This tutorial show how to carry out earth resistance test for commercial and resident building . Proper setting is importance for getting the better and accurate test result .
Hiiii... You mean, first disconnect the earth cable from earth pit?? OR Can we shutdown the entire system before measuring earth resistance?? Pls guide
Thank you for the effort made in the video.... I have a question... Is it true that the yellow wire is supposed to be an extension of the red wire, meaning on one line to give the reading... Why change in yellow only and should it be changed in red? ??
Hi sir. You did a very informative video thanks. I've a question for you.In the video you did the test on a big compound. I'm in a terrace house and the compound is very limited. I can't pull the yellow and red cable that long..only 3-4 meters to the nearest soil. Will it affect the reading? Please advice thks.
when lightning strikes the earth doesn't the surge enter the house via the earth wiring? If so isn't it dangerous, probably better not to have any earthing system at all?
Yes it should be disconnected from service. If the voltage is more than 10 it will destroy the meter and also give false reading. Please read the user manual reg the max voltage limit that the meter will work safely in energised service without disconnection.
When current is injected into the earth, then the voltage will change around the location of injection. The voltage reference cable spike needs to be some distance from the points where current is injected or removed, in order to try and find a location with minimal disturbance of earth voltage potential.
Jika persekitaran rumah tamn agak sukar nk ambil bacaan,sb permukaan tanah @ berturap simen Dan jalan tar. 1- minutes 6.15 mase kita clamp wayar di electrod bumi.yg seeloknya copper tape @ cable incoming perlu ditanggalkan @ tidak semasa nak ambil bacaan.klu sye lihat Tuan x buka ..
Saya nak tanya, bukankah testing dibuat semasa pemasangan rod sahaja (sebelum kita sambungkan dengan earth DB atau sebelum sambung ke perlindungan kilat)
Hi, I have a Kyoritsu 4105A unit too, and I am getting "1. . ." reading at 20 ohm dial, who do you think is the problem, and how to fix this? Thank you.
@@nasiadomary4893 1. If possible increase the depth of electrode. 2. Insert another electrode at a distance of at least twice the buried depth of 1st electrode and link both at top. Eg.: If 1 st electrode buried depth = 3 M then second electrode should be installed at a distance of minimum 6 M away and both should be linked with wire or strip at the top. 3. Wet the pit by watering because dry earth is a bad conductor. Note : Chemical electrodes are fraud work. Hope all this helps.
I have to perform this same test but outside of the building is all concrete, a shower room will be built in the basement but first the neutral to earth voltage needs to be tested, so how would I go about this?
Check with normal clamp or multimeter in volts mode between earth and neutral of any 3 pin socket connected to that service. The voltage value should be below 2. Hope this helps.
Hi sir I have a doubt. Could you please tell me the difference between 2 point, 3 point method. In megger it has 4 terminals C1, C2, P1, P2. how to measure earth pit resistance?
Short C1 and P1 and connect to electrode under test. P2 is for potential and C2 is for current spike. This is known as 3 point or Fall of Potential method. 4 terminals method is for testing soil as per Wenner method. This is for civil guys and not for electrical guys. Reg 2 point earth pit resistance testing: In India we don't/cant use this method because our public water supply is thru PVC pipes which is non conductor. Hope this helps.
Kedalam nya sehingga rod gak bisa masuk lagi..baru di uji..jika masih tidak mendapat kan bacaan yg dikehendaki..buat point baru sehingga mendapat bacaan yg paling rendah
Thumb rule for current spike distance from electrode = Minimum 8 to 10 times the buried depth of earth electrode. Eg., If earth electrode is 3 M long then C spike should placed about 24 to 30 M distance. This is to avoid '"zone of influence"' factor. Most manufacturers wont tell this because the distance will affect their tester sales in city and town areas where space is congested. So they suggest 5 M and 10 M which will not yield correct value. I challenge Kyoritsu in this matter.
It depends on your country standards. But the Best is the nearest to 0 ohms which is imposible to get 0 ohms. Also there are many methods to make the measurraments, it depends on your country standards too.
green wire is for grass. grass is green. make sense right? put green wire on grass and see resistance of grass. grass is green, green wire is green too. make sense right? right.
Use a combination of vertical and horizontal grounding! My tip would be get copper/or in poorer countries galvanized pipe works well enaugh and install it in conjunction with galvanized steel bar/ or do the same but with copper if you can afford it!
