DT03-เครื่องวัดความเร็วรอบ 2in1 Digital Laser/Photo/Contact/Tachometer DT2236B/DT2236C

Tachometers are used for counting the revolutions of an engine per minute, and this multi-function digital tachometer allows you to do that accurately and quickly both from a distance by using the laser, or, if you prefer, by using the contact function and attachments.

Unlike some lesser models on the market, this tachometer has a fantastic, wide measuring range of 0.5 to 99,999 RPM.

An advanced one chip microcomputer LSI-circuit and crystal time base provide consistently highly-accurate readings in the fastest time possible.

The clear digital display shows the exact RPM with no guessing and no errors whilst the memory function will store the last taken maximum and minimum values at the press of a button.

The ergonomically designed casing fits comfortably in either hand and is made from ultra light, yet durable plastic, protecting the delicate internal workings and ensuring maintenance free performance for years to come.

Features:

Multi function - switch between laser and contact reading to suit the job in hand

Laser function reads RPM

Use contact function to read RPM, m/min and ft/min

Wide measurement range of 0.5 to 99,999 RPM

Retrieve last maximum and minimum reading at a press of the 'memory button'

Clear LCD display with insignificant zero suppression

Fast and accurate readings - no guesswork or errors

Lightweight tough plastic is ergonomically shaped to fit comfortably in either hand

Specifications:

Display: 5 digit LCD with function annunciation

Photo tach measurement: 2.5 to 99,999 RPM

Contact tach measurement: 0.5 to 19,999 RPM

m/min surface speed: 0.05 to 1,999.9 m/min

Resolution of photo tach: 0.1 RPM (2.5 to 999.9 RPM), 1 RPM (over 1,000 RPM)

Resolution of contact tach: 0.1 RPM (0.5 to 999.9 RPM), 1 RPM (over 1,000 RPM)

m/min surface speed: 0.01 m/min (0.005 to 99.99m/min) or 0.1 m/min (over 100 m/min)

Accuracy: ? (0.05% + 1 digit)

Sampling time: 0.8 seconds over 60 RPM

Photo detection distance: 50 to 500mm or 2 to 20"

Test range select: automatic

Memory: last maximum value & last minimum value

Time base: quartz crystal

Circuit: One chip of microcomputer LSI circuit

Battery: 4 x 1.5V AA (UM-3) batteries (sorry ? not included)

Operating temperature: 0-50?C (32-122?F)

Screen size: 5 x 2.4cm (1.9 x 0.9 ")

Unit size: 7.5 x 22 x 4 cm (3 x 8.5 x 1.5")

Weight: 300g/ 0.65lb (inc battery)

Included:

Tachometer

Sturdy carry/storage case with internal padding

600mm reflective tape marks

Contact speed measurement fitting

Contact rotational speed measurement fitting

Instruction manual

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