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Megger PAT120 User manual

Manual is about: PAT100 Series Portable Appliance Tester

Summary of PAT120

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    Pat100 series portable appliance tester user guide www .Megger.Com.

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    Www.Megger.Com 2 contents unpacking the carton 3 safety warnings 4 symbols used on the instrument 5 symbols used on the connection panel 6 instrument layout 7 pat120 and display information 7 pat150 and display information 7 measurement symbols 8 instrument buttons 9 user guide instruction symbols 9...

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    Www.Megger.Com 3 thank you for purchasing the megger portable appliance tester. For your own safety and to get the maximum benefit from your instrument, please ensure that you read and understand the safety warnings and instructions before attempting to use the instrument. These instruments are desi...

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    Www.Megger.Com 4 safety warnings the following safety warnings and precautions must be read and understood before the instrument is used. They must be observed during use. ■ only use test leads and accessories supplied or approved by megger instruments limited ■ at any time the g symbol or f symbol ...

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    Www.Megger.Com 5 product safety category catii 300 v - measurement category ii equipment connected between the electrical outlets and the user’s equipment. G 230 v ac powered leakage testing: connecting the pat150 to a 230 v ac supply will automatically switch the leakage tests from a 40 v ac test t...

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    Www.Megger.Com 6 symbols used on the connection panel pat120 connector panel pat150 connector panel g do not connect p1 and p3 sockets to hazardous live voltages p1 continuity (bond), insulation and touch leakage probe connection p3 iec power cord and extension lead adaptor socket. Mains i/p used fo...

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    Www.Megger.Com 7 instrument layout pat120 instrument layout pat150 display information pat120 display information pat150 test results test information information/ warnings overall pass/fail test information information/ warnings overall pass/fail test results neck strap slot test groups power on – ...

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    Www.Megger.Com 8 measurement (display) symbols pat120 & pat150 pat150 only continuity of the protective earth conductor test in progress insulation resistance between the live/neutral conductors and earth measurement locked on alternative method:- 40 v ac leakage test for protective conductor curren...

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    Www.Megger.Com 9 instrument buttons user guide instruction symbols power button - hold down for 0.5 second to switch on, hold down for 2 seconds to switch off abort button - press to stop test or exit a setup mode class i button class ii button extension lead button quick test button rcd test button...

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    Www.Megger.Com 10 carry strap fitting and removal fitting the carry strap: removing carry strap: connect the p1 test lead to socket p1 on the pat100 and the probe to exposed metalwork ensure the probe is not connected to a 230v source. Connect the p1 test lead to different conductive points on the e...

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    Www.Megger.Com 11 switching on / off switching on i) ii) iii) pat120 iv) >0.5 s switching off i) manual off ii) auto off >2 s unit switches after 3 minutes of inactivity (not adjustable) backlight aborting a test a test can be aborted at any time by pressing the power (esc) button.

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    Www.Megger.Com 12 class i test (pat120, 150) using substitute leakage @ 40 v ac i) ii) iii) connect bond lead p1 iv) class i @ 500 v or class i @ 250 v for it equipment >2 s v) ensure probe (p1) is connected vi) remove probe (p1) see note below vii) viii) class i pass note: if the contact symbol is ...

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    Www.Megger.Com 13 to repeat a continuity test (pat150 class i and extension lead tests only or ): press key during r cont (or r pe ) test to enable repeat test. The symbol will be displayed. When the timer symbol has disappeared and the repeat symbol is flashing, press to run repeat test press or to...

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    Www.Megger.Com 14 class i test (pat150) using mains voltage leakage @ 230 v ac mains powered testing of equipment with an earth return conductor i) ii) iii) a b c class 1 @ 500 v or class 1 @ 250 v >2 s iv) ensure probe p1 connected v) see note 1 vi) see notes 1, 2 & 3 below vii) warning: appliance ...

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    Www.Megger.Com 15 class ii test (pat120, 150) using substitute leakage @ 40 v ac battery powered testing of equipment without an earth return conductor i) ii) iii) a b insulation test @ 500 v or insulation test @ 250 v >2 s iv) ensure probe (p1) is connected v) repeat contact on all exposed conducti...

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    Www.Megger.Com 16 class ii test (pat150) using mains voltage leakage @ 230 v ac mains powered testing of equipment without an earth return conductor i) p1 ii) iii) a b c insulation test @ 500 v or insulation test @250 v >2 s iv) ensure probe (p1) is connected v) see note 1 below vi) warning: applian...

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    Www.Megger.Com 17 power cord test (pat120, 150) testing a standard power cord i) ii) iii) iv) insulation test @ 500 v or insulation test @ 250 v >2 s v) vi) note : for power cords longer than 5m the test can be re-run with a 1.0w pass limit by pressing the test button with 5 seconds of the continuit...

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    Www.Megger.Com 18 extension lead test (pat120, 150) testing an extension lead or multi-way extension lead i) ii) ii) insulation test @ 500 v or insulation test @ 250 v >2 s iv) v) vi) vii) note: multiple earth continuity tests can be carried out by pressing the qt button during the continuity test, ...

