Specification ：

．Readout: 4 digit (0~9999) bright red 0.6" LED display
．Magnification: 2~3X
．Petri-dish size: 60~150mm diameter
．Zero reset: Yes
．Count back: Yes
．Illumination: Glare-free ring-shaped lamp
．Pressure sensitivity: Adjustable
．Output: RS232
．Dimension: W313mm x H360mm x D346mm
．Net Weight: 5.2kg
．Gross Weight: 6.4kg