EXTECH RPM33 结合接触/激光光电式转速计 (2 -99,999rpm)

Specifications
1. Photo mode:    
 +  Range (rpm) 2 to 99,999rpm
2. Contact mode  
 - Range (rpm) 2 to 20,000rpm
 - Surface Speed:   
   + 0 to 78,720 inches/min
   + 0 to 6560 ft/min                                       
   + 0 to 2186 yards/min                                    
   + 0 to 2000 m/min
 - Length :     
  + 3.9 to 39370 inches
  + 0.3 to 3280 feet
  + 0.1 to 1093 yard
  + 0.1 to 1000 meters
- Frequency (Hz) :    333 Hz
- 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)

omplete with contact wheel for rpm or linear surface speed/length, 9V battery, reflective tape and soft case 
 

Catalog

Manual

RPM33: Combination Contact/Laser Photo Tachometer

Quickly measure RPM, surface speed and length with one tool

Features:

§                                 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