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The Best Digital Caliper in China
Time:2015-03-27 07:25:09 Source:ROKTOOLS Browse: 
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The Best Digital Caliper in China
          It is easy to get Cheap digital caliper from China with lower cost ranging from USD7 or less. but it is difficult to get quality one, say , for calibration or for precision work.
Roktools, one of manufacturer for measuring tools, offer you more quality products, Its digital caliper are well accepted among professional users. It often oftter consistent answer and with soomthly slide you can find on the MItutoyos , Mahr. ROkTools test 13 points from 0-10mm for caliper by pin gauge, and ensure the accuracy from it.
      The features:
      1. High Accuracy:  0-300mm less than 0.02, High than standard.
      2. High consistent: You measure many times, it give you the same answer.
      3. Less shaking error.
      4. Strickly inspected before come out. test at least 25 points for calibrate.
      5. Hardened steel, not easy to bent. different from the bad qualiy one.
      6. Full ground and polished surface. Neatly packed.
Wecome every one to enjoy the high quality the Roktools provided.   Our company Full name : Rok International Industry Co, LImited.
How to inspect caliper?
Step 1
   Calipers are designed to measure to extreme degrees of accuracy. Some calipers will measure to an accuracy of up to five decimal digits, or one hundred thousandth of an inch. Having clean contact surfaces when measuring or calibrating to this degree of accuracy is imperative. Use a clean and lint free cloth to wipe off the contact pads.
Step 2: Unlock the Calibration Slide
On the fixed portion of the digital caliper is a locking lever that locks the fixed contact pad. This needs to be unlocked in order to calibrate the digital caliper.
Step 3: Close the Caliper Completely
Screw down on the adjustment knob until the moving portion of the digital caliper is as far as it will go.
Step 4: Press Fixed Pad against Moving Pad and Lock
Press down on the movable portion of the locking fixed pad until it makes firm contact with the moving pad portion. While keeping pressure against the moving pad, swivel the locking lever to lock the stationary pad in place.
Step 5: Set Indicator to Zero
With the moving and stationary contact pads making firm contact and firmly locked in place, rotate the knob or press the reset button until all digital readout digits are at zero.
Step 6: Verify Digital Caliper Calibration
Most professional digital calipers come with two or three calibration rods. The sizes that these rods come in will depend on the range that the digital caliper is capable of reading. Digital calipers in the automotive industry will read from zero up to six inches. Smaller digital calipers, such as ones that only read to one inch or thirty millimeters, may only have one calibration rod, which will normally be half an inch long, to an accuracy of how many decimal points that the digital caliper is capable of. Larger digital calipers may also have a half inch calibration rod, plus an additional one or two inch calibration rod.
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