- Can be used to detect speed of any centrifuge with window to inner chamber

 - Detects rotations per minute with visible light beam

 - Large LCD display for easy data reading

 - Recalls last detected value

 - Low battery indication

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Display: 18mm LCD display, 5 digits

Test Range: 2.5 to 99,999 rpm

Resolution: 0.1 rpm (2.5 to 999.9 rpm)

                   1 rpm (over 1,000 rpm)

Accuracy: within 0.05% + 1 digit

Sampling time: 08 sec (for over 60 rpm)

Memory: last minimum and max value

Detecting Distance: 50-500mm

Time Base: 6MHz crystal oscillator

Battery: 3 x 1.5V AA (UM3) battery

Dimension: 160 x 74 x 37 mm

Weight: 200g (including batteries)

Each TACH-S comes with:

 - TACH-S Tachometer

 - 3 AA batteries

 - Reflective strip stickers

 - One pair of screws (to secure battery cover)

 - Cloth carrying case

 - Operation manual