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and pH range
Educational Value: Suitable for ages 3 and above
Environment
This meter is simple to use and has extra measuring capabilities for troubleshooting electrical and electronic products
FY-1.5C-N Portable Vacuum Pump Practical and pH rangeIntegral cylinder body results, high precision, high ultimate vacuum. Forced oil pump lubrication to ensure high reliability. Large oil window design to prevent oil shortage. Rated voltage: 220V 50Hz. Pumping rate: 5. 4m h. Ultimate pressure: 2Pa. Motor power: 180 W. Refueling amount: 250 ml. Dimensions: 290x1 24x224 mm, Weight: 7. 1 kg Rotary vane vacuum pumps are also used to seal containers to transport gas. These devices can be used alone, or as
