Ultrasonic Thickness Gauge, Power Supply : 3 AA batteries/USB power supply

We are offering ultrasonic thickness gauge.detailed product description
4 digits 10mm lcd display coating thickness meter range 0 to 1000 um 0-40 mil, widely used to measure the thickness of..
application:
used for measuring thickness and corrosion of pressure vessels, chemical equipment, boilers, oil storage tanks, etc. In industries of petroleum, shipbuilding, power station, and machine manufacturing.
features:
• 4 digits 10mm lcd display
• coating thickness meter range 0 to 1000 um 0-40 mil,
• widely used to measure the thickness of non magnetic material (paint, plastic, porcelain, enamel, copper, zinc, aluminum, chrome etc.
specifications:
• operating principle: magnetic induction (f)
• measuring range:0-1000um
• resolution; 0.11
• accuracy: ±1-3%n or ±2.5um
• min. Measuring area: 6mm
• min. Sample thickness: 0.3mm
• battery indicator: low battery indicator
• metric imperial: convertible
• power supply: 4x1.5v aa (um-3) battery
• auto power off
• operating conditions:0-+45°c(32°f-104°f),≤90%rh
• optional accessories: other range 0-200um to15000 um