Very Very different to how it's done in the UK, In the UK those reading wouldn't be satisfactory but the method is way different so I don't know. Interesting though
@@azleeman biasanya ada 2 jenis earth tester yg selalu diguna measure grounding resistance. yg dlm video ni guna kyoritsu & location potential spike tu ditengah2 antara ground rod & current spike. yg satu lg jenama megger tapi jarak potential spike tu 62% dari jarak antara earth rod & current spike. & potential spike tu kena ubah 10% ke depan % 10% ke belakang dari kedudukan asal & diambil average dr 3 reading td. mungkin kat uk guna jenama megger sbb tu dia ckp different dgn kt sini.
@@bruce.bchannel9046 boleh tambah point lagi tu..atau guna wayer tembaga bogel gulung jadi kan coil...tanam terus dlm tanah.hujung nya sambung ke electrod yang sedia ada..
The valor is over the Range selectionated in the istrument or the cables are not conected correctly to the Spikes You should to check again all the conections. If the problem continue changue the Spikes of place.
It need not be inserted. Wrap the spikes in wet towel and place them horizontally on the concrete floor with weights (stone) placed on the sack. Wet the whole area by watering.
Why to use this device with long cables and sticks while THEORETICALLY one can get more relevant results using any household electric appliance like, say, Incandescent light bulb, a mulimeter and the old good Ohm's Law? One terminal of the bulb is connected to live (hot), the other to earth and the current is measured. Divide voltage by current and subtruct the bulb's resistance and the result is the earth resistance. What is wrong in such approach?
I get what you mean and yes you can get accurate measurement through ohms wall but use a proper load resistor that is large enough to limit the current so the damage you will cause on the ground rod is limited.
The video I was looking for! Excellent explanation of the test. Thank you so much!
Ps: The background music is pleasant and appropriate!
You demonstrate this critical task to look easily, Thank you very much a learn a lot through your video.
Without much noise around, explained in a simple practical way...Thanks Rictor
Shifting potential spike towards right and left is wrong.
Video paling sng difahami...tq sgt2
Thanks for this very informative vedio. More power.
Mudah untuk difahami... Lama mencari video earthing test untuk menambah ilmu. Terima kasih boss
Good interesting vedio😊😊😊
thanks to your efforts, it is very helpful .. thank you..
Thank you very much for your sharing very informative tips☺️
easy to understand,thank you sir for wharing the information for us
Thanls for sharingbthis video. It helps me a lots
This teaching very useful and very easy to understand. Thanks and appreciate it 😊
Shifting potential spike towards right and left is wrong.
Thank you Sir this video very useful for all Electrical engineers
Good job ...thanks for sharing..
mantap tutorial nya .👍👍🌟🌟🌟
Keep up the good work
very easy to follow... you earned a subscriber!❤️😊
Shifting potential spike towards right and left is wrong.
Good job..🎉 im practical test
video excelente parabens , abraços do Brasil .
Thank you very much sir Many Thanks
Very nice vedio 👌👌kudos to your effort 🙏🙏👌
Shifting potential spike towards right and left is wrong.
Simple explainations.Easy to underdstand
Shifting potential spike towards right and left is wrong.
Thank you Engineer
Very good👍🏻
Thank you sir sa video
Tq Sir. Clear and easy to undrstand. This place is like "Bukit Bendera" 😅
Yes bro..bukit bendera..tqvm
Thank you, sir
Thank you sir sa video another learning for earthing system
thanks for sharing
Thank
from Hungary
Shifting potential spike towards right and left is wrong.
Salute sir
thank you sir..
Appreciate 👌👌you have done share gr8 experience with kyoritsu instrument 💐
This is sanjeev raghav from kyoritsu
Thank too .kyoritsu always the great equipment ..
This method is not FOP.
Thanx!!
Mantap tuan,done support ya,maaf lewat.. 🙏🙏
Good work 👍
Shifting potential spike towards right and left is wrong.
should be disconnecting earth cable from house to ground chamber first. so you will get the purest ground resistance.
Hiiii...
You mean, first disconnect the earth cable from earth pit??
OR
Can we shutdown the entire system before measuring earth resistance??
Pls guide
Disconnect the earth cable.
