Title: Reviewers are confused
Review: The instrument is a little confusing to use, but it is quite accurate. Read the instructions, and measure at the right point on the belt. It has to be placed properly and you must take care not to disturb the lever after it clicks.The above reviewer is confused. The belt tension as recommended by the vehicle manufacturer is in pounds or kilos. that is the tension on the belt between puleys. It is not the same as what it would take to push the belt in. In other words it is a gauge not a scale. It is calibrated to deflect the lever a certain angle dependent on belt tension with a steady force(thus the "click") It does not mean you deflect the belt with 50lbs of pressure.I use this and others use this on high power exotics with critical timing belt tension. It works quite well, and is quite accurate. If you don't know how to measure belt tension ask someone who does, or go to a mechanic.
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