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EZ165 

SOCKET TESTER

I

nstructIon

M

anual

Summary of Contents for EZ165

Page 1: ...EZ165 SOCKET TESTER Instruction Manual ...

Page 2: ...y Information 1 1 1 Meaning of Symbols and Markings 1 1 2 Precautions 2 2 Introduction 3 2 1 Inspection 3 2 2 Description 3 3 Operation 4 3 1 Description of Indicators 4 3 2 Self Test 4 3 3 Using the EZ165 5 3 3 1 Wiring and Voltage Check 6 3 3 2 Loop Test 8 3 3 3 RCD s in the Circuit Under Test 8 3 3 4 Possible Effects on Accuracy 9 when Measuring Earth Loop Impedance 4 Maintenance 10 4 1 Cleanin...

Page 3: ...duct information are available at www martindale electric co uk 1 1 Meaning of Symbols and Markings Caution risk of danger and refer to instructions Caution risk of electric shock Equipment protected by double or reinforced insulation Class II CAT II Measurement Category II is applicable to test and measuring equipment connected directly to utilization points socket outlets and similar points of t...

Page 4: ...nd under the conditions and for the purposes for which it has been constructed and specified Before each use the socket tester should be examined for damage cracks cuts or scratches Do not use if damaged in any way Make sure the socket tester is dry clean and free from dust grease and moisture while in use to avoid the danger from electric shock due to surface leakage The EZ165 must only be used o...

Page 5: ...the wiring under test and indicates the range that the measured earth loop impedance falls within If the wiring is faulty or the mains voltage is not within limits the earth loop impedance test is not performed The EZ165 also indicates if the mains voltage is below 195V or above 270V or if the neutral to earth voltage is greater than 30V The T Safe technology employed by the EZ165 allows the earth...

Page 6: ...the wiring or if the mains supply is 195V or 270V or if the neutral to earth voltage is 30V Note 1 The loop test will not be performed and the loop test indicators will not illuminate if there is a wiring fault or the mains voltage level is outside limits Note 2 The level of the mains supply is only indicated if the wiring is correct 3 2 Self Test Every time the EZ165 is plugged in it will perform...

Page 7: ...3 3 2 If the EZ165 does not power up and perform its self test and none of the LED s illuminate this could mean that the wiring is incorrect or the mains voltage is less than 40V and investigation of the wiring is required In such circumstances verify the EZ165 in a known correctly wired socket to confirm the need for investigation The EZ165 is designed to be plugged into a socket and removed afte...

Page 8: ...ge Test Indicators Lower LED s Wiring Correct Voltage OK Wiring Correct Voltage high 270V Wiring Correct Voltage low 195V Earth Neutral voltage 30V Open Neutral Open Earth 500Ω Phase Live Fault Phase Neutral Reversal Phase Earth Reversal Serious wiring fault or voltage 40V In the event of a fault being indicated investigation should only be carried out by a suitably qualified electrician 6 ...

Page 9: ... L Socket Under Test Wiring N E L E N L E E L N N L OPEN E L OPEN N L OPEN L E OPEN L N N OPEN L E OPEN L L OPEN E L OPEN N L E OPEN L N OPEN E L OPEN N L OPEN L E N L E E L N E L N N E L L N L L N L E E L E E L N N L N L E L L N L OPEN OPEN OPEN L L L L L OPEN L OPEN L OPEN L L L OPEN OPEN OPEN L OPEN OPEN OPEN L ...

Page 10: ...circuit under test is between 1 7Ω and 5Ω or if the top left hand indicator is red then the measured earth loop impedance is between 10Ω and 100Ω Refer to the latest edition of the IET Wiring Regulations BS 7671 to determine if the indicated earth loop impedance of the wiring under test meets the necessary requirements Figure 3 Loop Test Indicators Top LED s 0 1 7Ω 1 7 5Ω 5 10Ω 10 100Ω 100 200Ω 20...

Page 11: ... equipment 3 3 4 Possible Effects on Accuracy when Measuring Earth Loop Impedance Where supply circuits under test have highly inductive or capacitive loads distributed on that circuit or there is an excessive amount of mains disturbance present e g motors running etc it is possible the earth loop impedance measurement could be affected In such circumstances where possible disconnect any loads tha...

Page 12: ...h a water dampened soft cloth After cleaning dry and allow to remain in a dry environment for 2 hours before use 4 2 Repair Service There are no user serviceable parts Return to Martindale Electric if faulty Our service department will quote promptly to repair any fault that occurs outside the guarantee period 4 3 Storage Conditions The EZ165 should be kept in warm dry conditions away from direct ...

Page 13: ...ice free of charge repair or replacement of a defective product which is returned to Martindale within the warranty period This warranty is the buyer s sole and exclusive remedy and is in lieu of all other warranties expressed or implied including but not limited to any implied warranty of merchantability or fitness for a particular purpose Martindale shall not be liable for any special indirect i...

Page 14: ...5V 5 Voltage high indication 270V 5 Earth neutral voltage high indication 30V 5 Open earth indication 500Ω 10 Note 1 Measurement accuracy can be affected by highly inductive or capacitive loads distributed on the supply see section 3 3 4 General Dimensions 65 x 80 x 59mm Weight approx 93g Environmental Temperature Operating Storage 10 C to 40 C at max 60 RH Altitude up to 2000m Pollution degree 2 ...

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