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 Calibrated Category Battery Life Battery Type Display Type Dimensions Weight Height Length Maximum Operating Temperature Maximum Speed Minimum Operating Temperature Minimum Speed
RS Stock No. 185-7271
BrandRS PRO
£148.70
Each
Units
±0.05 % RSCAL Laser - 1.5 V AA LCD 72 x 37 x 190mm 250g 190mm 72mm +50°C 99999rpm 0°C 10rpm
RS Stock No. 123-8771
BrandRS PRO
£98.49
Each
Units
±0.05 % - Laser - 1.5 V AA LCD 72 x 37 x 190mm 250g 190mm 72mm +50°C 99999rpm 0°C 10rpm
RS Stock No. 123-8773
BrandRS PRO
£120.85
Each
Units
±0.05 % - Contact - 1.5 V AA LCD 72 x 37 x 208mm 280g 208mm 72mm +50°C 19999rpm 0°C 0.5rpm
RS Stock No. 123-8812
BrandRS PRO
£222.38
Each
Units
±0.05 % RSCAL 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
RS Stock No. 123-8779
BrandRS PRO
£166.38
Each
Units
±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
RS Stock No. 846-0693
BrandRS PRO
£313.15
Each
Units
±0.02 % RSCAL Contact, Non Contact - AA LCD 170 x 70 x 40mm 250g 40mm 170mm +50°C 99999rpm 0°C 0rpm
RS Stock No. 845-9674
BrandRS PRO
£257.15
Each
Units
±0.02 % - Contact, Non Contact - AA LCD 170 x 70 x 40mm 250g 40mm 170mm +50°C 99999rpm 0°C 0rpm
RS Stock No. 846-0716
BrandRS PRO
£246.79
Each
Units
±0.02 % RSCAL Non Contact - AA LCD 170 x 70 x 40mm 250g 40mm 170mm +50°C 99999rpm 0°C 0rpm
RS Stock No. 845-9680
BrandRS PRO
£190.79
Each
Units
±0.02 % - Non Contact - AA LCD 170 x 70 x 40mm 250g 40mm 170mm +50°C 99999rpm 0°C 0rpm
RS Stock No. 419-5859
BrandRS PRO
£176.85
Each
Units
±0.05 % RSCAL Optical - AA LCD 72 x 37 x 208mm 280g 208mm 72mm +50°C 99999rpm 0°C 5rpm
RS Stock No. 244-0719
BrandRS PRO
£120.85
Each
Units
±0.05 % - Optical - AA LCD 72 x 37 x 208mm 280g 208mm 72mm +50°C 99999rpm 0°C 5rpm
RS Stock No. 845-9703
BrandRS PRO
£240.35
Each
Units
±0.5 % - Contact - - Dial 155 x 85 x 55mm 250g 55mm 155mm +40°C 10000rpm 0°C 10rpm
RS Stock No. 845-9699
BrandRS PRO
£433.08
Each
Units
±0.5 % - Contact - - Dial 155 x 85 x 55mm 250g 55mm 155mm +40°C 10000rpm 0°C 10rpm
RS Stock No. 845-9687
BrandRS PRO
£370.21
Each
Units
±0.5 % - Contact - - Dial 155 x 85 x 55mm 250g 55mm 155mm +40°C 10000rpm 0°C 10rpm
RS Stock No. 124-8459
Mfr. Part No.TKRT10
BrandSKF
£157.35
Each
Units
±0.05 (Optical Measurement) %, ±1 (Contact Measurement) % - Contact, Optical 12 h 9V LCD 60 x 42 x 160mm 160g 160mm 60mm +50°C 20000 (Contact Measurement) rpm, 99999 (Optical Measurement) rpm 0°C 2 (Contact Measurement) rpm, 3 (Optical Measurement) rpm
RS Stock No. 111-8153
Mfr. Part No.9300-HTK
BrandTrumeter
£184.76
Each
Units
±0.01% + 1 Digit - Contact, Non Contact - 9V - 29 x 49 x 147mm 95g 147mm 29mm +50°C 99999rpm 0°C 6rpm
RS Stock No. 327-6395
Mfr. Part No.0563 0470
BrandTesto
£225.13
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
RS Stock No. 307-4919
Mfr. Part No.CT6/LSR
BrandCompact
£358.94
Each
Units
±0.05 % RSCAL Optical - AAA LED - - - - - 99999rpm - 3rpm
RS Stock No. 373-998
Mfr. Part No.CT6/LSR
BrandCompact
£302.94
Each
Units
±0.05 % - Optical - AAA LED - - - - - 99999rpm - 3rpm
RS Stock No. 433-8618
Mfr. Part No.A2109/LSR
BrandCompact
£576.75
Each
Units
±0.05 % - Laser - AAA LCD 210 x 40 x 35mm 400g 35mm 210mm +40°C 99999rpm -20°C 3rpm
Related Products
A contact add on for optical tachometers or ...
Description:
A contact add on for optical tachometers or remote optical sensors. Operation range of 3 to 50000 rpm, 0.3 to 1500 metres per minute, 0.3 to 4500 feet per minute.
Accessories and spares for the RS Rotaro, Redpoint ...
Description:
Accessories and spares for the RS Rotaro, Redpoint and Mechanical tachometers. Suitable for Rotaro Tachometer 845-9674845-9738 Replacement contact adaptor845-9781 Welding wire speed adaptor Suitable for Optical Tachometers 845-9674 and 845-9680845-9731 Reflective tape for optical tachometers = 77 x 10 mm Suitable for Contact Tachometers 845-9674, 845-9687, 845-9699, 845-9700 and 845-9703845-9740 ...
The TKRT 20 tachometer from SKF is user-friendly ...
Description:
The TKRT 20 tachometer from SKF is user-friendly and provides accurate measurement of rotational and linear speeds. Its versatility is due to its range of contact adapters and laser, and works in five different modes. The tachometer has a large inverting LCD display which allows for easy reading even when ...
The Testo 465 series optical tachometer has a ...
Description:
The Testo 465 series optical tachometer has a maximum speed of 99999rpm and can measure rpm easily without contact using only one hand. The measuring instrument is thus suitable for measurements on rotating parts such as ventilators and shafts. Simply attach a reflective marker (optional) to the measurement object, point ...