A tachometer (revolution-counter, tach, rev-counter, RPM gauge) is an instrument measuring the rotation speed of a shaft or disk, as in a motor or other machine. The device usually displays the revolutions per minute (RPM) on a calibrated analogue dial, but digital displays are increasingly common.

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    BEETECH HTM-560 DIGITAL NON-CONTACT TYPE TACHOMETER

    SPECIFICATIONS

    • Display : 5 digits, 7 segments bright red LED
    • Measuring distance : 100 to 300mm
    • Range : 60 to 100,000 rpm Time base Quartz crystal
    • Circuit : Exclusive embedded one chip of micro controller LSI – circuit
    • Power source : 1.5V batteries AA, 1015, R6
    • Resolution : 0.1 up to 999.9 rpm 1 above 1000 rpm
    • Power rating : 0.7W at 120mA operation
    • Accuracy : ± ( 0.05% + 1d )
    • Operating temperature : 0˚C ~ 50˚C
    • Sampling : 1 second over 60rpm
    • Dimensions : 200 (L) x 75 (W) x 40mm (H)
    • Test range : Automatic
    • Weight : ≈ 280g (with batteries)
    • Measuring distance : 100 to 300mm
    • Optional : 230V AC-ac adapter

    FEATURES

    •  Display Mode: LED display
    •  Measuring rpm safely and accurately with wide range and resolutions.
    •  Exclusive micro controller LSI circuit, designed digitally for high reliability and versatility.
    •  Crystal controlled time base offers high accuracy and fast measuring time.
    •  Compact size fits comfortably in either hand for easy operation.
    •  Packed in padded plastic box which is easy to carry and ensures risk free storage
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  • ,

    BEETECH HTM-590 DIGITAL CONTACT TACHOMETER

    SPECIFICATIONS

    • Display : 5 digits, 7 segments bright red LED
    • Time base : Quartz crystal
    • Range : 60 to 50,000 rpm 6 to 5,000 rpm
    • Power source : 1.5V batteries AA, 1015, R6
    • Circuit Exclusive embedded one chip of micro controller LSI – circuit
    • Power rating : 0.3W at 60mA operation
    • Resolution : 0.1 up to 999.9 rpm 1 above 1000 rpm
    • Operating temperature :  0˚C ~ 50˚C
    • Accuracy : ± ( 0.05% + 1d )
    • Dimensions : 200 (L) x 75 (W) x 40mm (H)
    • Sampling : 1 second over 60rpm
    • Weight : ≈ 300g
    • Memory : Readout automatically memorized and held ( last, high and low values ) for 120s and automatically switches off
    • Optional : Extension shaft, flexible shaft, 200mm peripheral ring, 230V AC-ac adapter
    • Test range : Automatic

    FEATURES

    • Display Mode: LED display
    •  Measuring rpm/mpm safely and accurately with wide range and resolutions.
    •  Exclusive micro controller LSI circuit, designed digitally for high reliability and versatility.
    •  Crystal controlled time base offers high accuracy and fast measuring time.
    •  Compact size fits comfortably in either hand for easy operation.
    •  Packed in padded plastic box which is easy to carry and ensures risk free storage
    Read more