is used for measuring the basis weight (GSM of paper) and other sheet materials by weighing a small test sample with given dimensions. As per SCAN P-6, TAPPI (T-410), CPPA-D-3, APPITA-P-405 Avaiable in four range: 0-125 gm2 ,0-500 gm2, 0-250 gm2, 0-1000