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Содержание ACADEMY T419

Страница 1: ......

Страница 2: ...RS232 Interface or USB Frequency Voltage Phase Rotation 350 Memory Locations Description TCTRP Analogue Kit TCTDT Digital Kit TCTCDK Digital Kit DMM TBM811 Clamp Meter TBM3030 TBM3030 Insulation Test...

Страница 3: ...24 Instruments 1 WHAT IS AN ELECTRICAL INSTALLATION 1 2 WHO IS RESPONSIBLE 1 3 HOW CAN A LAYMAN KNOW IF THE INSTALLATION IS SAFE 1 4 WHERE TO OBTAIN A CERTIFICATE OF COMPLIANCE 1 5 WHAT MUST BE DONE B...

Страница 4: ...by the Chief Inspector of the Department of Labour in terms of the regulations as an electrical contractor QUESTION 5 WHAT MUST THE REGISTERED PERSON DO BEFORE ISSUING A CERTIFICATE OF COMPLIANCE TES...

Страница 5: ...3 d Subtract previous reading b from this reading c to get the required reading e This reading shall not exceed 0 2 see note on table 8 1 on page 276 of code of practice SANS 10142 f All points must...

Страница 6: ...9900 Cape Town 021 594 7100 Port Elizabeth 041 408 2400 Earth 3 Test Lead Insulation Tester Fig A Continuity of all Bonding Conductors Fig B Resistance of Earth Continuity Conductors Earth Insulation...

Страница 7: ...ed can be written down as illustrated in addendum A below QUESTION 9a WHAT INSTRUMENT CAN BE USED TO TEST THE CONTINUITY OF THE RING CIRCUIT ANSWER Any meter with continuity buzzer function similar to...

Страница 8: ...eference and Line 1 Blue Reading 115 Volts Socket Outlet Voltage Test 2 Test between Earth Reference and Line 2 Red Reading 115 Volts B Remove Multimeter and set switch to blue or red phase turn the p...

Страница 9: ...92 Therefore the loop resistance of the circuit must be below 1 92 to allow a fault current of 120 amps to flow h Set the tester on the 2000A range on the PSC scale and measure the prospective short...

Страница 10: ...iring resistance earth resistance and resistance of transformer winding Line earth loop resistance is the sum of wiring resistance earth resistance and resistance of transformer winding L1 Transformer...

Страница 11: ...m of wiring resistance earth resistance and resistance of transformer winding Line earth loop resistance is the sum of wiring resistance earth resistance and resistance of transformer winding Transfor...

Страница 12: ...mber of Phases One Two Three Phase rotation Clockwise Anticlockwise Frequency 50Hz Other d c Prospective short circuit current at point of control PSCC kA How determined Calculated Measured From suppl...

Страница 13: ...rth c Spikes must be inserted in a straight line minimum spacing is 2m d If the ground is dry or sandy moisten with water Test spikes only e Where it is not possible to insert the auxiliary earth bars...

Страница 14: ...that purpose or for the capacity supply or both In a balanced three phase system the three phase value can be estimated by multiplying the single phase value by 1 73 Note 2 Ensure that the instrument...

Страница 15: ...r Impedance in Ohm A Z TRF Z TRF Z TRF 0 0144 V2 PX103 Z 100 x 4002 P x 103 4 5 100 x 400 x 400 500 x 103 0 045 x 160 000 500 000 0 045 x C The PSCC of complete system A B Z TRF Z conductor Z Total Is...

Страница 16: ...ent Toptronic T1805 On a concrete floor not asphalt where auxilary earth bars cannot be driven lay the earth bars and make them moist with water before proceeding with measurement Earth Resistance Mea...

Страница 17: ...epted QUESTION 14a WHAT INSTRUMENT CAN BE USED TO TEST THE VOLTAGE MAIN DB WITH NO LOAD ANSWER Any meter with voltage function similar to a Toptronic TBM811 b Toptronic TBM251 c Toptronic TBM3030 QUES...

Страница 18: ...r similar to a Toptronic TEL1TLB b Toptronic T419 QUESTION 17b HOW IS THIS TEST DONE AND WHAT VALUE OF MEASUREMENT IS ACCEPTABLE ANSWER a Ensure ALL leads are disconnected all appliances unplugged sto...

Страница 19: ...ion of a potential danger See 8 7 6 and 8 7 10 To The supplier From The registered person During an inspection in terms of SANS 10142 The wiring of premises performed at stand No situated at I Registr...

Страница 20: ...2003 as illustrated in Addendum B Pg 9 g The results can only be correct if a fault is detected it must be rectified immediately QUESTION 20a WHAT INSTRUMENT CAN BE USED TO TEST ALL THE SWITCHING DEVI...

Страница 21: ...safe Note 1 Indicate a or b or a and b on the test report Note 2 Indicate N A in the case of a or b where applicable 14 Where an alternative supply is installed it complies with the requirements in re...

Страница 22: ...ut Warning Transient 6 5KV lightning surge Protection 1 2 50 s fuse Technical Specification Meter Supplied With Certificate of Conformence Meter Supplied With Certificate of Conformence TBM811 General...

Страница 23: ...C Voltage 4 40 400 600V Resistance 400 4K 40K 400K 4M 40M Frequency 1KHz to 100KHz Capacitance 500n 5 50 500 3000 F Accuracy AC DC Current 2 5 5 Digit DC Voltage 1 0 4 Digit AC Voltage 4 40 400V 1 0 4...

Страница 24: ...Source 8 x 1 5V AA Batteries Weight 655g Model Specification Technical Specification Insulation Test Voltage 250 500 1000V Insulation Resistance 250V 2k 2G 500V 4k 4G 1000V 8k 8G AC Voltage 0 to 700V...

Страница 25: ...on earth probes without any cable breaking Measurement of leakage current on earth installations Setting of alarm thresholds on measurements Storage of measurement results Detection of current noise o...

Страница 26: ...test 7mA for Phase rotation field indication Meter Supplied With Certificate of Conformence TEL1TLB SOCKET ELCB TESTER POLARITY Live on earth indication LCD Display Polarity indication Identifies 6 w...

Страница 27: ...erminate own plug Dimensions mm 330 L x 260 W x 150 H Power Source 8 x C Batteries Weight 2 0kg Model Specification Current Settings 999mAac 50Hz Current Selection Knob Phase start selection 0 180 Ope...

Страница 28: ...9 9900 Fax 031 569 9909 Cape Town Unit 11A Maitland Park Voortrekker Road Maitland Cape Town P O Box 453 Goodwood 7459 Tel 021 594 7100 Fax 021 594 7130 Johannesburg 34 Milky Way Avenue Linbro Busines...

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