The Type 4 Belt Frequency Meter with Acoustic Sensor head has a frequency measurement range of 30Hz to 600Hz and uses an acoustic sensor head.
The Type 4 Acoustic Belt Frequency Meter is suitable for measuring frequencies in all types of power transmission belts, ranging from toothed timing belts to poly-vee belts. This meter is useful where there is a requirement to measure tension in a variety of belts, some vibrating at low frequencies.
Key Features:
The Type 4 Belt Frequency Meter – Acoustic Sensor Head comes with a ACO T03 sensor head as standard. The sensor head is suitable for belts with a maximum width of 10mm and has a cable length of 1m. The acoustic sensor head uses a Clavis patented technique for detecting the belt vibration signal whilst minimising ambient noise, ensuring an accurate reading. The acoustic sensor is particularly suitable for belts that vibrate poorly or where the amplitude of belt vibration is very small.
The ‘jaws’ of the sensor should be positioned over the centre of the belt and placed mid length of the belt span. The sensor should not be allowed to touch the belt as this will reduce the belt vibration signal.
An additional range of sensors are available to suit belts of differing widths, view here
4 x AA (1.5V) Alkaline Batteries.
The Belt Frequency Meter is compatible with user-supplied rechargeable batteries and a recharging unit. A convenient 3.5mm, positive centre charging socket is located on the bottom end of the meter body adjacent to the sensor cable plug-in port. Charging time is typically 12-14 hours for a full charge. Rechargeable batteries provide 30 hours of continuous operation.
Every Clavis meter is supplied with a precision mechanical resonator (tuning fork) for simple calibration validation by the user. If you have additional calibration requirements, Clavis can supply a Sonic Calibration Meter.
The measurement system of the Belt Frequency Meter is based upon a very stable quartz crystal that should never wander. However, a precision mechanical resonator (tuning fork) is included with the meter so that a calibration check at a spot frequency of 250Hz may be performed at any time.
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