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FT-7200 - Advanced Handheld Tachometer
The FT-7200 Advanced Tachometer is an easy-to-use handheld digital tachometer offering high functions and performance. The use of FFT (Fast Fourier Transform) technology enables the FT-7200 to perform frequency analysis of rotation speed by using change of signal in sound, vibration or magnetic flux from rotating machines such as a motor or the like. Selection from 5 kinds of measurement modes allows it to calculate and display rotation speed of any complex waveform signals from a sound level meter or an accelerometer accurately by extracting the exact frequency component.   The FT-7200 enables non-contact measurement of rotation speed by sound or vibration from a measurement object with inaccessible rotating shaft such as a built-in motor in a product, which disabled using conventional tachometers. No need for affixing a reflection mark or modification to a rotating shaft of a measurement object. Also the use of new algorithm allows calculation and displaying with high follow-up performance, even a sudden change of rotation speed in rising/falling edge of a motor or accelerated/decelerated engine rotation, which has been disabled with conventional models. The FT-7200 is a battery-operated and easy to carry handheld tachometer facilitating on-site measurement. The FT-7200 can be used with various optional detectors by Ono Sokki; microphone and sound level meter, accelerometer and engine vibration detector, ignition pulse detector and so on. In addition, the FT-0801 cigarette lighter socket sensor is available for detecting voltage output from power outlet in vehicle. Selectable from wide range of detectors depending on your requirements.

  • Does not require the application of reflective markers.
  • Allows easy evaluation of RPM even when rotating shafts are not directly accessible.
  • Added versatility when combined with a range of detectors, including: Ignition pulse detectors, accelerometers, microphones and sound level meters.
  • Provided with an analog output and averaging functions.
  • Large size LCD with backlight for displaying the measured result.
Computing System FFT Calculation
Measurement RPM Range 250 Hz Range: 3.75 Hz to 250 Hz, 500 Hz Range: 7.5 Hz to 500 Hz, 2 kHz Range: 30 Hz to 2 kHz (18,000 to 99,999 r/min)
RPM Resolution Depends on Frequency Range and Number of Pulses Set
Measurement Accuracy ± 2 x RPM Resolution ± 1
Measurement Time 250 ms
Display 7 Segmant LED, 5 Digits, 10.2 mm Character Height
Pulse Count Set Range 0.5 to 200 in 0.5 Steps
Rotational Direction Determination Function Not Available
Exponential Averaging Select: Off, 2, 4, 8, or 16 Times
Analog Output 0 to 1 V / 0 to F.S.
Pulse Output Hi: 4.5 V or more, Lo: 0.5 V or less
Comparator Output Not Available
Interface None
Dimensions 189.5 mm (L) x 66 mm (W) x 47.5 mm (D)
Weight Approximately 230 g

Standard accessories; 4 x AAA batteries, carrying case and instruction manuals.