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. 123-8771
BrandRS PRO
HK$1,126.72
Each
units
±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 Stock No. 705-9576
Mfr. Part No.P01174810
HK$3,854.34
Each
units
±6 Counts Non Contact 260 5-Minute Tests (Optical Sensor), 600 5-Minute Tests (External Sensor) - LCD 72 x 47 x 216mm 250g 216mm 72mm +55°C 100000rpm 0°C 6rpm C.A 1725
RS Stock No. 123-8773
BrandRS PRO
HK$1,382.52
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 DT-2235B
RS Stock No. 373-998
Mfr. Part No.CT6/LSR
BrandCompact
HK$5,147.18
Each
units
±0.05 % Optical - AAA LED - - - - - 99999rpm - 3rpm CT6/LSR
RS Stock No. 244-0719
BrandRS PRO
HK$1,537.29
Each
units
±0.05 % Optical - AA LCD 72 x 37 x 208mm 280g 208mm 72mm +50°C 99999rpm 0°C 5rpm DT-2234B
RS Stock No. 123-8779
BrandRS PRO
HK$1,903.39
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 DT-2236
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. 468-6024
Mfr. Part No.A2108/LSR/232
BrandCompact
HK$3,451.68
Each
units
±0.1 % Laser - AAA LED - - - - - 60000rpm - 100rpm A2108/LSR/232
RS Stock No. 468-6030
Mfr. Part No.A2108
BrandCompact
HK$3,009.18
Each
units
±0.5 % Contact, Optical - AAA LED - - - - - 60000rpm - 100rpm A2108
RS Stock No. 845-9680
BrandRS PRO
HK$2,182.58
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. 705-9579
Mfr. Part No.P01174830
HK$5,186.02
Each
units
±6 Counts Contact, Non Contact 260 5-Minute Tests (Optical Sensor), 600 5-Minute Tests (External Sensor) - LCD 72 x 47 x 216mm 250g 216mm 72mm +55°C 100000rpm 0°C 6rpm C.A 1727
RS Stock No. 111-8153
Mfr. Part No.9300-HTK
BrandTrumeter
HK$2,233.49
Each
units
±0.01% + 1 Digit Contact, Non Contact - 9V - 29 x 49 x 147mm 95g 147mm 29mm +50°C 99999rpm 0°C 6rpm 9300
RS Stock No. 330-3582
Mfr. Part No.A2103/LSR
BrandCompact
HK$3,097.15
Each
units
±0.05 % Laser - AAA LCD - - - - - 99999rpm - 3rpm A2103/LSR
RS Stock No. 845-9674
BrandRS PRO
HK$2,941.81
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. 845-9687
BrandRS PRO
HK$4,235.18
Each
units
±0.5 % Contact - - Dial 155 x 85 x 55mm 250g 55mm 155mm +40°C 10000rpm 0°C 10rpm -
RS Stock No. 330-3576
Mfr. Part No.A2103
BrandCompact
HK$3,322.78
Each
units
±0.05 % Optical - AAA LCD - - - - - 99999rpm - 3rpm A2103
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
RS Stock No. 124-8459
Mfr. Part No.TKRT10
BrandSKF
HK$1,832.06
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 TKRT 10
RS Stock No. 124-8481
Mfr. Part No.TKRT20
BrandSKF
HK$4,233.83
Each
units
±0.01 (Optical Measurement) %, ±1 (Contact Measurement) % Contact, Optical 24 h AAA LCD 40 x 39 x 213mm 170g 213mm 40mm +40°C 50000 (Contact Measurement) rpm, 99999 (Optical Measurement) rpm 0°C 3 (Optical Measurement)rpm TKRT 20
RS Stock No. 205-520
Mfr. Part No.CT6
BrandCompact
HK$3,147.11
Each
units
±0.05 % Optical - AAA LED - - - - - 99999rpm - 3rpm CT6
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