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Rex Model: 2100 Tire Hardness Gauge
Description:
Tire hardness can be a critical factor in setting up a race car. A tire
that's too hard may sacrifice traction, while a tire that's too soft may
give great traction but wear too quickly, and an unmatched set of tires
may result in an ill handling car. To properly set up a car, a measure
of tire hardness is necessary, and the easiest and most cost-effective
way to obtain such a measure is to use a durometer.
The Type A durometer as specified by ASTM D-2240
is the gauge used by tire manufacturers to measure hardness of tire rubber.
The gauge gives readings of hardness in durometer points on a scale of
0-100, with 100 being the hardest reading. Some race tires come from the
factory with the durometer hardness noted on the side wall, but factors
such as ambient temperature, track temperature, usage, and age of the tire
can change the actual hardness of the tire from the factory hardness.
Rex Gauge Company's 2100 Tire Durometer allows racers
to quickly and accurately make checks of tire hardness. Unlike other "racing
durometers" (which are just relative hardness gauges), the Rex 2100 is
calibrated to the ASTM D-2240 standard for durometer hardness and is traceable
to N.I.S.T. Thus, the Rex 2100 allows comparison with the factory tire
specifications.
The 2100 is a handheld gauge weighing only 4.2 oz.
The indicator case, bezel, and barrel are all billet machined aluminum.
Because of its billet construciton, and the fact that the durometer is
manufactured in the USA by Rex Gauge Company (an industry leader in durometers
for over 60 years), the craftsmanship that goes into the 2100 is unsurpassed.
The gauge is furnished with a carrying case and a one year warranty.
Note: Rex Gauge Durometer Models 1500, H-1000, and 2100 are not recommended for use with operating stands or constant load weights.
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