Simpson 8455 V3 Operator'S Manual Download | Manualshive

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Simpson 8455 V3 And 8455A

Line Loop Testers

OPERATOR’S MANUAL

Model 8455 V3

Model 8455A

www.

.com

[email protected]

1.800.561.8187

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Summary of Contents for 8455 V3

Page 1: ...Simpson 8455 V3 And 8455A Line Loop Testers OPERATOR S MANUAL Model 8455 V3 Model 8455A www com information itm com 1 800 561 8187...

Page 2: ...nt and other articles manufactured by it to be free from defects in material and workmanship under normal use and service its obligation under this warranty being limited to making good at its factory...

Page 3: ...R4 10 Push button 8455 V3 10 10 5 Reverse Switch 10 11 TEST FOR GROUND 10 12 TEST FOR SHORT CIRCUIT 10 13 TEST FOR CROSSED CONDUCTORS 11 14 TEST FOR OPEN 11 15 TEST FOR SPLIT 12 15 1 Identify Split Co...

Page 4: ...from the 8455 V3 in that it substitutes a 0 10K range for the 0 200K range of the 8455 V3 The 2M range remains for points measurements but does not have a separate meter dial scale The 8455 V3 differs...

Page 5: ...or supplier immediately Check that all items and accessories are included with the instrument as listed in Table 2 1 5 ELECTRICAL CHECKOUT After determining that the 8455 is undamaged check the Instr...

Page 6: ...d it carefully before requesting any warranty repairs NOTE For all assistance contact the nearest Simpson Authorized Service Cen ter 7 SHIPPING Pack the Instrument carefully and ship it prepaid and in...

Page 7: ...ly de energized 8 Case Assembly Screws 4 Screws to be removed to access battery 9 SAFETY PRECAUTIONS The following safety symbols may be found in this manual and or on the Instru ment They call attent...

Page 8: ...n metallic dust can be explosive 7 Do not use this Instrument to make electrical measurements on blasting circuits or blasting caps 10 OPERATION 10 1 Mechanical Zero Adjustment For accuracy of all mea...

Page 9: ...strument was calibrated in this position 11 TEST FOR GROUND a Open conductors toward Central Office b Set the Instrument to mea sure resistance ON OFF switch to ON Press for Ohms depressed 8455A c Sho...

Page 10: ...to mea sure resistance ON OFF switch to ON c Connect one test clip to ground d Connect the other test clip to the good conductor not open e Operate the REVERSE switch back and forth slowly allow time...

Page 11: ...line POINTS Distance To Open 100 100 of line length 90 80 of line length 80 60 of line length 60 45 of line length 40 30 of line length 20 15 of line length 10 10 of line length 5 5 of line length 15...

Page 12: ...sent on a line conductor with respect to ground or by connecting the clips to both conductors any voltage present across the line 100 POINTS 100 volts NOTE The Instrument will not indicate the presenc...

Page 13: ...scribes how to maintain the Instrument in good operating condi tion This Instrument is carefully designed and constructed with high quality com ponents By providing reasonable care and following instr...

Page 14: ...condition can be checked on the 8455 V3 by setting the ON OFF switch to OFF REVERSE switch to normal and touching red test lead clip to battery terminal A meter indication of at least 35 POINTS 35 V...

Page 15: ...r transport should be checked frequently for specified accuracies If such facilities are not available the Instrument may be sent to the factory Service Department for an overall checkout repair if ne...

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