Extech RPM33 Combination Contact/Laser Photo Tachometer
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The Extech RPM33 provides both contact (2 to 19,999 rpm) and non-contact (2 to 99,999 rpm) revolutions per minute measurements for enhanced versatility. Safely record laser-guided non-contact RPM measurements from up to 500 mm (1.6 feet) away. The RPM33 displays on the large five-digit backlit LCD. Store and recall 10 data sets in memory with four parameters (measurement, max, min and average). The unit comes with contact wheel for linear surface speed 0 to 1999.9 meters/minute; 0.2 to 6560 feet/minute) or RPM measurements, 9-volt battery, reflective tape, carrying case, and user manual.
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)
• Provides 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, refl ective tape
and soft case
Specifications
| Specification | Value |
|---|---|
| Rotation Speed (Contact) | 2 to 20,000 rpm |
| Rotation Speed (Contact) Basic Accuracy | 0.05% of reading + 1 digit |
| Rotation Speed (Contact) Max Resolution | 0.1 rpm (< 10,000 rpm); 1 rpm (> 10,000 rpm) |
| Rotation Speed (Strobe) | 2 to 99,999 rpm |
| Rotation Speed (Strobe) Basic Accuracy | 0.05% of reading + 1 digit |
| Rotation Speed (Strobe) Max Resolution | 0.1 rpm (< 10,000 rpm); 1 rpm (> 10,000 rpm) |
| Sampling Time (Photo) | 0.5 Sec > 120 rpm |
| Surface Length (Contact) | 3.9 to 39,370 in, 0.3 to 3,280 ft, 0.1 to 1,093 yards, 0.1 to 1,000 m |
| Surface Length (Contact) Basic Accuracy | 0.05% of reading + 1 digit |
| Surface Speed (Contact) | 0 to 78,720 in/min, 0 to 6,560 ft/min, 0 to 2,186 yards/min, 0 to 2,000 m/min |
| Surface Speed (Contact) Basic Accuracy | 0.05% of reading + 1 digit |
| Certifications | CE |
| Dimensions | 6.2 × 2.3 × 1.6" (160 × 60 × 42 mm) |
| Power | 1 × 9V battery |
| Warranty | 2 years |
| Weight | 5.3 oz (151 g) |