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ET-809

Insulation-Continuity Tester

User Manual

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Summary of Contents for ET-809

Page 1: ...ET 809 Insulation Continuity Tester User Manual ...

Page 2: ...x Safety Precautions 1 2 Safety Notes 3 Features 3 4 Connections 4 Specifications 5 Why Test is Necessary 6 Instrument Layout 7 Simplified Instructions 8 9 Preparation for Measurement 9 Functions 10 16 Battery Fuse Replacement 17 Calibration Servicing 17 Cleaning Storage 17 ...

Page 3: ... of built in warning features should your analog insulation tester be connected to a live system 1 3 Never open your analogue insulation tester except for battery replacement see battery replacement section 1 4 Always inspect you analog insulation tester and test leads before use for any sign of abnormality or damage If any abnormal conditions exist broken test leads cracked case display faulty et...

Page 4: ...s procedures 1 8 Your analogue insulation tester has a live circuit warning beeper If it is connected to an AC live circuit a beep of twice the frequency of the voltage present will be heard DO NOT proceed to test and immediately disconnect the instrument from the circuit In addition the warning light will illuminate if the voltage is above 100Vdc or 70Vac When AC voltage is present before testing...

Page 5: ... insulation Warning risk of electric shock Caution refer to this manual before using the meter 3 Features High quality taut band movement Three insulation test voltages 1 250Vdc 100MΩ 2 500Vdc 200MΩ 3 1000Vdc 400MΩ Two continuity test on Low Ohms 1 500Ω 2 3Ω Small and Lightweight AC voltmeter with linear scale up to 500Vac 205mA continuity short circuit current 1mA test current on insulation test ...

Page 6: ...ttery is ok Very low battery consumption On Load battery check 205mA load for worst case Operates on 8 dry batteries AA R6P type Mirrored scale for easy and accurate reading Push and turn locking switch for long and hand free testing Supplied with high quality test leads Meets LVD IEC EN 61010 1 EMC EN 61326 1 2006 CLASS B EN 61326 1 2006 EN 61000 4 2 2001 EN 61000 4 3 2007 4 Connections ...

Page 7: ...y knob Output short circuit current 205mA Accuracy 1 5 of scale length AC VOLTAGE Range 0 500Vac Accuracy 3 of scale length GENERAL Voltage Warning Warning light circuit live illuminate from 90Vdc 70Vac Buzzer beep from 24Vac dc Battery Check Battery Check indicate good batteries from 8Vdc to 13Vdc during a load test of 205mA Battery OK Battery OK Led illuminate from 8Vdc and is operative while te...

Page 8: ...al hazard or unnecessary consumption Badly insulated circuits can create leakage current which can be dangerous and trip your GFCI RCCB or ELCB Each country regulates these levels at which the insulation is acceptable Generally insulation resistance measurements are done between each conductor and the earth and between each conductors CONTINUITY Checking the continuity of wires complete circuits c...

Page 9: ...ments Insulation Continuity Tester User Manual Page 9 7 Instrument Layout 1 Test Button Switch 2 Function Selector 3 Battery OK indicator 4 Mirror Scale 5 Live Circuit Warning Light 6 Test Leads and Fuse Zeroing Knob ...

Page 10: ...ot move to BAT OK the battery needs to be replaced before proceeding 2 Connect test leads to instrument switch to 3Ω Press and turn the test button continuous mode short the test leads The pointer should swing from infinite towards zero If not the test leads or fuse 0 5A fast acting ceramic maybe faulty INSULATION TESTS MΩ RANGES 1 Select the desired insulation test voltage range 250V 500V or 1000...

Page 11: ...e circuit must not be LIVE conduct initial checks first If at any time the LIVE circuit light is illuminated or the warning buzzer sounds DO NOT PROCEED the circuit is live Using the instrument in Insulation Mode may leave the Circuits charged up if test leads are removed too quickly Avoid this by releasing the test button while the test leads are still connected to the circuit for a few seconds 9...

Page 12: ... selector to Batt Check This function has a load which draw about 205mA when test is performed and therefore it is doing a worst case battery test Then press the test button the pointer should be in the BAT OK area During the test the bat OK Led on line battery check must illuminate if the pointer is in the BAT OK area ...

Page 13: ...nd the test button is not pressed 10 3 AC Warning The AC warning buzzer will beep continuously when AC voltage is higher than 20Vac on the test probes and the test button is not pressed The neon light circuit live will illuminate when the voltage on the test probes is higher than 65Vdc and the test button is not pressed 10 4 AC Measurement The AC measurement is automatic on this instrument As soon...

Page 14: ...e on un energized circuits only Use the procedure explained at points 10 2 10 3 10 4 The first procedure to follow is to zero the test leads II and II the fuse resistance The instrument is equipped with a Zero Ω Knob First short circuit the test leads by connecting them together then press the test button and adjust the zero Ω knob until the pointer is precisely on the 0 of the 500Ω scale Use the ...

Page 15: ...g on a circuit This instrument is intended for measuring Low Ω and Insulation resistance on un energized circuits only Use the procedure explained at points 10 2 10 3 10 4 The first procedure to follow is to zero the test leads and the fuse resistance The instrument is equipped with a Zero Ω Knob First short circuit the test leads by connecting them together then press the test button and adjust t...

Page 16: ...esting and measuring on a circuit This instrument is intended for measuring Low Ω and Insulation resistance on un energized circuits only Use the procedure explained at points 10 2 10 3 10 4 Check the test leads and fuse resistance by zeroing the test leads and fuse as per the 7 6 procedure Connect the test leads to the circuit to be measured and wait for a few seconds The instrument will automati...

Page 17: ...ment 500Vdc Always check for voltage before testing and measuring on a circuit This instrument is intended for measuring Low Ω and Insulation resistance on un energized circuits only Use the procedure explained at points 10 2 10 3 10 4 Check the test leads and fuse resistance by zeroing the test leads and fuse as per the 7 6 procedure Connect the test leads to the circuit to be measured and wait f...

Page 18: ...nd fuse resistance by zeroing the test leads and fuse as per the 7 6 procedure Connect the test leads to the circuit to be measured and wait for a few seconds The instrument will automatically discharge any remaining energy which could be present on the circuit and will check for voltage at the same time Once you are sure that the circuit to be tested is not energized then press the button for a s...

Page 19: ...atteries taking care to observe the correct polarity Replace batteries and the battery cover 11 2 Fuse replacement The fuse is located next to the batteries To replace fuse proceed as per battery replacement to open the battery cover then remove and replace the fuse located under the battery holder Only replace with same specification fuse 0 5A 500V 12 Calibration Servicing Contact your nearest di...

Page 20: ...store them separately CAT Ⅳ Is for measurements performed at the source of the low voltage installation CAT Ⅲ Is for measurements performed in the building Installation CAT Ⅱ Is for measurements performed on circuits directly connected to the low voltage installation CAT Ⅰ Is for measurements performed on circuits not directly connected to mains Due to our policy of constant improvement and develo...

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