Tachometers

A tachometer, or revolution counter, measures the rotation speed of an object within a machine. The value is typically displayed in revolutions per minute (RPM) via analogue dial or digital display. Tachometers are used to measure speed of rotation and some can measure linear speed and distance too.

How does it measure?
Contact tachometers take measurement using physical contact, for example a funnel, wheel or tip. These instruments gather the data for the tachometer. Non-contact tachometers often use a laser or optical disc to measure and are ideal for mobile applications.

Tachometers are used in:
Machinery
Automotive
Trains
Laser instruments
Laboratories
Marine engineering
Medicine (blood flow)

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Description Price Best Accuracy Category Battery Life Battery Type Display Type Dimensions Weight Height Length Maximum Operating Temperature Maximum Speed Minimum Operating Temperature Minimum Speed Model Number p
RS庫存編號 123-8771
BrandRS PRO
HK$1,096.56
單位
±0.05 % Laser - 1.5 V AA LCD 72 x 37 x 190mm 250g 190mm 72mm 50°C 99999rpm 0°C 10rpm DT-2234BL W/CA-05A
RS庫存編號 123-8773
BrandRS PRO
HK$1,198.75
單位
±0.05 % Contact - 1.5 V AA LCD 72 x 37 x 208mm 280g 208mm 72mm +50°C 19999rpm 0°C 0.5rpm DT-2235B
RS庫存編號 123-8779
BrandRS PRO
HK$1,831.81
單位
±0.05 % Contact, Optical - 1.5 V AA LCD 65 x 38 x 215mm 280g 215mm 65mm +50°C 19999 (Contact Tachometer) rpm, 99999 (Photo Tachometer) rpm 0°C 0.5 (Contact Tachometer) rpm, 5 (Photo Tachometer) rpm DT-2236
RS庫存編號 244-0719
BrandRS PRO
HK$1,537.29
單位
±0.05 % Optical - AA LCD 72 x 37 x 208mm 280g 208mm 72mm +50°C 99999rpm 0°C 5rpm DT-2234B
RS庫存編號 845-9680
BrandRS PRO
HK$1,505.58
單位
±0.02 % Non Contact - AA LCD 170 x 70 x 40mm 250g 40mm 170mm +50°C 99999rpm 0°C 0rpm -
RS庫存編號 845-9674
BrandRS PRO
HK$1,848.71
單位
±0.02 % Contact, Non Contact - AA LCD 170 x 70 x 40mm 250g 40mm 170mm +50°C 99999rpm 0°C 0rpm -
RS庫存編號 845-9687
BrandRS PRO
HK$2,965.89
單位
±0.5 % Contact - - Dial 155 x 85 x 55mm 250g 55mm 155mm +40°C 10000rpm 0°C 10rpm -
RS庫存編號 845-9699
BrandRS PRO
HK$3,421.43
單位
±0.5 % Contact - - Dial 155 x 85 x 55mm 250g 55mm 155mm +40°C 10000rpm 0°C 10rpm -