Product Description

Extech RPM33 Combination Contact/Laser Photo Tachometer

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 Extech RPM33 Combination Contact/Laser Photo Tachometer

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

Applications: Contact RPM, fl ywheels, conveyors, pumps, elevators, Non-Contact RPM, motors, fans, gears

Specification Extech RPM33 Combination Contact/Laser Photo Tachometer

Specifications	Photo Mode	Contact Mode
Range (rpm)	2 to 99,999rpm	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 yards
	—	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)