measuring

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  1. D

    Measuring Voltage Drop - With or without Load?

    I am sending power to some 5v led lights about 50ft from the transformer. I was going to use some CAT6 direct Burial cable that I kept after a contractor accidently cut it (I replaced the wire as I did not want to do an underground splice). So I plan to use 1.5 pairs (three conductors) for Pos...
  2. P

    Measuring consumption with CT clamps.

    Hello, I want to measure current consumption on a number of circuits. I have installed CTs on all the outgoing socket circuits (4 rings and 2 radials) and they work fine. I want to measure the total current consumed by all the lighting circuits (6 in total) - but they are spread over 3...
  3. azimlxp

    Solar panel rating measuring

    Few days ago, I bought a solar panel. It's rating was 6v and 450 mA. But when I measured with my multimeter, It shows around 5.25v to 5.85v and 18mA to 22mA in full sunlight. My Question is - Is measuring current around 18mA to 22mA for per hour or per second?
  4. R

    Cable measuring device

    I’m just after a tool that my uncle used to measure cable lengths. The device goes into the conductors and then gives you a reading. Any idea what it is and where I could buy one. I would try google but I’m not sure what the device is, and my uncle bought it a long time ago.
  5. F

    Measuring current using a Shunt Resistor & an Oscilloscope

    Hi people, I'm new using forums for this kind of purposes, so please forgive me if I can't explain myself well, also if this is the wrong sub-forum please tell me ¡. I have to measure the output current & voltage of a High Frecuency, High Voltage transformer, I can measure the Output Voltage...
  6. B

    Measuring Ze from DB fed from section board

    Would a DB fed from section board be considered as the origin in regard to ze or would that be at the section board. Cheers
  7. R

    Measuring current draw by AC motor.

    Hello guys. This isn't a job, just so that you know. Just exploring. I have a couple of AC motors and I am playing with them. One of the things I want to do is measure the current draw. So I attach them to a power source and switch it on and off they go doing their thing. No problem there...
  8. Andy5678

    Measuring apps.................

    so downloaded one the other day. Free in the App Store. You use your camera to scan an area and can pin point positions and the app measures between. I have yet to try it against known measurements, but looks like it could be a useful tool for measuring cable/trunking runs etc if caught...
  9. oracle

    Using other measuring equipment for testing?

    The Regs allow the use of other "measuring" equipment. Are any of you using such equipment and if so, what? Reg 643.1 The tests of Regulations 643.2 to 643.11, where relevant, shall be carried out and the results compared with relevant criteria.Measuring instruments and monitoring equipment...
  10. Jonathan Wilcox

    Measuring component readings

    I'm fixing a turntable and want to know how to test individual components on a circuit board. Can anyone advise me on what are the most important parts to test and how? I have watched a few videos and have figured I need my multimeter on diode mode, wires on pos/neg and reading should be...
  11. O

    Measuring Direct Current with Fluke Multimeter?

    I've been told I need to wire the multimeter in series with the LED I'm trying to measure. I tried doing that and now the COB won't power on. I made a diagram for the wiring when I initially successfully wired up the LED so I'll post a picture of that below along with pictures of my wiring...
  12. M

    Measuring Power Draw

    Hi all, I live in a block of flats with communal garages and have been tasked with resolving a minor electrical issue we may have. (Having no electrical background, thought i would gain some expert advice. Any guidance/help would be very much appreciated). I have been checking the power...
    • Mark Bat
    • Thread
    • battery charger current measuring power
    • Replies: 8
    • Forum: UK Electrical Forum
  13. Davisonp

    Measuring Inrush Current

    I am trying to find the maximum current drawn through a switchfuse circuit supply circuit (60Amp switchfuse). I have been told that there should be a large inrush current when some equipment kicks in, but I would like to confirm the actual inrush current. I have had a look at cheap current data...
  14. E

    Selling Leica Disto D8 Laser Measuring tool

    Hey guys I'm selling my Laser measuring tool which is very handy for measuring roof space from the ground. It comes with a tripod, case, and target plate. There is more info on it here:Leica DISTO D8 Laser Measure - Leica Geosystems | Laser-measure.co.uk I'm open to offers but looking for...
  15. davesparks

    Measuring earth leakage

    Is it possible to measure earth leakage with standard CTs and display it on a panel meter? I want to do this for a distribution box for temporary event supplies as I don't find the little bar graph display on earth leakage relays all that useful. Would one large CT around all four conductors...
  16. E

    Measuring Ze

    I couldn't get a reading, using an MFT1730 tester, using three wires. The tester would start to test but then stop and read >50V. I managed to get a reading using the 2 wire method. Any ideas?
  17. Peter Monfort

    Ring final circuit question

    When you do the continuity test on a ring final circuit and you have to connect L1 to N2 and vice versa, this assumes you know which L cable is the incoming or outgoing. I understand that if you connect L1 to N1 and vice versa the ohm readings rise then fall as you go round the ring circuit...
  18. NDG Elecs

    Measuring inrush currents.

    Hi, Apart from spending £300 on another clamp meter (although I am tempted!) is there a cheaper way to measure inrush currents? Can't seem to find anywhere to hire one either for less than £100.00. Oscilliscope either. This is a one off job and am curious about the actual inrush on some LEDs...
  19. uksparks

    Measuring Wheels

    Hi, Do any of you ever use a measuring wheel for runs of SWA in gardens and the like? For example, like the one below.
  20. T

    240 volt outside light measuring 180 volts.

    Hi all. Looking for advice here. The mother in law had her house extended and totally rewired by someone that said to her he was a qualified sparks. I've been up the loft and found crimped wires and not even clipped down and a whole host of lovely terminal block connections. One set of these has...
    • Therolster
    • Thread
    • block don't light measuring outside outside light terminal volt volts
    • Replies: 24
    • Forum: DIY Electrical Advice

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