Extech 461995-NIST流速计

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Extech 461995-NIST流速计

Product HighlightsNarrow beam Laster photo tachometer for accurate non-contact RPM measurementsMeasurements from up to 6.5 ft from the target for improved safety and accessibilityDisplay characters reverse direcction for measurement type selectedLarge 0.4" (5 digit) LCD displayMicroporcessor based with quartz crystal oscillator to maintain high accuracyTachometer memory stores last, max and min readingsProvides wide RPM (photo and contact) and Linear Surface Speed (contact) measurementsAccurate to 0.05% with max resolution of 0.1 rpm in either photo or contact modeEach Unit IncludesNIST CertificateTips and wheel for rpm or linear surface speed(4) 1.5 V AA batteriesReflective tapeCarrying Case

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