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Extech 461920: Mini Laser Photo Tachometer Counter

 

Key Features

  • Make non-contact RPM measurements of rotating objects
  • Use reflective tape on object to be measured and point the integral laser
  • Large 5 digit LCD display with backlighting
  • Memory button for Last/MAX/MIN readings
  • Counter function counts up to 99,999 revolutions

SPECIFICATIONS EXTECH 461920: MINI LASER PHOTO TACHOMETER COUNTER

Time base: Quartz crystal
Display: 5 digit LCD display
Laser light source: Class 2 laser < 1mW power; Wavelength is 630 to 670nm
Detecting Distance: 2 to 20″(50 to 500mm)
Sampling Time: 0.5sec (over 120 rpm)
Tachometer accuracy: ± (0.05% reading + 1digit)
Memory Extech 461920: Last reading and MIN/MAX readings
Operating Conditions: 32°F to 122°F (0°C to 50°C);RH 80% Max
Power Supply: Internal 9V battery or external AC Adaptor (6 to 9VDC) (Part# UA100-240)
Power Consumption: 45mA DC approx.
Weight: 5.3oz. (151g)
Size: 6.3×2.3×1.6″ (160x58x39 mm)
Parts: Reflective Tape Part # 461937

  • Range Specifications Extech 461920
— Photo Tachometer
Range: 2 to 99,999 rpm
Resolution: 0.1 rpm (<1000rpm); 1 rpm (>1000 rpm)
Accuracy (%reading): ± (0.05% + 1d)
— Counter
Range: 1 to 99,999 REV
Resolution: 1 count
Accuracy (%reading): ± 1 count

Introduction Extech 461920

Laser Light Source used for greater accuracy and longer measuring distance

Extech’s 461920 is a tachometer for RPM measurements. Make safe, non-contact RPM measurements (2 to 99,999 RPM) of rotating objects by pointing the integral laser (1.6-ft. target distance) at the reflective tape placed on the object to be measured. Complete with 9-Volt battery, reflective tape and user manual.

Features Extech 461920

– Make non-contact RPM measurements of rotating objects
– Use reflective tape on object to be measured and point the integral laser
– Memory button holds last reading and recalls min/max readings
– Counter function counts up to 99,999 revolutions
– Easy to read large 5 digit LCD display
– Rugged double molded housing for better grip
– Complete with 9V battery and reflective tape
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