TDS Conductivity Measuring Pen High Precision Tester Portable Liquid Conductivity Measuring Instrument Grinding & Cutting length are very suitable for

length are very suitable for the palm of the person

Permeability tester is used for all kinds of materials such as film

resolving power

Product Dimension: 39

[thickened] aluminum alloy vertical ladder 150cm * 1

TDS Conductivity Measuring Pen High Precision Tester Portable Liquid Conductivity Measuring Instrument Grinding & Cutting length are very suitable forShips FREE Handling Day: 1 3 Days, Arriving Day: 15 35 Days[SHORTDESCRIPTION] Packing List Main product * 1 Features LCD HD displayThe instrument uses LcD display, with backlight function, easy to deal with the night environment. Large capacity button batteryBuilt in 4 LR44 1. 5V button batteries are durable and easy to replace.