The Type 7 Acoustic Belt Tension Meter is suitable for measuring frequencies in all types of power transmission belts, ranging from toothed timing belts to poly-vee belts. The Type 7 Acoustic Belt Tension Meter has the function to operate in Newtons (N) and Pounds (Lbs) as well as Hertz (Hz). The Newtons and Pounds values is calculated from the belt span and belt mass data, which is entered into the meter. Up to 3 sets of data may be stored in the meter for easy recall. The display may be changed from Hertz, Newtons, and Pounds by the press of a single key. Based upon the measured belt frequency, the meter can calculate belt tensions up to 9,990 N (2,200 lbs).
Key Features:
Belt tension measured in Newtons (N), Pounds (lbs) and Hertz (Hz) with a range of 10-600Hz.
Calculate belt tensions up to 9,990 N (2,200 lbs)
Stores up to 3 sets of data for easy recall
Detachable, flexible acoustic sensor head with a 1m cable suitable for measuring belts with a maximum width of 10mm.
Additional sensor heads available to suit all environments
Battery operated (4 x AA), this belt frequency meter comes with rechargeable batteries and charger
Self calibration check tools included
Durable carry case included
The acoustic sensor head uses a Clavis patented technique for detecting the belt vibration signal whilst minimising ambient noise. The acoustic sensor is particularly suitable for belts which 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.
4 x AA (1.5V) Alkaline Batteries.
The Belt Tension 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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