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Summary of Contents for ST VA8041
- Page 1 Ultrasonic Thickness Gauge VA8041 Operation Manual...
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Page 2: Table Of Contents
Contents Ⅰ ．Preface…………………….………………………..1 Ⅱ ．Safety information…………………………………1 Ⅲ ．Functions & Features………….…………………..1 Ⅳ ．Specifications………………………..……..…..…2 Ⅴ ．Mounting battery & probe.….………………….…3 Ⅵ ．The method of usage….……………….……..…….3 Ⅶ ．Calibrating Meter…….……………………………6 Ⅷ ．Notices…………………………...….….……..…….7... -
Page 3: Ⅰ ．Preface
Ⅰ ．Preface Please read the following information carefully before using the meter. The ultrasonic thickness gauge has been designed to measure the material thickness that callipers can’t measure, such as boiler, pressure vessels, armor of tank, ship hulls, glass wall, tubes and so on. Ⅱ... -
Page 4: Ⅳ ．Specifications
● Ultrasonic wave velocity or thickness display. ● Manual material selection. ● Ultrasonic wave velocity adjustable. ● Thickness unit “mm” or “inch” optional. ● Ultrasonic wave velocity testing. ● Coupling state display. ● Shut down manually or automatically. ● Low battery voltage indication. ●... -
Page 5: Ⅴ ．Mounting Battery & Probe
● Power supply: 7# alkaline cell , 1.5V*3 . ● Operating temperature: -10 ~ +50℃(+14~ +122℉) ● Storage temperature： -40 ~ +70℃(-40 ~+158℉) ● Dimensions： (L)× (W)× (H) mm. ● Weight ： approx g (including battery and probe). ● Accessories：probe, coupling paste, operating manual, batteries. - Page 6 materials listed in table (1). Smear a little of coupling paste on the surface of the measured object, put the probe on and press it. A coupling symbol would appear If coupling is all right. Synchronously the thickness of the measured object would display instead of ultrasonic wave velocity.
- Page 7 Water (20°C) 1480 Material a user adjusting 6500（ ） Material b user adjusting 5500（ ） Material c user adjusting 4500（ ） Material d user adjusting 3500（ ） user adjusting Material e 2500（ ） When take the probe out from object, the coupling symbol disappears, but thickness keeps displaying.
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Page 8: Ⅶ ．Calibrating Meter
A. Make a block with measured material (the more thick the block, the more exact the result is), measure its thickness by a callipers carefully. B. Select anyone of material a~e, and measure its thickness by the probe. When the digits of thickness display steady , take the probe out from the block. - Page 9 the meter by yourself, the method is follow： Power on the meter, smear a little of coupling paste on the surface of the metal block buit-in the shell of the meter. Put the probe on and press it, when coupling symbol appears, press button “Adjust”...
- Page 10 bring on a bigger result than actual thickness. So when measuring thin object, should do it repeatedly to look for the least value. If necessary, make an thin block to compare measuring result. 4. Rough surface may affect test, Burnish it by sand paper, and then measure.
- Page 11 For rough surface, don’t press the probe when turning it or slipping it , to protect the probe. When battery voltage is too low to work, a battery symbol appears on the screen. It reminds you to change new batteries. 10.
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