Description: Test sieve shaker is made for the measurement of particles size distribution and the determine of the impurity content or solid content in liquid, which are extensively used scientific laboratories and Quality Control Department. Feature: 1. Test sieve shaker for grading analysis. 2. High precision degree. 3. Timer for setting as need. 4. Compact structure, low noise. Testing sieve shaker adopts new power generator,creates mutiple high-frequency three times,supplies million vibration efficient screening and determination.At the same time according to different materials to electronic delay is achieved the different working time,the inspection to mininize the error,ensure the consistency of the samples analysis data or the product quality making precise judgment. Be packed in woden cases or as your requirements.