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Page 1: ...1 OPERATING INSTRUCTIONS BELT TENSION MEASUREMENT SYSTEM VERSION 2 2 ...
Page 2: ...General information on belt tension 10 Measuring the belt span tension 10 Measuring the belt tension 11 Measurement procedure 12 Checking the measurement probe Frequency test 12 Notes on positioning the measurement probe 13 Measurement step 13 Measurement evaluation green yellow red 14 Storing measurements 15 Procedure 15 Calling up stored measurements 15 Procedure 15 Switching off the instrument ...
Page 3: ...sswitchedoff masterswitch andsecuredagainstunintentionalrestarting Personnelmustbeinformedinatimelymannerthatmeasurementswill beperformed Ifnecessary clearlymarkandcordonofftheserviceareaatoraroundthe machine forexample byusinglinesorropes Themeasuringandsettingofthebelttensionmustonlybeperformedby qualified instructedtechnicalstaffwhilefollowingthespecificinstruction manualfortheinstrumentaswella...
Page 4: ...otectionoftheenvironment Dischargedbatteriesandrechargeablebatteriesshouldnotbedisposedof alongwithhouseholdwaste Theycanbetakentocollectionsitesforused batteriesorspecialwaste Findoutwherethesesitesarelocated At the end of its service life this product must not be disposed of along with normal waste but must be taken to a collection site for the recycling of electrical and electronic devices The ...
Page 5: ...example from coming into contact with oil or grease Maintenance In case of any malfunction contact the manufacturer Do not open the instrument yourself The warranty will expire if unauthorized persons attempt to repair or otherwise tamper with the instrument Storage must always take place under dry conditions Transport the instrument only in its original case Note The manufacturer assumes no respo...
Page 6: ...es no liability DELIVERED ITEMS This Belt Tension Pro measurement instrument is delivered in a durable plastic case A measurement probe and a 9 V battery are also supplied PRODUCT ADVANTAGES Precise measurement of belt tension Precise measurement of rotary speed Precise calculation of belt span tension Built in frequency test for checking the measurement probe Required for recording in accordance ...
Page 7: ...UREMENT PROBE Remove the measurement probe from its case insert the measurement probe connector into the socket on the Belt Tension Pro Secure the connector by tightening both screws Caution Do not over tighten the two screws Measurement probe ...
Page 8: ...settings and measurement results The measurement probe 3 registers the characteristic frequency of the tensioned free belt by using pulsed light or the rotary speed and communicates the measurement values to the Belt Tension Pro Belt Tension Pro Overview 1 Operating buttons 2 Display 3 Measurement probe 1 2 3 ...
Page 9: ...l various functions 1 ON OFF switch or storage of measurements 2 ENTER 3 Strand length 4 Belt mass or belt type selection in the storage mode readout of measurement results 5 Arrow c Change values increase 6 Arrow d Change values decrease 1 2 3 4 5 6 ...
Page 10: ...es of the belt tension the belt mass and the belt length are input The calculated trum force is compared with the nominal value that is defined during the design of the drive The trum force is calculated using the following formula F 4 m L2 f2 In this formula F trum force in N m belt mass per unit length in kg m L length of the free belt strand in m f measured characteristic frequency of the free ...
Page 11: ... a short impulse or by striking it lightly This static characteristic frequency is measured by the probe by using light pulses There must be a sufficient amount of light reflected from the belt By using the measured data along with the mass of the belt and the length of the free belt strand from the integrated belt database for example the Belt Tension Pro calculates the trum force The readout of ...
Page 12: ...out this 25 Hz in the display The readout can vary in the range from 24 7 Hz to 25 3 Hz 1 Switch on the Belt Tension Pro using the ON OFF 1 button 2 Switch to the Freq Test using the ENTER button see Menu structure p 19 3 Using the d c button switch on the frequency test the display begins to flicker at a nominal frequency of 25 Hz 4 Hold the measurement probe up close to the display 5 The measure...
Page 13: ...tructure p 19 3 Alternatively select the belt data from the implemented belt database see the next page 4 Set the drive belt into natural oscillation by striking it 5 Hold the measurement probe over the drive belt at approximately the center of the free belt span length The distance from the belt can be between 3 and 20 mm 6 In the display the readout is in Newtons or Hertz A successful measuremen...
Page 14: ...ar indicates if the measured values lie below left belt too loose or above right belt too tight the nominal values In the above example the result is in the green area measured value OK the trend shows that the force is tending more to be too small than to be too large In addition an evaluation of the measurement result is shown in the display using distinct symbols to the right near the measured ...
Page 15: ... Confirm with ENTER Store appears in the display 5 Confirm with ENTER OK or cancel using button Store 1 Esc 6 After storing the message Stored in X appears in the display CALLING UP STORED MEASUREMENTS You may call up measurements stored in the instrument at any time Procedure 1 Press button ON OFF 1 Storage No X appears in the display 2 Using T S arrow buttons 5 6 select Storage No 3 Press button...
Page 16: ...nsultthecontinuallyupdatedbeltdatabaseat www statuspro de 1 Switch on the Belt Tension Pro 2 Press button 4 to input the mass of the belt see Overview p 9 as well as Menu structure p 19 3 Press button 4 again now using the T S buttons select the belt data from the implemented PC Software belt database 4 Acquire the belt data using the ENTER button 5 The instrument is now ready for making measureme...
Page 17: ...ate measurements that have been made In addition you can easily manage the belt database and customize it through updates See the accompanying documentation entitled Belt Tension Pro PC Software Caution For connecting the Belt Tension Pro to a PC only use a special BG 810000 cable If a regular RS232 cable is used the instrument can be damaged ...
Page 18: ...or plastic IP66 Housing dimensions WxHxD 75 x 115 x 35 mm 2 95 x 4 53 x 1 38 inches Carrying case dimensions 230 x 220 x 75 mm 9 06 x 8 66 x 2 95 inches Display 2 line LCD 12 x 60 mm 0 47 x 2 36 in with background illumination Languages language selection for three languages Input limits free belt strand 30 9 999 mm Input limits belt mass 0 001 9 999 kg m Number of storage locations 255 Voltage su...
Page 19: ...ow buttons UP DOWN Germ French Engl and press ENTER Set units using arrow buttons UP DOWN mm inch and press ENTER Set sensitivity using arrow buttons UP DOWN Value 1 50 1 highest sens 50 lowest sens Set display contrast using arrow buttons UP DOWN Value 24 63 and press ENTER Set backlight ON OFF using arrow buttons UP DOWN and press ENTER Set frequency test ON OFF using arrow buttons UP DOWN and p...
Page 20: ...hum All rights reserved This handbook or parts thereof may not be copied or reproduced in any other manner without the prior consent of Status Pro GmbH The technical accuracy and completeness remain reserved and can be changed without notification Comments on any errors in this handbook are welcome at any time www statuspro de info statuspro de ...
