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Besantek BST-ET14, Instruction Manual, Page: 25 / 28

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Besantek BST-ET14 Instruction Manual Download Page 25

-23-

The purchaser agrees to assume all liability for any 

damages or bodily injury which may result from the 

use or misuse of the product by the purchaser, or 

its user, his employees, or others, and the remedies 

provided for in this warranty are expressly in lieu of 

any other liability we may have including incidental or 

consequential damages.
We reserve the right to discontinue models at any 

time, or change specification, price or design, without 

notice and without incurring any obligation.

17. Notes

Summary of Contents for BST-ET14

Page 1: ...WIRING POLARITY CHECKER MAINS ADAPTOR ELCB RCD and APPLIANCE TESTER INSTRUCTION MANUAL ...

Page 2: ... 3 Using the Universal test Sockets 4 Testing Appliance 5 Calculating Power Consumption of Appliance 6 Calculating Insulation resistance of Appliance 10 Very important features 1 Checking Circuit Breaker Integrity 2 Finding Standing leakage in an installation 11 Specifications 12 Environmental 13 Cleaning 14 Legal Matters Intellectual Property 15 Checking and Changing the Fuse 16 Limited Warranty ...

Page 3: ...n being measured In the event that lightning occurs stop all testing and isolate any temporarily installed test spikes Preparations for testing of power system grounding can leave personnel vulnerable to exposure caused by faults at or fed from the system under test transferred potentials from remote test grounds and inadvertent line energisations While the probability of the occurrence of one of ...

Page 4: ...ons before attempting to use this tester 2 Safety Check Before using the tester check the condition of the test leads the fuse and general appearance The leads must be free of cracks or any damages and must be insulated as when they were new Fuse replacement is described later in this user s manual Before replacing the fuse always disconnect all leads and then remove the cover to access the intern...

Page 5: ...CAUTION READ THE MANUAL 3 General Description The tester is multi purpose test tool enclosed in a attractive rugged and convenient package which has some unique features The current leakage of an appliance can be measured while in circuit as well as its current consumption The tester can check the mains wiring integrity and report on its polarity condition by showing the results on three bright ne...

Page 6: ...y useful in case recording the mains voltage is needed or recording the appliance voltage of a power consumption test The internal fuse is a HRC type For example some of the applications to use the Universal Test Sockets can be to connect a voltmeter or a recorder or to measure the voltage when doing a power measurement while the current coil can be clipped around the ear The tester can be utilize...

Page 7: ...or coded TEST BUTTON Injects IL into earthing system when pressed A B C HIGH BRIGHT NEON LAMPS FOR WIRING TABLE CROSS REFERENCING APPLIANCE LINE CURRENT helps calculate Power of Appliance and helps verify if Appliance is within specifications Appliance socket Appliance under test must be plugged here COLOR CODED LINE CURRENT MEASUREMENT EAR FUSED MAINS ADAPTOR EARTH LEAKAGE TESTER MAINS WIRING POL...

Page 8: ...ersal test sockets and the appliance socket Wiring Conditions Test An internal circuitry test for wiring condition and report onto the neon lamps Please note that a short circuit between Neutral and Earth cannot be detected by this circuitry Neon Lamps Reporting These high bright neon lamps report the wiring condition detected by the circuitry Always refer to the condition table to check that the ...

Page 9: ...pliance Socket The protected appliance socket can supply up to 10A maximum to the appliance under test Current Line Coil This coil is utilized to check the line current by clipping the clamp meter around it Current Earth Coil This coil is utilized to check the earth current by clipping the peakage clamp meter around it 6 Front Labels ...

Page 10: ... 8 ...

Page 11: ...strument Turn the instrument on its back to check it It should be fixed properly and be the same as this below If it is damaged contact your nearest distributor and order a replacement instruction label Note 4 voltage avaiable depending on country review 240Vac 230Vac 220Vac 110Vac ...

Page 12: ...he use of the tester remove all leads which could have been connected from a previous test Start a new test Rotate the rotary switch to 10mA position Always start by the lowest position Rotate the rotary switch to the 10mA position so that the tester is always in the known position before proceeding with any new test Prepare your test Before connecting anything to or from the mains always prepare ...

Page 13: ...k the neon lamps When the wiring is correct all the neon lamps will lit together If there is no earth connection to the tester only the neon lamps A and B will light up The C neon lamp will not be lit If the neutral wire is not connected to the tester only the neon lamps B and C will light up Neon lamp A will be off ...

Page 14: ... neutral wires connecting to the tester are reversed swapped 2 Testing ELCB RCD protection device Disconnect all breakers and circuits which are not to be tested but which are in circuit as they may bring standing leakage which can complicate testing Insulate these circuits In the case of testing a domestic breaker begin test by starting with a non tripping value 10mA Plug the tester into the outl...

