Page 1: ...s WD24 4YY Tel 44 0 1923 441717 Fax 44 0 1923 446900 E mail sales martindale electric co uk Web www martindale electric co uk CMR0073 Issue 4 07 04 Martindale Electric Co Ltd Martindale Electric Co Lt...
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Page 3: ...8 LIMITED WARRANTY PAGE 1 3 4 5 5 6 7 9 9 10 10 11 11 12 12 13 13 14 14 14 15 15 15 16 16 17 17 18 19 TABLE OF CONTENTS TABLE OF CONTENTS 1 SAFETY RULES 2 GENERAL DESCRIPTION 3 FRONT PANEL LAYOUT 4 P...
Page 4: ...me or change specification price or design without notice and without incurring any obligation 14 LIMITED WARRANTY Martindale Electric Limited warrant instruments and test equipment manufactured by th...
Page 5: ...anation Of Symbols Used Caution risk of electric shock Caution refer to the instruction manual 6 Do not touch exposed wiring connections or other live parts of an electrical circuit If in doubt check...
Page 6: ...old Temperature IEC68 2 1 Dry Heat IEC68 2 2 Damp Heat IEC68 2 3 Drop Test IEC1010 Clause 8 4 Impact Test IEC1010 Clause 8 2 Weight 0 75kg with batteries and leads 6 3 Environmental Operating Temperat...
Page 7: ...t of Kelvin leads and an instruction manual 3 FRONT PANEL LAYOUT The ranges are selected by a four position rotary switch and test is initiated by pressing the push button test switch While this switc...
Page 8: ...on 2A and 20 ranges Test Current Accuracy 10 Max Circuit Resistance 1 2 on 20m range with 9V battery voltage 15 on 200m range removed and replaced with a fuse of the correct type and rating 5 9 Input...
Page 9: ...and the same procedure as was described in the previous section should be followed to access the fuse The blown fuse should be 5 OPERATING INSTRUCTIONS 5 1 Preliminary Checks 1 With the leads disconne...
Page 10: ...r copper As an example a copper conductor that has a resistance of 10 00m at 20 C will increase Current Leads 1 Shrouded 4mm safety plugs are required at one end of each lead as before 2 Insulated 16...
Page 11: ...rior of the instrument requires cleaning it should be done with a sponge and a mild solution of Fig 3 9 If the BAT symbol appears on the LCD during these checks as shown in Fig 3 the batteries require...
Page 12: ...unts PCB tracks switch and relay contacts etc v Checking compression joints on overhead lines accepted as there will be inaccuracies due to the resistance between the current terminals C1 and C2 being...
