... PH/DDS/TDS Meter, Incubator, shaker, Hotplate, Mixer, PCR, Oven, etc.The information of our instruments: Warranty : 1 year / ... 3 years / 2 years Certifications: CE&ISODelivery time: Within 10 days after received ... technologyALLHEATTM Chamber preheating technology is the heating element is evenly distributed in the interior pre-heating of the cavity inner wall, ...