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TYPE 5 BELT METER

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The Type 5 Belt Meter  is capable of measuring belt vibration frequencies between 10Hz and 600Hz.  This belt meter has the function to operate in kilogram-force (KgF) as well as Hertz (Hz).

This value 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 a Hz to a KgF reading by the press of a single key.  Rechargeable batteries provide 30 hours of continuous operation.  Automatic power off occurs 2 minutes from the last use of the meter.  A carrying case and a mains supply charger is supplied with the meter.

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.  Read more about calibration...

You can expect each device to have the following;

  • CLAVIS Patented Sensor
  • Carrying Case
  • Tuning Fork (Checking Calibration)
  • Calibration Certification
  • Battery Charger
  • Rechargeable Batteries

RS232C Serial Communication

Each time a reading is taken the value is transmitted through the RS232 serial port.  The following protocol is employed; Baud Rate 9600, 8 data bits, 1 stop bit.  The value string is terminated by a 'CR', (Decimal 13).  Output is through a 9 way D' type plug, (Pin 5 common, Pin 3 Transmit).  Handshaking is not employed.  This is present in both the Type 5 and the Type 7 Belt Meter.

Sensor Head

Depending on the type of belt you require to measure the Type 5 is available with either an Optical (Type 12) or Acoustic (Type 3) sensor head.

The Optical sensor head uses an invisible infrared beam to detect vibrations of the belt.  A narrow angle orange LED generated beam is provided to guide the aiming of the sensor.  The very best signal from the belt is seen when the sensor is held perpendicular to the belt at the centre of the span at 9.5 mm (3/8 in) distance.

The Acoustic sensor uses a CLAVIS patented technique for detecting the belt vibration signal whilst minimising ambient noise.  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.  A range of sensors is available to suit belts of differing widths.

A general purpose head is supplied.  A range of interchangeable sensing heads with differing dimensions is available upon request.  For more information about our sensor heads please click here.

Technical Specifications

Measurement Range
Frequency Range 10 to 600Hz
Measurement Accuracy
Below 100Hz +/- 1 significant digit
Above 100Hz +/- 1%
Belt Mass input range 0.001 to 0.990kg/m
Belt Span input range 0.001 to 9.990 meters
Environment Conditions
Operating Temperature +10℃ to +50℃
+50℉ to +122℉
Shipment & Storage Temperature +5℃ to +70℃
+23℉ to +158℉
Protection Class IP54
Sensor
Type Infrared Optical
IR Wavelength 970mm
Visible Aiming Beam Narrow angle orange LED
Housing Machined aluminium
Cable length 1m
Power Supply
Battery Type AA (1.5V) Alkaline only
Number 4
Expected life 20 hrs
Compartment Location Back of meter
Optional Rechargeable Batteries
Battery Type AA (1300 mAh minimum)
Charger 12 to 15 V DC output
Socket/polarity 3.5mm positive centre
Physical Measurements
Height 185mm
Width 100mm
Depth (Top) 45mm
Depth (Bottom) 36mm


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