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SPECFICATIONS EXTECH RPM40: COMBINATION CONTACT/LASER PHOTO TACHOMETER
— Measurement & Range
Photo Tachometer: 5 to 99,999 RPM
Contact Tachometer: 0.5 to 19,999 RPM
Surface Speed: m/min. – 0.05 to 1,999.9 m/min. ft/min. – 0.2 to 6,560 ft/min. in/min. – 2.0 to 78,740 in/min.
— Resolution
RPM: 0.1 RPM (< 1000 RPM); 1 RPM (≥1000 RPM)
m/min: 0.01 m/min ( <100 m/min); 0.1 m/min (≥100 m/min.)
ft/min.: 0.1 ft/min. ( <1000 ft/min.); 1 ft/min (≥1000 ft/min.).
in/min.: 0.1 in/min. (<1000 in/min.).; 1 in/min. (≥1000 in/min.).
— Display Extech RPM40
LCD, size: 32mm x 28mm (1.26 x 1.10”)
Large 5 digit reversible display with unit of measure and alert indicators
— Accuracy: ± (0.1% of reading + 1 digit)
— Sampling rate: Photo mode: 1 second (> 60 RPM); Contact mode: 1 second (> 6 RPM)
— Photo Tachometer detecting distance: Typically 50 to 150cm (2 to 60”)
— Time base circuit : Quartz crystal
— Laser light source Extech RPM40: Less than 1 mW; Class 2 laser diode; 645 nm
— Operating Temperature: 0 to 50°C (32 to 122°F)
— Operating Humidity: Less than 80% R.H.
— Memory: Stores/Recalls highest, lowest, and last values
— Battery: 4 x 1.5V AAA batteries
— Power Consumption
Photo tachometer: Approximately 20 mA DC; Contact tachometer: Approximately 9.5 mA DC
Dimensions: 165 x 50 x 33 mm (6.5 x 2.0 x 1.3”)
Weight: 182g (0.4 lbs.) Battery weight included
Accessories included: Batteries, Reflective tape 60cm (24”), Surface speed/rpm rotating attachments (cone & funnel)
Introduction Extech RPM40
Pocket-Sized Combination Tachometer For Measuring RPM and Linear Surface Speed
The RPM40 is a pocket contact and laser photo tachometer which provides wide RPM (photo/contact) and Linear Surface Speed measurements. Characters on display reverse direction depending on measurement mode used. The narrow beam Laser photo tachometer is for accurate non-contact RPM measurements up to 4.9ft (1.5m) from the target for improved safety and accessibility. Complete with cone tip and wheel for rpm or linear surface speed, four 1.5V AAA batteries and reflective tape.
Features
– Combination photo and contact tachometer
– Laser pointer for Photo Tachometer targeting
– Non‐contact Photo Tachometer detects target to a distance of 1.5m (4.9 ft.)
– Wide measuring range 0.5 to 19,999 RPM (Contact) and 99,999 RPM (Photo)
– 0.1% basic accuracy
– Memory/Recall of highest, lowest, and last readings
– Durable, light‐weight ABS plastic housing
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