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    Www.Megger.Com 19 portable rcd test (pat150) testing a portable rcd or extension lead with built-in rcd i) ii) connect rcd iii) see note below 30 ma rcd or 10 ma rcd >2 s iv) press reset on rcd v) press test button on rcd vi) press reset on rcd vii) press reset on rcd viii) press reset on rcd ix) pr...

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    Www.Megger.Com 20 fixed equipment testing (pat150, 150r) only a continuity test is possible when testing fixed equipment without disconnecting the incoming supply. Use the quick test (qt) button to access the continuity test mode: i) ii) ensure probe (p1) is connected iii) iv) press 5 times to displ...

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    Www.Megger.Com 21 fail handling i) individual test fail indicated by a small cross: ii) overall fail indicated by a large cross: note : once an appliance has failed a test, further testing of the test group sequence is prevented for safety reasons, except for the extension lead testing.

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    Www.Megger.Com 22 quick test (pat15, 150r) qt = quick test - access to individual tests within a test group. To access quick test mode: or or connection for individual tests differs depending on the test group selected. Options: class i continuity (uses p1 probe) insulation 500 v insulation 250 v su...

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    Www.Megger.Com 23 quick test (qt) options example 1- class i continuity i) ii) iii) iv) leak (sub) i ins r cont r ma v w u qt example 2 – class ii 250 v insulation test i) ii) iii) iv) v) vi).

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    Www.Megger.Com 24 example 3 – class ii touch leakage test using the substitute (or alternative) method. I) ii) iii) iv) v) vi) vii) to repeat test note : to switch between test groups, press the test group buttons. To exit press the on/off button.

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    Www.Megger.Com 25 selv measurement within quick test (qt) separated extra low voltage (selv) measurement is performed automatically when the pat150 is connected to the electrical supply i) ii) iii) iv) v) vi) vii) for voltages for voltages ≥ 50v to exit quick test (qt) mode.

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    Www.Megger.Com 26 setup (pat150, 150r) changing pass limits and test times i) ii) iii) to select a test group to be modified press the relevant button: iv) screen displayed or or v) keep pressing the test group button to select the test to be changed vi) example changing insulation pass limit vii) p...

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    Www.Megger.Com 27 continuity lead null removes the resistance of the continuity test leads from the measured value to null the resistance of the iec test lead or an extension lead >2s to remove the lead null >2s to null the resistance of the p1 continuity test lead >2s continuity (p1) lest lead null...

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    Www.Megger.Com 28 rcd configuration portable rcd current rating can be changed between 10 ma and 30 ma portable rcd trip time for 30 ma can be set at either 200 ms (for bs 7071 conformity) or 300 ms (for iec 61540 conformity) portable rcd trip current selection i) ii) iii) press rcd button to change...

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    Www.Megger.Com 29 factory reset to default settings factory default settings setup - change test pass limits, test times and test lead resistance. Setup is “test group based” as the pass limit for a class i insulation test is different to a class ii insulation test. Factory default test limits varia...

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    Www.Megger.Com 30 region selection i) to return an instrument to factory default settings: ii) iii) iv) v) press + together for 2 seconds.

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    Www.Megger.Com 31 international model variations: continuity retest after fail (pat120, pat150 de, & ch models only) when a continuity test fails to meet the pre-set continuity resistance pass limit of 0.3 w, the test can be run again within 5 seconds at the higher 1.0 w limit. Example class i conti...

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    Www.Megger.Com 32 battery and fuse replacement (pat120, 150) battery type: 8 x 1.5 v alkaline lr6 (aa) or nimh hr6 rechargeable battery condition is shown by the following display symbols: 100% full 75% 50% 25% exhausted (flashing) to replace batteries or fuse: switch off the instrument. Disconnect ...

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    Www.Megger.Com 33 fuse replacement possible fuse failure is indicated by the symbol. F for fuse replacement remove battery cover as above. Withdraw fuse and check for failure. Replace with a fuse type: 1 x 100 ma (f) 250 v 1.5 ka hbc 4 x 20 mm preventive maintenance test leads should be checked befo...

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    Www.Megger.Com 34 specification environmental condition: operating ambient 20°c humidity nominal humidity continuity test test voltage compliance voltage: +4 v dc –0% / +10% (open circuit) test current bi-directional +200 ma -0% + 50 ma (into 2 Ω load) continuity accuracy resistance: ± 5% ± 3 digits...

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    Www.Megger.Com 35 specification frequency measurement range 50 hz test voltage 40 to 300 v ac accuracy ± 3% ± 3 digits resolution 0.1 v ac display range 40 to 300 v ac circuit test (carried out automatically, not available to user) test voltage 5 v test frequency nominal mains 50 hz test current saf...

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    This instrument is manufactured in the united kingdom. The company reserves the right to change the specification or design without prior notice. Megger is a registered trademark part no. Pat100_ug_en_v03 www.Megger.Com megger limited archcliffe road, dover kent ct17 9en england t +44 (0)1 304 50210...