RMS Communications S800N User Manual

Cable fault locator

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N Cable Fault Locator

V1.1

RMS Communications Inc.

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Page 1 N Cable Fault Locator V1.1 RMS Communications Inc.
Page 2: Table Of Contents
S800N 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 www.rmscommunications.net...
Page 3: Packing List
S800N 1. Packing List * Cable Fault Locator……………………. ..1pc * Charger……………………………….……1pc * User Manual………………………….……1pc * Test Leads……………………………. .…..2pc * Softcase……………………………. .……..1pc www.rmscommunications.net...
Page 4 S800N Pic 1：Apperance www.rmscommunications.net...
Page 5: Introduction
S800N can do auto test of various faults, and the details as follows: 1) DGAC(digital gain auto control ). This will reduce the waveform distortion caused by the Potentiometer knob;...
Page 6: Specifications
8) Working temperature: -15℃~45℃ Storage temperature: -20℃ ~55℃ 4. Working 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;...
Page 7 S800N get the distance too. So we can get the follows: Pic 2: Pulse reflection test mode V: Speed of the transmitting wave T: Round-trip time of the transmitting wave L: Distance between sender and faults point And the formula will be:...
Page 8: Lcd Display And Key Panel
S800N 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 www.rmscommunications.net...
Page 9 S800N LCD Display: 1. Battery Power: in the top right corner, there’s battery symbol which shows the current battery status, please charge the battery before low voltage. 2. Break 188m: the LCD display faults type and faults distance Distance: The cursor in place of the corresponding distance 3.
Page 10 S800N 6. Press “Auto” to do auto test: Lead 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 : Move the cursor and cooperate with “...
Page 11: Operation Steps
S800N 12： : Used to turn on/off the tester 6. Operation steps Determine the faults properties 6.1. Cable Break One or several cable cores disconnect 6.2. Cable Mix The insulation falls between the cable cores, and cause the signal attenuation bigger 6.3.
Page 12: Auto Test
S800N 6.6. Faults test Disconnect the test leads and station equipment, ensure the cable for test do not have power, use the QMS800N to do auto test first, if can not get the result, please use manual test. 6.7. Location...
Page 13 S800N 8.1 Modify Gain Press SET ,until the Gain xx is highlighted, press – or + to modify the Gain Value ( From 1 to 99); Press PULSE key, the tester will display the new waveform according to the new value of Gain.
Page 14: Reference Value Of Vop
S800N 9. Reference Value Of Cable Speed Number Insulating Medium Wave Speed (m/us) Air Insulation Coaxial Air Insulation Foam Polythene 240~260 Polytetrafluoroethylene Local Cable 190~202 Polythene Pulp 0.083UF/Mile Pulp 0.073UF/Mile Paper Full Of oil 140~168 Crossed Polythene 140~174 High Molecule Polymer 150~186 www.rmscommunications.net...
Page 15: Charge
S800N 10. Charge 1. The screen will show the current battery capacity, when the battery capacity is insufficient, please use the special charger equipped with the tester to charge the battery. 2. During charge, the indicator of the charger is red;...
Page 16 S800N www.rmscommunications.net...
Page 17 RMS Communications Inc Web: www.rmscommunications.net Email:sales@rmscommunications.net...