 6" Electronic Digital Caliper (Fractional) US $29.95 
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 8" LCD Electronic Digital Caliper US $38.00
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 12" LCD Electronic Digital Caliper US $62.95
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 8in 8" Digital Electronic Caliper w/ LCD Display US $27.99
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 Titan Tools 6" Electronic Digital Caliper NEW US $17.99
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 NEW 6" DIGITAL CALIPER IP65 FLUID RESISTANT ELECTRONIC US $59.99
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 NSK MAX SERIES ELECTRONIC DIGITAL CALIPERS US $89.00
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 Electronic Digital Caliper 6" US $24.99
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How to choose the right Electronic Digital Calipers?
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www.anyii.com
Electronic Digital calipers enjoy obvious advantages over their mechanical versions. They are easier to use, more accurate, and multifunctional. They take on a new look with the different slider covers & sensor-slip covers (made of different materials). But among the hundreds of models and brochures, how to choose the right tool for your work? Here are some useful tips.
Application Environment
Most bad words about Electronic Digital Calipers come from inappropriate purchase. Normal electronic digital calipers use capacitator sensor which malfunction in a humid environment (relative humidity above 80%) or in contact with water & other liquids. Digital Calipers with waterproof capabilities (level up to IP65, IP67) can be easily applied in humid situation described above. If the working environment’s humidity is lower than 80% and no splashing liquids is concerned, Low level waterproof Electronic Digital Calipers like IP54 models can do the trick, with a price slightly higher than the normal calipers to achieve a higher value for money ratio.
Accuracy requirement
Most electronic digital calipers’ resolution is 0.01mm. If your request is higher than that, you may choose the Hi-Precision Digital calipers from Anyi Instrument (Anyi Tools) with a resolution of 0.005mm or 0.001mm with a higher accuracy.
Functions & Features
Electronic digital calipers, by application, are divided into General-Purpose Calipers (GP Calipers) and Special Calipers. Between these two categories, there is another which can be called Improved GP Calipers. GP Calipers, when applied in special measuring job (like inside groove measuring), do not give accurate data, decrease the efficiency, and wear off easily. It is better to consider opting for the special calipers. When purchasing calipers, you should inform the dealer (if you buy from a local dealer) or the manufacturer (if you buy from a producer) the application environment. For example, highly repeated application of the GP Calipers to hole measuring will wear off the measuring faces, resulting in low accuracy. You can avoid this by specifying the work environment when the order is made with the manufacturer. With some extra penny or even same cost, some technical work in the factory will prolong the life of the tool tremendously. Calipers made with additional processing is called Improved GP Calipers and usually include but not limited to:
Carbide-tipped Measuring Face---Prolong the life of the faces
Insulator Measuring Face---used for the electric environment like measuring button cells.
Magnetic free calipers---made of non-magnetic materials and applied for magnetic environment;
Coated-body Calipers---the sliding faces coated with wear resistant materials;
Special Calipers include but not limited to:
Groove-Measuring Digital Calipers;
Gear Tooth Measuring Digital Calipers;
Thread Pitch Diameter Measuring Digital Calipers (Internal & External);
Key-slot Measuring Digital Calipers;
Saw-blade tooth Measuring digital Calipers (enhanced accuracy);
Center Distance Measuring Digital Calipers;
Pipe Thickness Measuring Digital Calipers;
Broad Measuring Face Digital Calipers (for measuring wire rope & soft materials like Sponge and Foam Plastic.
Flange Calipers: For diameters of large work piece’s flange, equipped with multiple display device. Enhanced accuracy and efficiency.
Other Special Calipers include but is not limited to measuring of holes of various sizes, big diameters, radius of cone-shaped work pieces, taper hole’s diameters and the such.
Besides the above-mentioned, Anyi Tools manufactures tailor-made measuring tools for a very specific measuring environment. When placing an order, clients should provide a drawn picture of the articles to be measured with related specifications. Sometimes a sample piece should be provided to avoid misunderstanding.
Display functions
Basic functions: Power On/Off (Power off: auto or manual), Metric/ English conversion, Zero-setting
Optional functions:
Data Hold: By pressing the button, any measured data could be locked;
Allowance set: for setting upper and lower limits with indication of OK or over;
Max Value Tracing: only the Max value is displayed, good for hole measuring;
Min Value Tracing: only the Min value is displayed, good for spindle measuring;
Purchasing tips
Principle to follow: Good stuff is not cheap! Careful research and “compare 3 manufactures” according to the old Chinese merchants proverb. Try to get some free samples (Anyi Tools provides some general-purpose products for trial use and guarantee a full refund). When purchasing on spot, a few guide lines to follow:
Outlook: no scratch, no rusty spots, no burrs, no sharp edge. Fine craftsmanship!
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