Of course he must have done that before starting the test otherwise the resistances of home equipment will distort the result
excelent ¡¡¡
Thank you for the effort made in the video.... I have a question... Is it true that the yellow wire is supposed to be an extension of the red wire, meaning on one line to give the reading... Why change in yellow only and should it be changed in red? ??
thanks
Good sir 👍
Shifting potential spike towards right and left is wrong.
Thanks alot
Shifting potential spike towards right and left is wrong.
Is there a specific number of times that earth resistance testing should be done for a specific area? (like number of times per meter squard)
Hadir nyimak 👍
thank you so much
Lanjutkan
thanks :)
Shifting potential spike in perpendicular ( left and right)direction is not correct.
well done
Tqvm
❤
Будьте любезны,выложите такое же видео с прибором KEW 4106,спасибо!!!
To individually test the earth rod disconnect tape from earth rod
Good 🙏🙏🙏🙏🙏
Shifting potential spike towards right and left is wrong.
Luar biasa kawan Videonya.
Sudah saya kirim Bungkusan komplit dan,paten, durasipun Aman. Sesuai undangan.
Ditunggu Amanahnya ya..
Ya udah juga..terima kasih..
Hi sir. You did a very informative video thanks. I've a question for you.In the video you did the test on a big compound. I'm in a terrace house and the compound is very limited. I can't pull the yellow and red cable that long..only 3-4 meters to the nearest soil. Will it affect the reading? Please advice thks.
In that situation ..You can try nearest area to ground the spike ..
in that situation ..yes..
You have to maintain distance. Please read my other comments. Get permission from neighbours.
when lightning strikes the earth doesn't the surge enter the house via the earth wiring? If so isn't it dangerous, probably better not to have any earthing system at all?
Can i know whether before the individual earth rod being tested you have to remove the connection of the earth rod from the rest.
I am also have same question.
Yes it should be disconnected from service. If the voltage is more than 10 it will destroy the meter and also give false reading. Please read the user manual reg the max voltage limit that the meter will work safely in energised service without disconnection.
Does it mean now the earth resistance is perfect?
Good, Thanks
if we had no access to such equipment will adding more grounding rods to the ground all connected together potentially reduce the earth resistance?
Yes.
@@rictorrictor888 🐱👍🏿
The test should be done preferably during the driest season to prevent moisture from ruinning your values!
I have a question, engr. Why is it required in the earth resistance tester manual to damp the surroundings?
@@File-Transfer I don't know about that
May i know why the cable for current is longer than the voltage?
When current is injected into the earth, then the voltage will change around the location of injection. The voltage reference cable spike needs to be some distance from the points where current is injected or removed, in order to try and find a location with minimal disturbance of earth voltage potential.
Jika persekitaran rumah tamn agak sukar nk ambil bacaan,sb permukaan tanah @ berturap simen Dan jalan tar.
1- minutes 6.15 mase kita clamp wayar di electrod bumi.yg seeloknya copper tape @ cable incoming perlu ditanggalkan @ tidak semasa nak ambil bacaan.klu sye lihat Tuan x buka ..
kalau kawasan tar @ bersimen, boleh guna metal screen @ earthing mat. letak pada jarak yg ditetapkan & siram dgn air jd blh buat measurement
Sir, how 1). If earth got voltage, what is the next action.. 2). When to use the setting mode 200 & 2000? Apprecite ur answer
Below 5ohm is acceptable right?
Yes
Saya nak tanya, bukankah testing dibuat semasa pemasangan rod sahaja (sebelum kita sambungkan dengan earth DB atau sebelum sambung ke perlindungan kilat)
Kedua2 nya boleh ..sebelum dan selepas ..Sebenarnya Cooper tape itu bukan utk pelindung kilat..
Hi, I have a Kyoritsu 4105A unit too, and I am getting "1. . ." reading at 20 ohm dial, who do you think is the problem, and how to fix this? Thank you.
It's over limit. U need to dial up the limit. Cannot use 20ohm. Because the reading is above 20 ohm
How about if the reading is 25ohms
What can i do to get less than 5Ohms?
@@nasiadomary4893 1. If possible increase the depth of electrode.
2. Insert another electrode at a distance of at least twice the buried depth of 1st electrode and link both at top. Eg.: If 1 st electrode buried depth = 3 M then second electrode should be installed at a distance of minimum 6 M away and both should be linked with wire or strip at the top.
