ï�¬ All parameters are measured under the ambient temperature of +25â?? ï�¬ All the data are consonant with international standards IEC 60086-3-5 ï�¬ According to chapter 1 of DIN 45635,accuracy grade 2, noise emissions are measured at a distance of 1 meter in front of the chamber. ï�¬ Modern design, advanced manufacture and perfect operation ï�¬ Excellent function, large window and adjustable sample shelves ï�¬ Low noise, and low electricity