Page 15: ...tton and rotate rotary switch to 20mA Repeat the procedure as per the previous test The breaker could trip Stop depressing the red button and rotate rotary switch to 25mA Repeat the procedure as per the previous test The breaker must trip Stop depressing the red button and rotate rotary switch to 30mA Repeat the procedure as per the previous test The breaker must trip Stop depressing the red butto...

Page 16: ... to the previous example If you wish to record other voltage like Neutral Earth then use the appropriate sockets Connecting a Power Quality Analyzer To measure power you will need to measure voltage and current The power meter provides you with voltage leads and a current clamp The appliance on which you measure the power will be connected to the appliance socket The voltage measurement will be co...

Page 17: ...L N of appliance Take the clamp meter and measure line current of appliance by clipping it around the red ear Write down the value for reference Now you have ILof appliance Take the clamp meter and measure earth current of appliance by clipping it around the green ear Write down the value for reference Now you have IL E of appliance For leakage measurement clamp around green ear Warning Please cho...

Page 18: ...ockets to measure VL N Clip clamp meter around the red ear to measure IL Connect appliance to the appliance socket of the tester Switch appliance ON Write down VL N from the multimeter Write down IL from the clamp meter Switch appliance OFF and disconnect tester from mains Calculate Power of Appliance Pappliance VL N x IL Warning Please choose the clamp meter with a proper resolution ...

Page 19: ...onnect a DMM onto the L and N test sockets to measure VL N Clip clamp meter around the Green ear to measure IL E Connect appliance to the appliance socket of the tester Switch appliance ON Write down VL N from the multimeter Write down IL E from the clamp meter Switch appliance OFF and disconnect the tester from mains Calculate Insulation Resistance of appliance VL N R Insulation Appliance IL E Wa...

Page 20: ... condition Only after having done so should you test wiring in circuit 2 Finding Standing Leakage in an installation To find a standing fault always check one circuit at a time to find the faulty circuit easily Disconnect all the circuits by switching all the insulators OFF The ELCB RCD must be checked individually before proceeding see above for its integrity Once you know for sure that the ELCB ...

Page 21: ...NCE Current Proportional to Line to Earth Voltage 240Vac 50 60Hz Proportional UNIVERSAL TEST SOCKETS NOMINAL VOLTAGE FREQUENCY MAINS VOLTAGE TOLERANCE FUSED 240Vac 50 60Hz 10 10A APPLIANCE TESTER NOMINAL VOLTAGE FREQUENCY MAINS VOLTAGE TOLERANCE FUSED 240Vac 50 60Hz 10 10A APPLIANCE LINE CURRENT COIL Protection Relies on the LINE CURRENT FUSED TYPE 10A HRC APPLIANCE EARTH CURRENT COIL Protection R...

Page 22: ...llution Degree 2 Safety standard IEC EN 61010 1 240Vac 50 60Hz 10A Class1 EN 61326 EN 55011 EN 61000 3 2 EN 61000 3 3 EN 61000 4 2 EN 61000 4 3 EN 61000 4 4 EN 61000 4 5 EN 61000 4 6 EN 61000 4 11 12 Environmental Operating temperature Range 1 C to 40 C Storage Temperature 20 C to 70 C 13 Cleaning Clean the instrument case with an anti static cleaner and wipe with dry cloth ...

Page 23: ...HE PRIOR WRITTEN PERMISSION OF TOPTRONIC LIMITED Design Registration ARD 110554 2005 15 Checking and Changing the FUSE Disconnect everything from the tester Make sure there are no leads connected to the tester and that nothing is attached to it The tester must be unpowered and free of any potential Turn the tester on its back and open the 5 screws Now you have access to the PCB Check the fuse usin...

Page 24: ...ing or making refund of this test equipment which proves to be defective within twenty four months from the date of original purchase This warranty does not apply to any of our products which have been repaired or altered by unauthorized persons in any way so as in our sole judgement to injure their stability or reliability or which have been subject to misuse abuse misapplication negligence or ac...

Page 25: ...chaser or its user his employees or others and the remedies provided for in this warranty are expressly in lieu of any other liability we may have including incidental or consequential damages We reserve the right to discontinue models at any time or change specification price or design without notice and without incurring any obligation 17 Notes ...

Page 26: ...in the building installation CAT II Measurements performed on circuits directly connected to the low voltage installation CAT I Measurements performed on circuits not directly connected to mains Due to our policy of constant improvement and development we reserve the right to change specifications without notice ...

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