Free calcium oxide is the main indicator of cement quality and clinker calcination thermal engineering system. The instrument uses ethylene glycol extraction benzoic acid direct titration method, under specific conditions, only 3 minutes to quickly and accurately determine the free calcium oxide content. It can be used in production control of cement plants, building materials, scientific research units, teaching in colleges and universities, etc.Technical Parameters:1. Motor: stepless speed regulation2. Accuracy: Standard deviation is 0.064%3. Extraction time: 3min4. Power supply voltage: 220V 50HZ5. Power: 300W6. Average heating rate: 60 ℃ / min
