Purpose: This instrument is suitable to the standard of GB/T511. Test the mechanical impurity of petroleum products and additive. Technical Parameters: Electrical Source: 220V 50Hz AC Bath: room temperature ~ 90℃(digital displays) Temperature Control Accuracy: ±1℃ Funnel: room temperature ~ 90℃(digital displays) Temperature Control Accuracy: ±2℃ Heating Power of Bath: 1000W