spesifikasi : 6 places for jar test and leaching test. Epoxy painted steel structure. Rear Lighting ( on/ off) Setteable height of stirring rods with self locking device DC gear motor Setting of speed by microprocessor and visualization of speed by a LCD display from 10 to 300 rpm. Speed setting interval 1 rpm. Electronic timer with two scales : 0+ 999 minutes or 0+ 99 hours Possibility of continuous operation Automatic turning off warned by a beeper at the end of set time "