Gage | coating thickness gauge | Marking gauge provided by 星枫 instruments. Gage | coating thickness gauge | Marking gauge Nanchang 星枫 Instrument Co., Ltd. (www.xingfengyiqi.com) 2014 upgrade been newly introduced ST5900 ST5900 Ultrasonic Thickness Gauge is simple to operate, the price is very cheap, only available to measure steel, iron objects thickness of material. Velocity 5900m / s fixed. Technical parameters Measuring range 1.2-200mm Velocity 5900m / s only for a resolution 0.1mm steel supply 7 # battery 1 Dimensions 107 × 60 × 15mm Weight 100g TM8816 Ultrasonic Thickness Gauge Measuring range (metric / imperial) 1.2-200.05 -8inch measurable Materials measured: any hard materials, such as: steel, steel thickness, aluminum, copper, brass, zinc, quartz glass, polyethylene, polyvinyl chloride marking gauge, gray cast iron, Good conductor thickness iron, ceramics, plastics and any other ultrasonic waves. Display: 4 10 mm LCD display. Sensor: Ultrasonic 5MHzф8 test range :1.0-200 mm (No. 45 steel) velocity measurement: 500 ~ 9000 m / s Resolution: 0.1 mm Accuracy: 0.5% H +0.1 (H is the measured thickness of the material) Automatic memory material code and velocity values, easy to use.