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SkidWeigh  “weighing  cycle”  will  be  automatically  activated  every  time  load  is  lifted  just  above  the  ground.  The 
increase in pressure is converted in an electronic signal at the sample rate of 16000 readings per session which is 
converted into a load weight reading utilizing proprietary software algorithm. 

Pressure transducer installation 

The  pressure  transducer  must  be  installed  in  the  lifting  hydraulic  line

 

between  the  lift  control  valve  and  lift 

cylinder(s). 

Mount  a  T-piece  in  hydraulic  line.  In  some  cases  you  can  install  the  pressure  transducer  in  the  flow 

divider, drilling and tapping for 1/4”-18 NPT male in spare plug (single or double mast configuration) or in the body of 
the flow divider.  In some cases you can drill and tap on “larger elbow” if available in the hydraulic lifting circuit found 
in vehicles with larger hoses accommodating larger vehicle lifting capacities. 

Pressure transducer installation precautions  

Before installation of the pressure transducer the hydraulic lift circuit must be pressure free.                                          

There are two ways to do that:                                                                                                                                         
1. Place the forks on the ground in their lowest position and make the hydraulic system pressure free by tilting the 
mast forward. The chain(s) should be slack.                                                                                                                               

2. Lift the forks and position them on the top of a supporting fixture. Start lowering the lifting cylinder into its lowest 
position. Be sure that chain(s) are slack.                                                                                                                       
Make sure that that installed pressure transducer will not touch any moving parts or assembly of the vehicle while in 

normal operation. Pressure transducer has 1/4”-18 NPT male thread.

 Use 

thread seal to ensure tight fit. 

Selecting the mounting location for digital indicator 

Use the mounting flange and fasten digital indicator on the vehicle dashboard or 
side  railing  preferably  on  the  right  hand  side.There  are  many  examples  of 
mounting  locations  that  will  depend  on  the  vehicle  model.  However,  additional 
mounting items such as a flat brackets may be needed to help secure the unit to 
upper right corner of the guard or side railing.  

Choose the correct location and make sure that:                                                                                                               
- Indicator is visible and within reach of the operator                                                                                                          
- Location so that operator does not hit a head                                                                                                                

Electrical Connections   

                                                                                                                                 

All SkidWeigh systems operate from 12 to 55 VDC.     

                                                                                                        

(For voltages above 55 VDC order voltage convertor  Part No. VC160)                                                                                                             

 

 

     

                                                                                                                     

-

Orange Wire (+) Ignition switch On position                                                                                                                      
- Brown Wire (-) Battery negative                                                                                                                                                      
- Red Wire, connect to RED wire of the pressure transducer cable                                                                                     
- Black Wire, connect to BLACK wire of the pressure transducer cable                                                                     
- White Wire, connect to WHITE wire of the pressure transducer cable                                                          

Optional Dry Relay Contacts for External Overload Alert

 

(

Contact current rating, max. 1A)

              

Yellow Wire  N.C.  

   

- Blue Wire   N/O.   

    

- Green Wire     Common

   

                                                                                                          

 

Integrated Visual Data Technology Inc.,   3439 Whilabout Terrace, Oakville, Ontario, Canada  L6L 0A7

    

Summary of Contents for SkidWeigh Classic

Page 1: ... Classic Lift Truck Onboard Check Weighing Scale With Overload Alert SC Integrated Visual Data Technology Inc 3439 Whilabout Terrace Oakville Ontario Canada L6L 0A7 Installation Calibration Operator Usage Guide ...

Page 2: ...roper crimping tool Regardless of the method you choose ensure that the connection is mechanically sound and properly insulated Use high quality electrical tape and shrink tubing where necessary This product is connected directly to the vehicle s ignition switch 12 to 55 VDC There is no on off switch on the unit For vehicles with voltages higher than 55 VDC use voltage convertor 36 to 160 VDC Part...

Page 3: ...ering the lifting cylinder into its lowest position Be sure that chain s are slack Make sure that that installed pressure transducer will not touch any moving parts or assembly of the vehicle while in normal operation Pressure transducer has 1 4 18 NPT male thread Use thread seal to ensure tight fit Selecting the mounting location for digital indicator Use the mounting flange and fasten digital in...

Page 4: ...D display If the above test is valid then the system electrical connections are done right The next procedure will be to calibrate the SkidWeigh weighing function Use paper clip to access buttons M and Arrow Up Lift truck equipped with hydraulic accumulator If the standard SkidWeigh system is installed on the lift trucks equipped with hydraulic accumulators please contact us to provide you with di...

Page 5: ...To initiate calibration press the M key use a paper clip and hold it down for approx 5 seconds and Mode number 8 will change to number 0 System is ready for automatic zeroing of the scale function When LED display is showing 0 in Mode digit lift the empty forks just above the ground to automatically calibrate zero value for empty forks being lifted Activate the lift control valve as you would do d...

Page 6: ... arrow up button increments from 0 to 9 for each digit wrap around To move to next digit press M button Start with least significant digit In our case this is 0 Use M button to increment to the next digit on LED display To enter the second digit press the M button and Mode digit will increment to the second Keep pressing M button and enter a third forth and fifth values As the input for known load...

Page 7: ...ay will show the value of calibrated Known load weight of 4000 Lower the load to the ground System will go automatically into operational mode System is ready to be used Mode digit will display number 8 Note If system is set up for overload alert the Mode 7 will be shown automatically when loaded forks are lowered to ground Follow instruction for overload alert value input Weighing calibration fun...

Page 8: ... access buttons M and Arrow Up Make sure 0 number is inputed for digit 5 In our example for overload value of 4500 has only 4 digits As soon the last digit is inputed into the system Mode 7 will change to Mode 8 which is the normal operational mode Note If the lifted load is above preset overload value of 4500 the LCD display will Show actual overload value LED display showing the overload value w...

Page 9: ...oad weight total will be updated System will also show number of load weights taken Green Button Standard with SC2 series With LED display showing the latest accumulative load weight total by pressing green button system will reset Another accumulative load weight total function can be initiated Overload Alert Standard with SC1 and SC2 series The overload visual alert will be deactivated when load...

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