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 AutomotiveTrainsLaser instrumentsLaboratoriesMarine 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 Stock No. 327-6272
Mfr. Part No.0563 0465
BrandTesto
HK$1,879.48
Each
units
- Optical 40 h AA LCD 5.7 x 2.3 x 8in - 8in 5.7in +122°F 99999rpm +32°F 1rpm Testo 465
RS Stock No. 327-6395
Mfr. Part No.0563 0470
BrandTesto
HK$2,575.49
Each
units
±0.02 % Contact, Optical 40 h AA LCD 175 x 60 x 28mm - 6.9in 2.4in +50°C 99999rpm 0°C 1rpm Testo 470