1 00:00:00,990 --> 00:00:11,130 Multimeter meters multimeter is a device that most electrician and electronic geeks use to get results 2 00:00:11,220 --> 00:00:16,440 or measure voltage current and test electronic components. 3 00:00:16,560 --> 00:00:20,690 You must buy a multimeter with the following requirements. 4 00:00:21,700 --> 00:00:29,620 So the required features the minimal required features is that your multimeter must measure up to 50 5 00:00:29,680 --> 00:00:43,600 volt DC DC stands for Direct count and it can measure up to two hundred fifty volts AC AC stands for 6 00:00:43,690 --> 00:00:46,010 alternating current. 7 00:00:46,060 --> 00:00:54,230 It must also be able to measure resistance or continuity for testing purposes. 8 00:00:54,250 --> 00:00:58,750 You must also get your multimeter with these features. 9 00:00:58,750 --> 00:01:05,420 It must be able to measure entry level current to approximately 250 million arms. 10 00:01:05,440 --> 00:01:11,290 Also be able to measure DC and AC current up to 10 amps 11 00:01:15,210 --> 00:01:16,440 as you can see. 12 00:01:16,440 --> 00:01:22,860 These are the more the two most common types of 1 2 meters. 13 00:01:22,860 --> 00:01:28,140 The first one is the analog multimeter and the second one is the digital multimeter. 14 00:01:28,200 --> 00:01:35,950 You can recognize them by very simply as you can see that digital multimeter has a digital display that 15 00:01:35,980 --> 00:01:40,630 overlays numbers while the analog multimeter doesn't have a digital display. 16 00:01:40,660 --> 00:01:44,500 Basically have an analog that moves on a scale. 17 00:01:44,500 --> 00:01:50,410 So the advantages of another 20 meters is low cost. 18 00:01:50,410 --> 00:01:59,020 While the advantages of digital multimeter is that it's easy to read more value and more accurate readings 19 00:01:59,350 --> 00:02:06,160 because it gives you direct numbers where in this case you might sometimes have to guess a number between 20 00:02:06,160 --> 00:02:06,910 two dashes 21 00:02:09,630 --> 00:02:14,330 now when it come to this advantages for the analog multimeter. 22 00:02:14,340 --> 00:02:23,190 It's difficult to read measure value and you need to start at highest range and work way down to suitable 23 00:02:23,190 --> 00:02:32,220 range which means that you don't have a specific range to test your equipment or there is no automatic 24 00:02:32,220 --> 00:02:35,100 adjustment for the analog multimeter. 25 00:02:35,100 --> 00:02:43,200 You have to start with the highest possible value and then move down to other values that this advantages 26 00:02:43,200 --> 00:02:51,140 of digital multimeter is the high cost and you need to start at high strange and work way down to a 27 00:02:51,140 --> 00:02:52,740 suitable range. 28 00:02:52,770 --> 00:02:56,220 So these two have the same advantage. 29 00:02:56,220 --> 00:03:02,970 You need to start at the highest possible range and move down to lower ranges. 30 00:03:02,970 --> 00:03:07,260 But this one cost our much more than this one. 31 00:03:08,130 --> 00:03:12,590 This one is difficult to read and this one is easier to read. 32 00:03:12,720 --> 00:03:19,680 What we recommend is digital multimeter because it's a way much easier to read and you don't want to 33 00:03:19,680 --> 00:03:23,640 waste time on trying to figure out the value that you are reading. 34 00:03:24,360 --> 00:03:33,720 So nowadays most multi meters comes in digital analog quality meters are used in our air much less volume 35 00:03:34,110 --> 00:03:35,700 than before. 36 00:03:36,000 --> 00:03:45,110 Now as you can see this is a digital multimeter that's used to test this model. 37 00:03:45,120 --> 00:03:52,150 And as you can see it has a lot of features. 38 00:03:52,190 --> 00:04:00,060 The most important one for us here is the auto ranging feature its original multimeter. 39 00:04:00,230 --> 00:04:01,490 It's the third time. 40 00:04:02,180 --> 00:04:08,610 But that digital multimeter is away much better than this one. 41 00:04:08,730 --> 00:04:16,740 It has a feature called Auto ranging and from its name auto arranging means that you only need to set 42 00:04:17,190 --> 00:04:18,630 the thing that you want to measure. 43 00:04:18,630 --> 00:04:28,050 As you can see in this data we want to measure volt AC or volt DC and it will automatically get the 44 00:04:28,050 --> 00:04:29,890 result that we want. 45 00:04:30,270 --> 00:04:33,070 And this is what auto ranging means. 46 00:04:33,090 --> 00:04:39,750 It doesn't have different ranges of values and we don't need to start at the highest possible value 47 00:04:39,900 --> 00:04:46,200 and work our way down or what we need to know to do is set the value to the 48 00:04:49,030 --> 00:04:58,480 thing that we want to measure which is here Volt or Amber or current and it will do the job for us. 49 00:04:58,490 --> 00:05:05,710 The disadvantage of this is obviously the high cost it costs our way much higher than these two because 50 00:05:05,710 --> 00:05:14,320 it has the will to ranging future but it saves you a lot of time cause using these two you need to start 51 00:05:14,380 --> 00:05:18,490 at high strange and work your way down as you can see here. 52 00:05:18,640 --> 00:05:21,860 We have DC umpire or Charon. 53 00:05:21,880 --> 00:05:28,390 You have to start with the highest value and keep moving down until you reach the range or the required 54 00:05:28,390 --> 00:05:29,330 range. 55 00:05:29,500 --> 00:05:35,500 While in this one the third time which is auto arranging multimeter all what you need to do is set the 56 00:05:35,650 --> 00:05:43,650 quantity that you want to measure and it will auto range that value to the correct range. 57 00:05:44,170 --> 00:05:51,460 Internally you don't have to do anything in your dial and you don't have to adjust anything so it will 58 00:05:51,460 --> 00:05:52,480 save you a lot of time. 59 00:05:52,780 --> 00:05:56,500 But again it will cost you alot that's it. 60 00:05:56,590 --> 00:06:05,860 We have no clear idea about the three multi meters and under 20 meters digital multimeter and auto arranging 61 00:06:05,890 --> 00:06:13,120 multi meters or auto arranging digital multimeter is the best one or the most effective one is the auto 62 00:06:13,120 --> 00:06:22,300 arranging digital multimeter because it saves you time by doing the auto ranging automatically internally 63 00:06:23,200 --> 00:06:29,770 so you don't have to auto arrange or start from the highest value and move down to the lowest value 64 00:06:30,190 --> 00:06:37,540 while the other two you need to start at the highest possible value for current or voltage and move 65 00:06:37,540 --> 00:06:41,290 your way down to get the correct range. 66 00:06:41,650 --> 00:06:43,460 That's set for this lesson. 67 00:06:43,480 --> 00:06:49,000 Go and buy the one that fits your budget and your time. 68 00:06:49,000 --> 00:06:56,100 What we recommend is auto arranging multimeter and we'll show you that multimeter in the practical section. 69 00:06:56,110 --> 00:06:56,890 Thanks for watching. 70 00:06:56,890 --> 00:07:00,160 This is Ashraf from educational engineering team.