JACO
Digital Tire Pressure Gauge
Within 0.2 PSI accuracy at 16 PSI test (15.8 PSI reading). Excellent accuracy at 40 PSI (39.8 and 39.9 PSI readings). Perfect 60 PSI reading for both gauges tested. First place for 60 PSI test. Excellent heat resistance at 125°F with perfect score. Cold weather performance at -4°F maintained accuracy at 40 and 40.1 PSI. Cumulative error rate less than 1 PSI across all tests.
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"Best Tire Pressure Gauge - Within 0.2 PSI accuracy at 16 PSI test (15.8 PSI reading). Excellent accuracy at 40 PSI (39.8 and 39.9 PSI readings). Perfect 60 PSI reading for both gauges tested. First place for 60 PSI test. Excellent heat resistance at 125°F with perfect score. Cold weather performance at -4°F maintained accuracy at 40 and 40.1 PSI. Cumulative error rate less than 1 PSI across all tests."