Extech RPM33 Combination Contact/Laser Photo Tachometer with NIST

Item #:

EXT-RPM33-NIST

Brand:

Extech

Ask an Expert

Our tech experts are ready to help!

1-866-4 JJSTECH (1-866-455-7832)

Email Us

Share this product:

Description

RPM33 Combination Contact/Laser Photo Tachometer with NIST by Extech

Quickly measure RPM, surface speed and length with one tool. Use the contact wheel for up-close readings or laser mode for safer, non-contact measurements up to 1.6ft (0.5m) away.

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

Applications

Contact RPM: flywheels; conveyors; pumps; elevators
Non-Contact RPM: motors; fans; gears

Specifications

General Specifications

Time base	Quartz crystal
Display	5-digit LCD Display
Laser light source	Class 2 laser < 1mW power; Wavelength is 630 to 670nm
Detecting Distance	50 to 500mm (2 to 20")
Sampling Time	0.5 seconds (over 120 rpm)
Tachometer accuracy	± (0.05% reading + 1digit)
Memory	Measurement data are stored in 'reading sets'. A reading set consists of one (1) instantaneous measurement plus MIN/MAX/AVG readings. Ten (10) 'reading sets' are available per measurement session
Operating Conditions	0 °C to 50 °C (32 °F to 122 °F); RH 80% Max
Power Supply	9V battery
Power Consumption	45mA DC approximately
Weight	151g (5.3oz.)
Size	160 x 60 x 42 mm (6.2 x 2.3 x 1.6")

Measurement Range Specifications

	Range	Resolution	Accuracy
Photo-Tachometer
Revolutions per minute	2 to 99,999 RPM	0.1 rpm (2.0 to 9999.9 RPM) 1 rpm (> 9999 rPm)	0.05% of reading + 1 digit
Frequency	0 to 1666 Hz	1 Hz	0.05% of reading + 1 digit
Contact-Tachometer
Revolutions per minute	2 to 19,999 rpm	0.1 rpm (2.0 to 9999.9 RPM) 1 rpm (> 9999 rPm)	0.05% of reading + 1 digit
Surface Speed	0 to 2000 meters per minute	1 m/min
	0 to 78,720 inches per minute	1 in/min
	0 to 6560 feet per minute	ft/min
	0 to 2186 yards per minute	1 yd/min
Length (using circumference wheel attachment)	0.1 to 1000 meters	0.1 meter
	3.9 to 39,370 inches	0.1 inch up to 9999.9 1 inch > 9999
	0.3 to 3280 feet	0.1 inch
	0.1 to 1093 yards	0.1 yard
Revolutions (counter for custom sized wheels)	0 to 99,9999 Revolutions	1 revolution (REV)
Frequency	0 to 1666 Hz	1 Hz