RPM33-NIST Extech Tachometer

Special Price $352.80 Regular Price $359.99
The RPM33-NIST is a NIST Traceable combination contact/laser photo tachometer from Extech.
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  • Large 5 digit backlit LCD display
  • Microprocessor based with quartz crystal oscillator to maintain high accuracy
  • Store/recall 10 data sets in memory with 4 parameters (measurement, max, min and average)
  • Wide RPM (photo and contact) and Linear Surface Speed/Length (contact) measurements
  • Laser guided for greater distance non-contact measurements up to 1.6ft (500mm)
  • Complete with contact wheel for rpm or linear surface speed/length, 9V battery, reflective tape and soft case


  • 461937 - Reflective Tape Set


  • Accuracy: 0.05% rdg +1 digit 0.05% rdg +1 digit
  • Sampling Time: 0.5 Sec > 120rpm
  • Resolution: 0.1rpm ( < 10,000 rpm); 1rpm (> 10,000 rpm)
  • Dimensions / Weight: 6.2 x 2.3 x 1.6"(160 x 60 x 42 mm) / 5.3oz (151g)

The RPM33-NIST provides both contact (2 to 19,999 rpm) and non-contact (2 to 99,999 rpm) RPM measurements for enhanced versatility. Laser guided non-contact RPM measurements taken up to 1.6-foot (500mm) away for added safety. Readings are displayed on the large five-digit backlit LCD. Store/recall 10 data sets in memory with 4 parameters (measurement, max, min and average). Comes with contact wheel for linear surface speed (0.2 to 6560 feet/minute; 0 to 1999.9 meters/minute) or RPM measurements, 9-volt battery, reflective tape, carrying case, and user manual.

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