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Máy đo tốc độ vòng quay Ono sokki FT-7200 Advanced Handheld Tachometer

Mã sản phẩm: FT-7200
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Máy đo tốc độ vòng quay Ono sokki FT-7200 Advanced Handheld Tachometer

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Liên hệ
Model : Ono Sokki FT-7200

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.
 

Overview Specifications

Measurement Section
Measurement object DC motor, compressor, engine or other general rotating objects
Calculation method FFT calculation method
Measurement time 250 ms or less
Input frequency range
2000 Hz range 30 to 2000 Hz (1,800 to 99,999 r/min)
 500 Hz range 7.5 to 500 Hz (450 to 30,000 r/min)
 250 Hz range 3.75 to 250 Hz (225 to 15,000 r/min)

(at 1 P/R )

Measurement unit r/min (rotation speed)
Measurement accuracy

±2 x rotation speed resolution (r/min), ±1 count

* The rotation speed accuracy depends on the frequency range.

Minimum rotation speed resolution

Frequency range (Hz) ÷ 6400 x 60 ÷ the number of pulses set (P/R)

* The resolution becomes coarse when the rotation speed is accelerating or decelerating.
   6400 = 200 lines x 32

Filter function Limited to the frequency range that you want to measure (rotation speed range) from the overall range of the selected frequency range
Averaging function Moving average
No. of averages: OFF, 2, 4, 8, 16
Sensor amplifier sensitivity adjustment dial The sensor amplifier sensitivity can be adjusted by using the rotary dial located on the right side of the main unit.
Detection section
Applicable detector
Engine rotation OM-1500, OM-1200, IP-292, IP-296, IP-3000A, IP-3100, FT-0810
Vibration VP-202, VP-1220, NP-2000 series NP-3000 series
Sound MI-1432(microphone)+ MI-3111(preamplifier)
Others Magnetic flux leakage sensor, LED reflected-light optical fiber sensor

* Please note, however, that detection may not be performed correctly depending on the engine or measurement object.

Voltage level    5 V  :Max ± 5 V
0.5 V  :Max ± 0.5 V
0.05 V:Max ± 0.05 V
Input coupling AC coupling
Power supply for NP sensor Constant Current Power Supply (2.4 ±0.5 mA)
Display section
The number of display digits 5 digits
Character height 10.2 mm
Display 7-segment LCD with backlight
Display update time 0.5 ± 0.2 seconds
Display resolution 1 r/min
Measurement mode section
CNS(Constant)
Mode A, B Use this mode when there are minimal fluctuations in rotation speed of an object under measurement. (when measuring the rated speed or similar)
ACT(Active)
Mode C, D, E Use this mode when rotation speed of an object under measurement accelerates or decelerates. (please note, however, that measurement may not be performed correctly in the case of sudden changes)
Analog output section
【REVO】Analog output
Signal output In proportional to the rotation speed displayed value
Voltage range 0 to 1 V/0 to F.S.(F.S. can be specified optionally.)
Conversion method 10 bit D/A conversion method
Linearity ±1 % of F.S.
Output update time 250 ms or less
Temperature stability ±0.05 % of F.S./ °C (Zero & Span)
Setting error ±0.5 % of F.S. (adjustment setting error at the time of shipment from the factory, ZERO & SPAN)
Load resistance 100 kΩ or more
Output connector Ultra-mini jack (Φ 2.5)
【SIG】Analog output for monitor
Signal output Analog output for monitor after waveform shaping of sensor signal
Load resistance 100 kΩ or more
Output connector Ultra-mini jack (Φ 2.5, same which is also used as REVO output.)
Pulse output section
Output signal Frequency pulse of power spectrum extracted with FFT processing
Output voltage Lo: 0.5 V or less, Hi: 4.5 V or more(with no-load)
Output update time Steady rotation measurement mode(Constant):500 ms or less
Rotation acceleration/deceleration measurement mode (Active):250 ms or less
Load resistance 100 kΩ or more
Output connector Ultra-mini jack (Φ2.5, same which is also used as REVO output.)
General specifications
Power source Type AAA battery cell x 4 pcs. or PB-7090 exclusive AC adapter (option)
Continuous operating time

Approx. 6 hours (when the backlight is off.)
Approx. 5 hours (when the backlight is on.)
(When alkaline batteries are used at a temperature of 20 °C; excluding the use of an NP series accelerometer *1)

*1: When an NP series accelerometer is used, current consumption increases because of the constant current power supply used to drive the NP series accelerometer. Use of the exclusive adapter is therefore recommended.

Battery LOW display The "LOW" mark flashes when the voltage has dropped to approx. 4.2 V.
Operating temperature range 0 to +40 °C
Storage temperature range -10 +50 °C
Operating humidity range +35 to +85 % RH (with no condensation)
Storage humidity range +35 to +85 % RH (with no condensation)
Outer dimensions 189.5(L)× 66(W)× 47.5(D)mm (main unit only)
Weight Approx 230 g (main unit only; not including batteries)
Accessories Type AAA alkaline battery cell x 4 pcs., carrying case, instruction manuals (3 kinds)

Options

Ignition pulse detector (Primary side)
IP-292

Photo(IP-292 Ignition pulse detector)

Ignition pulse detector (Secondary side)
IP-296

Photo(IP-296 Ignition pulse detector)

Ignition pulse detector
IP-3000A

Photo(IP-3000A Ignition pulse detector)

Ignition pulse detector
 IP-3100

Photo(IP-3100 Ignition pulse detector)

Motor/gasoline engine RPM detector
OM-1500/1200

OM-1500 モータ/エンジン回転検出器 Photo(OM-1200 Ignition pulse detector)

DC motor rotation detector
FT-0501

Photo(FT-0501 Magnetic flux leakage sensor)

Piezoelectric-type accelerometers
NP-2000/3000 Series

Photo(Piezoelectric-type accelerometers)

* Charge amplifier is required
additionally when NP-2000 series accelerometer is used.

 
Engine rotation detector
VP-202

Photo(VP-202 Engine rotation detector)

Engine rotation detector (High-sensitive type)
VP-1220

Photo(Engine rotation detector (VP-1220 High-sensitive type)

Cigarette lighter socket sensor
FT-0801

Photo(FT-0801 Cigarette lighter socket sensor)

Input voltage:12 or 24 V
Cable length:2 m
Connector:BNC

 
Magnetic stand/stand jig
HT-0522/0521B

Photo(HT-0522/0521A Magnetic stand/stand jig)
The state which attached
the main body.

Tripod
LA-0203D

Photo(LA-0203C Tripod)

AC adapter
PB-7090

 

Photo(PB-7090 AC adapter)

Analogue output signal cable (2 m)
AX-501

Photo(AX-501 Analogue output signal)
Used for both analog and pulse outputs, Φ 2.5 pin plug – CO2 plug (BNC)


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