3. Wet the pit by watering because dry earth is a bad conductor.
Note : Chemical electrodes are fraud work. Hope all this helps.
@@30mAkills
Thanks🙏🙏
I have to perform this same test but outside of the building is all concrete, a shower room will be built in the basement but first the neutral to earth voltage needs to be tested, so how would I go about this?
you silly person. what sort of system are you on?
Check with normal clamp or multimeter in volts mode between earth and neutral of any 3 pin socket connected to that service. The voltage value should be below 2. Hope this helps.
@@frankkennedy7831
Perhaps you are the silly person making such an inappropriate comment! 🤢
Conclusion of 1.62 ohms? Meaning of that value? Is there a range passing value? I'd like to know.
It means your earth grounding is perfect, anything less than 5ohm always consider perfect earthing as per indian standard 🙂
Test ini apakah harus saat listrik off?
Tumpang tanya, kan ada 20ohm, 200ohm, dan 2000ohm. Yang tu nak laraskan berdasarkan faktor apa ye?
dasarkan 20ohm setting
Hi sir I have a doubt. Could you please tell me the difference between 2 point, 3 point method. In megger it has 4 terminals C1, C2, P1, P2. how to measure earth pit resistance?
Short C1 and P1 and connect to electrode under test. P2 is for potential and C2 is for current spike. This is known as 3 point or Fall of Potential method.
4 terminals method is for testing soil as per Wenner method. This is for civil guys and not for electrical guys.
Reg 2 point earth pit resistance testing: In India we don't/cant use this method because our public water supply is thru PVC pipes which is non conductor. Hope this helps.
music is shocking
Om untuk mengetahui brp kedalaman grounding rod yg di tanam bagaimana ya ? 🙏
Apakah bisa di test dgn ohm meter tersebut
Kedalam nya sehingga rod gak bisa masuk lagi..baru di uji..jika masih tidak mendapat kan bacaan yg dikehendaki..buat point baru sehingga mendapat bacaan yg paling rendah
What readings should tell me that the resistance is not okay please
depend on local regulation ..as lower as possible. .below 10ohm
hi sir. how do you perform it in a building where there is no earth ground to put the spike?
Extent green wire..
For condo there should have main electrical grounding
What about the distance btn the spikes does it matter !?
5 meters up to 10 meters it depends on soil type
Thumb rule for current spike distance from electrode = Minimum 8 to 10 times the buried depth of earth electrode. Eg., If earth electrode is 3 M long then C spike should placed about 24 to 30 M distance. This is to avoid '"zone of influence"' factor. Most manufacturers wont tell this because the distance will affect their tester sales in city and town areas where space is congested. So they suggest 5 M and 10 M which will not yield correct value. I challenge Kyoritsu in this matter.
@@30mAkills
Thank you for this comment - can you please provide some formal references to confirm y you our comment - Thank you!
What is the accurate value for best low resistance using Megger machine
0 ohm
@@rictorrictor888 Practically not possible. Is earth full of gold?
@@rictorrictor888
I wish 😂
Why is the leads in the same line
Sir what is the porpuse for higher ohms setting.is it same result as 20ohms setting.thanks
Yes..same.
For soil testing and also in hill areas.
Why the leads are in same line? pliz assist me sir.
I had an exams question in college how to do earth rod test . I didn’t pass it 😢
Hi Rictor , may i know how to know the result is good or bad? Many Thanks
low in reading is the batter .must below 10ohm.some time we can get 0 ohm. that the best..
It depends on your country standards. But the Best is the nearest to 0 ohms which is imposible to get 0 ohms. Also there are many methods to make the measurraments, it depends on your country standards too.
The green wire is for?
electrode wire..
green wire is for grass. grass is green. make sense right? put green wire on grass and see resistance of grass. grass is green, green wire is green too. make sense right? right.
Sir, can I set the tester 200ohm? Should I take that result? Thank you 🙏
yes..
Your value of 1.63 ohms is a little high. Ideally less than 1 ohm is what you want...
Sir the result you shown is that good or bad grounding
Good ..under 10 ohm
Thanks sir......
Hello Sir,what if the result is above 10,let say 50..how can you improve this to 5?
Use a combination of vertical and horizontal grounding!
