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Film/Coating Thickness Gauge - GM220

? Measuring range: 0~1800μm
? Accuracy: ±(3%H±1μm)
? Resolution: 0.1μm (<100μm) or 1μm(>100μm)
? LCD display?: 3 1/2 display?
? Power supply?: 9V Alkaline battery?
? Operation current?: About 14mA?
? Batter?y life?: Continuously 20 hour?
? Operation temperature?: 0~40 ℃?
? Operation humidity?: 10~95% RH

Model Number: GM220

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Product Specification

GM220 Film/Coating Thickness Gauge Introduction
This portable product adopts magnetic induction technique for measurement. The compact design perform fast, precise and non-destructive digital coating measurement and plating on steel magnetic conductor. It is widely used on manufacturing, workshop, chemistry or quality control fields.

GM220 Film/Coating Thickness Gauge Features
? LCD display measurement value and status.
? Using Hi- sensibility sensor for precise measurement.
? 0 point, 2 point and basic, three different calibration methods to make it easy to process the system quick calibration.
? Measure mode: Single, continually and difference .
? Data record, recall and delete function.
? Data analysis: Average, Maximum, Minimum, standard deviation, and measure times.
? Beep sounds indication.
? Metric / Imperic unit selection.
? Low Battery indication.
? Auto power off .
? LCD backlight .
? Simple, compact structure and portable design.

GM220 Film/Coating Thickness Gauge Measurement range

Range	Resolution	Accuracy
0~1800μm	0.1um/1μm	±(3%H+1μm)

Remark: H=Nominal transformation ratio

GM220 Film/Coating Thickness Gauge Condition of Objective material
? Suitable for measure non-magnetic coating on magnetic conductor base material.
? The minimum curvature radius. Convex: 2mm Convex: 2 Concave=11 Concave: 11mm
? Minimum Sample diameter: 12mm
? Minimum Substrate thickness : 0.5mm

GM220 Film/Coating Thickness Gauge Specification

Technical parameter	Technical specification
LCD display	3 1/2 display
Power supply	9V Alkaline battery
Operation current	About 14mA
Battery life	Continuously 20 hour
Auto power off	1 minute
LCD backlight function	7 second.
Operation temperature	0~40 ℃
Operation humidity	10~95% RH
Low battery indication	7.0V ± 0.2V
Product size	67x 30x 175mm
Weight	133G (without battery)