Different kinds of calculator quality inspection:
Office Calculator
solar calculator
Financial Calculator
Promotional Gift Calculator
Multifuction Calculator
Check & Correct Calculator
Foldable Calculator
Pocket Calculator
Scientific Calculator
Desktop Calculator
Tax Calculator
8 digit calculator
Some common factors for calculator quality control:
Appearance inspection:
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To check top and bottom shell, screen printing, Silkprint, buttons, color, etc.
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There is no burst, scratches, dirt, different color in top and bottom shell, there is no
bad silkprinting, missing screw,wrong positioned buttons of pocket
Function inspection
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Check the button of On/OFF, press this button more than 5 times when press ON/CE, the display is 0,
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to check whether there is “INT”, whether there is phenomenon of stuck when press and bad hand feeling.
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Check calculation procedure
Check the function, tapping machine, check whether the presence of display, dark, lack of drawing, add painting,
such as INT non-conforming.Check each botton, whether there is any INT phenomenon,there is stuck phenomenon ,
to check whether there is wrong positioned buttons of pocket
Press“410÷ 369%”DISPLAY：111111.11
Press“×8×” DISPLAY ： 888888.88
Press“=” DISPLAY : E7901.2344
Press“ON/CE” DISPLAY : 7901.2344
Press“ ” DISPLAY : 88.888887
Press“M+” DISPLAY : M88.888887
Press“7+5-2M-” DISPLAY : M 10
Press“MRC-” DISPLAY : M 78.888887
Press“ON/CE” DISPLAY: M 0 , then press“OFF”,the inspection is finished
