Extech Instruments RPM33, RPM40, 461920 Catalog Page
461920 Mini Laser Photo Tachometer Counter
Non-contact RPM and Revolution count measurements to 99,999 rev
• Measure non-contact RPM readings of rotating objects by pointing the
integral laser at the reflective tape placed on the object to be measured
• Large 5 digit LCD display with backlighting
• Rugged double molded housing with memory button for Last/MAX/MIN readings
• 1yearwarranty
• Complete with 9V battery and reflective tape
SPECIFICATIONS
RPM range 2 to 99,999 rpm
Count range 1 to 99,999 rev (revolution)
Target Distance 1.6ft (500mm)
Basic Accuracy ±0.05%
Resolution 0.1rpm, 1 count
Dimensions/Weight 6.2x2.3x1.6" (160x60x42mm)/5.3oz (151g)
Measures the speed
(RPM) of rotating objects
and counts (revolution) of
moving objects.
ORDERING
461920 ÿ
461937 Spare reflective tape (23" each strip), 10pk
Pocket Tachometers
Mini Laser Photo Tachometer Counter
RPM33/RPM40 Mini Combination Contact/Laser Photo Tachometers
Quickly measure RPM, surface speed and length with one tool. Use the
contact wheel for up-close readings or laser mode for non-contact readings.
• Large 5 digit backlit LCD display
• Microprocessor based with quartz crystal oscillator to maintain high accuracy
• Provides wide RPM (photo and contact) and Linear
Surface Speed/Length (contact) measurements
• Includes contact wheel, batteries, and reflective tape; 1 year warranty;
RPM33 also includes case; RPM40 also includes cone tip
Model RPM33 Additional Features
• Store/recall 10 data sets in memory with 4 parameters (measurement/max/min/avg)
• Laser guided for greater distance non-contact measurements up to 1.6ft (500mm)
Model RPM40 Additional Features
• Long distance Laser guided measurements up to 4.9ft (1.5m)
SPECIFICATIONS RPM33 RPM40
RPM33 RPM40
Range (rpm) Photo: 2 to 99,999rpm
Surface Speed 0 to 78,720 inches/min 2.0 to 78,740 inches/min
Length 3.9 to 39370 inches —
Frequency (Hz) 333 Hz —
Accuracy 0.05% rdg +1 digit ±(0.1% rdg +1 digit)
Sampling Time 0.5 Sec > 120rpm 1 Sec > 6rpm
Resolution 0.1rpm (<10,000 rpm); 1rpm (>10,000 rpm) 0.1rpm (<1000 rpm); 1rpm (>1000 rpm)
Dimensions / Weight 6.2x2.3x .6”(160x60x42mm) / 5.3oz (151g) 6.2x2.0x1.3" (160x50x33mm) / 6.4oz (182g)
Contact: 2 to 20,000rpm
0 to 6560 ft/min 0.2 to 6560 ft/min
0 to 2186 yards/min —
0 to 2000 m/min 0.05 to 1999.9 m/min
0.3 to 3280 feet —
0.1 to 1093 yards —
0.1 to 1000 meters —
Photo: 5 to 99,999rpm
Contact: 0.5 to 19,999rpm
ORDERING
RPM33 ÿ
RPM40
ÿ
Contact
RPM measurement
128
ÿ Indicates products that are available with optional calibration traceable to NIST. See page 160 for a complete listing.
Laser Photo
RPM measurement
461937 Spare reflective tape (23" each strip), 10pk
Combination Contact/Laser Photo Tachometer
Combination Contact/Laser Photo Tachometer
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