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ACT-3X-1-3-4311 ACT-3X Panel Tachometer with NIST Traceable Certificate, 100-240 Vac, 24 Vdc, 4-20 mA, RJ45, 2 Form C Relay by Monarch Instrument

461995-NIST Combination Contact/Laser Photo Tachometer w/ 0.4" LCD Display and Non-Contact RPM, 20000 rpm/99999 rpm, NIST Certificate by Extech

461995 Combination Contact/Laser Photo Tachometer with 0.4" LCD Display and Non-Contact RPM, 20000 rpm/99999 rpm by Extech

RPM33 Combination Contact/Laser Photo Tachometer, Contact 9999 rpm and Non-Contact 99999 rpm, 1.6 ft (0.5 m) by Extech

RPM33-NIST Combination Contact/Laser Photo Tachometer, Contact 9999 rpm and Non-Contact 99999 rpm, 1.6 ft (0.5 m), NIST Certificate by Extech

461895 Combination Contact/Photo Tachometer with 0.4" (5 Digit) LCD Display, 20000 rpm/99999 rpm by Extech

461825 Combination Photo Tachometer/Stroboscope, 20000 rpm Photo and 99999 rpm Strobe, 6560 ft/min Surface Speed by Extech

TACH20 Contact and Non-Contact Tachometer - Accurate Up to 0.02% by Amprobe

TACH-10 Contact and Non-Contact Tachometer - Accurate Up to 0.1% 0.0001 to 1 RPM by Amprobe

461891 High Precision Contact Tachometer, 9999 rpm, 6560 ft/min, 1999.9 m/min by Extech

461891-NIST High Precision Contact Tachometer, 9999 rpm, 6560 ft/min, 1999.9 m/min, NIST Certificate by Extech

RPM250W Laser Tachometer with Connectivity to ExView App, Non-Contact RPM, 500 mm (1.64 ft), 99999 Counts by Extech

461920 Mini Laser Photo Tachometer Counter, 99999 rpm by Extech

461920-NIST Mini Laser Photo Tachometer Counter, 99999 rpm, NIST Certificate by Extech

461950 Panel Mount Tachometer with 4 digit LED Display, 99990 rpm, 115/230 VAC 50/60Hz by Extech

461950-NIST Panel Mount Tachometer with 4 digit LED Display, 99990 rpm, 115/230 VAC 50/60Hz, NIST Certificate by Extech

RPM10 Photo/Contact Tachometer with Built-In Non-Contact InfraRed Thermometer, 99999 Count LCD by Extech

RPM10-NIST Photo/Contact Tachometer with Built-In Non-Contact InfraRed Thermometer, 99999 Count LCD, NIST Certificate by Extech

461750 PocketTach Mini Contact Tachometer, 99999 Count LCD, 0.001 rpm Resolution by Extech