My tip would be get copper/or in poorer countries galvanized pipe works well enaugh and install it in conjunction with galvanized steel bar/ or do the same but with copper if you can afford it!
add more earthing rods all around the place the more the better🐱👍🏿
All earth rod supplies these days are carbon steel with copper coating add to and go deeper using brass connection.
Very Very different to how it's done in the UK, In the UK those reading wouldn't be satisfactory but the method is way different so I don't know. Interesting though
Maybe the humidity in UK is different if we compare to Malaysia. The water in soil can effect the meter reading.
@@azleeman biasanya ada 2 jenis earth tester yg selalu diguna measure grounding resistance. yg dlm video ni guna kyoritsu & location potential spike tu ditengah2 antara ground rod & current spike. yg satu lg jenama megger tapi jarak potential spike tu 62% dari jarak antara earth rod & current spike. & potential spike tu kena ubah 10% ke depan % 10% ke belakang dari kedudukan asal & diambil average dr 3 reading td. mungkin kat uk guna jenama megger sbb tu dia ckp different dgn kt sini.
All over the world FOP (Fall of Potential) method is same.
Incorrect@@30mAkills
@@johnhayhurst5884 then tell the correct. Here our earthing is TT.
Overall resistance how is it calculation sir
Total of test 1 ,2 ,3 then / by 3..it show on video min 13.20
the operator wears the helmet because there are suspended loads?
He worries falling mango fruit..hahaha
@@rictorrictor888 hahahaha ;-)
there are flying cats around in the neighborhood
Macam mna kalo erathing buat ats tnh bacaan bukit tu tnh...
tetap kena dapat kan bacaan bawah 10 ohm juga...tapi ada kaedah2 untuk menurunkan bacaan jika di buat atas tanah berbukit..tq
Sa lbih 15ohm bgtu
Nnti whatapps kmi 0138724857 mhu tnya kaedah lain
@@bruce.bchannel9046 boleh tambah point lagi tu..atau guna wayer tembaga bogel gulung jadi kan coil...tanam terus dlm tanah.hujung nya sambung ke electrod yang sedia ada..
Mcm mna cara ti
I think 1/RT = 1/R1 + 1/R2 + 1/R3
Sorry your Appying the wrong formula, it's average, not resistances in paralel
What we do if earth volt not zero
Find another location for grounding the rod..
De-energize that service and procced if the voltage is more than 10.
hi sir, if the screen will perform "1 . " , what's wrong?
show me photo..
The valor is over the Range selectionated in the istrument or the cables are not conected correctly to the Spikes You should to check again all the conections. If the problem continue changue the Spikes of place.
@@octaviohurtado2779 Thank you! I'll check carefully. Good day!
@@rictorrictor888 Sorry, I don't know how to share a photo via a youtube comment. Anyway, I'll check my device. Thank you for your guidance.
Attack of the silent explanation vid strikes yet again
Hahaha..Mr bean vers 2
untuk apa select ke earth voltage?
kita uji dahulu jika terdapat voltage dalam tanah.. terutamanya di kawasan kediaman yang berdekatan dengan sub station
kalau ada voltage baguslah pasang diode boleh charge bateri kereta anda🐱👍🏿
Hi sir. If floor is concrete, how to insert voltage and currrent spikes?
break concrete and place into the soil below?
It need not be inserted. Wrap the spikes in wet towel and place them horizontally on the concrete floor with weights (stone) placed on the sack. Wet the whole area by watering.
@@fidelcatsro6948
Jesus, what planet are you on…..
@@30mAkills
Excellent explanation….
@@fje1948 planet Kittygystan 🐱 of the 23rd Constellation, why do you ask amigo?
what is this aim?
Protect human and electrical equipment from electric short
Sub
Ese método no existe, tomaste medidas arbitrarias y sacaste un promedio... No tiene sentido.
Why to use this device with long cables and sticks while THEORETICALLY one can get more relevant results using any household electric appliance like, say, Incandescent light bulb, a mulimeter and the old good Ohm's Law? One terminal of the bulb is connected to live (hot), the other to earth and the current is measured. Divide voltage by current and subtruct the bulb's resistance and the result is the earth resistance. What is wrong in such approach?
The results would only be resistance on the load , not main earth resistance
@@Godfa539 will you justify this statement please?
I get what you mean and yes you can get accurate measurement through ohms wall but use a proper load resistor that is large enough to limit the current so the damage you will cause on the ground rod is limited.