RMS Communications S800N User Manual Download

Page: 14 / 17

S800N RMS

www.rmscommunications.net

9. Reference Value Of Cable Speed

Number Insulating Medium

Wave Speed

(m/us)

Air Insulation

294

Coaxial Air Insulation

282

Foam Polythene

240~260

Polytetrafluoroethylene 213

Local Cable of

Polythene

190~202

Pulp 0.083UF/Mile

216

Pulp 0.073UF/Mile

264

Paper Full Of oil

140~168

Crossed Polythene

140~174

High Molecule Polymer 150~186

Summary of Contents for S800N

Page 1: ...S S8 80 00 0N N Cable Fault Locator V1 1 RMS Communications Inc ...

Page 2: ...ions net 1 Catalog 1 Packing List 2 2 Introduction 4 3 Specifications 5 4 Working Principle 5 5 LCD Display and Key Panel 7 6 Operation steps 10 7 Auto Test 11 8 Manual Test 11 9 Reference value of VOP 13 10 Charge 14 11 Notes 14 ...

Page 3: ...S800N RMS www rmscommunications net 2 1 Packing List Cable Fault Locator 1pc Charger 1pc User Manual 1pc Test Leads 2pc Softcase 1pc ...

Page 4: ...S800N RMS www rmscommunications net 3 Pic 1 Apperance ...

Page 5: ...n be used for pure line adjust which is convenient for manual test 2 Auto identification technology of the digit wave form The unit can automatically identify the waveform that difficult to judge manually and test the dead zone clearly 3 Adopts high end True 32 bit ARM chip to cooperate with FPGA Field programmable gates array technology which will be in favor of performing the complicated operati...

Page 6: ...king Principle S800N Adopts Pulse reflecting technique to measure the cable faults And it belongs to remote sensing method this means the tester can get the correct location of the faults in office Operators do not need to go to the field sit either not need to cooperate with the opposite end The Principe as follows The tester send a pulse to the cable for test and the transmitting wave will refle...

Page 7: ...ve L Distance between sender and faults point And the formula will be 2L VT L VT 2 For example we send a pulse in a cable and after 20μS the wave return back to the sender and we know that in plastic cable the transmitting speed is 201m μS so we can get the distance L 201 20 2 2010m When the faults is short circuit faults the polarity is opposite between the sending pulse and the reflection ...

Page 8: ...nications net 7 pulse According to the polarity identification we can judge the faults as short circuit faults Pics as below Pic 3 Disconnection faults Pic 4 Short circuit faults 5 LCD Display and Key Panel Pic 5 LCD Display ...

Page 9: ...ults distance Distance The cursor in place of the corresponding distance 3 Gain Current Gain of current pulse signal Press Set to choose this item and operators can adjust the gain parameters through and 4 Range The current measurent range Press Set to choose this item operators can adjust the test range parameters through and 5 VOP The current Wave velocity value Press Set to choose this item ope...

Page 10: ...d operators to do fast operation Pic 6 Key Panel Keys 8 Pulse Press for one time the tester will test once 9 Auto Search for suitable testing range automatically and locates the most probable faults points 10 and Move the cursor and cooperate with Set to adjust parameters ...

Page 11: ...disconnect 6 2 Cable Mix The insulation falls between the cable cores and cause the signal attenuation bigger 6 3 Geo Gas Insulation drops between core wires to ground 6 4 Cross Talk and noise Cable wires soaking and the capacitance is bigger this will affect the communication 6 5 Poor Insulation Insulation drops between cable wires or between cable wires to ground ...

Page 12: ...true situation open the distributor box to confirm the location sit 7 Auto Test Press ON OFF key to pen the test connect the test leads with the tester and the cable for test press Auto the test result will appears Note the default VOP setting in the tester is 200m μS when do auto test operators should confirm whether this VOP is OK or not Please refer to the following description of how to modify...

Page 13: ...stance When modify the range please press SET until the Range xx is highlighted press or to modify the range 8 3 Modify the VOP The VOP value affect the accuracy of test results So operators would adjust the VOP value according to the cable type Please press SET until the VOP xx is highlighted press or to modify the range Adjust the range and VOP according to the cable length and cable type Press ...

Page 14: ...um Wave Speed m us 1 Air Insulation 294 2 Coaxial Air Insulation 282 3 Foam Polythene 240 260 4 Polytetrafluoroethylene 213 5 Local Cable of Polythene 190 202 6 Pulp 0 083UF Mile 216 7 Pulp 0 073UF Mile 264 8 Paper Full Of oil 140 168 9 Crossed Polythene 140 174 10 High Molecule Polymer 150 186 ...

Page 15: ...charge the indicator of the charger is red When the LED changes to green the charging is completed 3 Charge time no more than 2 3 hours 11 Notes 1 Avoid direct sunlight on the screen because when temperature is higher than 60 the contrast will go worse When temperature is below 60 the screen will be OK 2 Before test please measure the Voltage between the cables for test 3 Please Don t collide the ...

Page 16: ...S800N RMS www rmscommunications net 15 ...

Page 17: ...RMS Communications Inc Web www rmscommunications net Email sales rmscommunications net ...

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