Suzhou gauge, digital gauge, 星枫 instrument provided by 星枫 instruments. Nanchang Xing Feng Instrument Co., Ltd. (www.xingfengyiqi.com) is Nanchang quality certified company Commercial Union, with Germany Knicks, Plymouth Seth Apresys, Hilti Germany, Switzerland, Leica and other brands, has a good reputation, honesty, service-oriented "business alliance Service" icon on the page, we will be happy to serve you! ST5900 ST5900 Ultrasonic Thickness Gauge is simple to operate, the price is very cheap price gauge, only objects can be used to measure the thickness of steel, iron 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 DC-2000B Ultrasonic Thickness Gauge magnetic thickness measurement method can be non-destructive measurement of magnetic metal substrates (such as steel, iron, alloy and hard magnetic steel, etc.) on the thickness of non-magnetic coating layer (such as aluminum, chromium, copper, enamel, rubber, paint, etc.). Eddy current thickness measurement method, the non-destructive measurement of magnetic metal substrate (such as copper, aluminum, zinc, tin, etc.) the thickness of the non-conductive covering layer (such as: enamel, rubber, paint, plastics, etc.). Technical parameters display method: 128 * 32 LCD dot matrix LCD Chinese (with backlight) Display digits: four measuring range :0.7-250mm Indication accuracy: 0.01mm Velocity range :1000-9999m / s measurement period: 2 / s auto-off time: 90 seconds Power: two AAA batteries (AAA), less than 72 hours of continuous work temperature: -10 ° C - 40 ° C Storage temperature: -20 ° C - 70 ° C Dimensions : 108x61x25mm Weight: 230g (with battery) Standard equipment Host: DC-2000B a probe: PT-12 and PT-06 coupling agent: bottle battery: AAA Size two random data: an instrument case: a