Best low cost Pocket Oscilloscope Multimeter - Zotek

[@qzorn4440]

This is the best Zotek demo yet. I would much rather watch how to use the ZT-702S on a real circuit board, than look inside the unit. If it works great for $75, that's enough for me. 🥳 The display did not flicker on KZbin with good color detail. Also, a Fluke-190 insulated 2-channel oscilloscope is over $4300. If Zotek had a higher CAT rating and could link two ZT-meters with BlueTooth on a laptop. Then testing 3-Phase power and checking harmonics at a really cheap price is doable. Dirty inverter power is causing lots of problems. 😎 Anyway, thanks for the most interesting video. PS.. I would like to see some of the waveforms compared on your better oscilloscope for a benchmark. 🧐

[@KissAnalog]

Thanks so much! I’ll have to do a measurements comparison video:)

[@qzorn4440]

@@KissAnalog Thanks.

[@XTSM1]

@@KissAnalog Let the creator bless you!!!

[@TRONMAGNUM2099]

I bought it for my tool bag at work. Already has come in handy. Used it to troubleshoot a pwm board. For the price it is a steal.

[@KissAnalog]

Thanks for this great feedback!

[@theclutteredworkbench]

For $80 it is a great meter and scope! I have one, I use it more than my Rigol 1054z. For someone starting in electronics, a dmm/scope, great product. Keep up the great content Eddie!!

[@KissAnalog]

Thanks for sharing! I appreciate you!

[@enigmaticmf]

Yup! I got mine for $50 delivered. At first, I got an Owon HDS2102S because I didn't want to blow up my Rigol 1054z while learning the art of electronics - as well as having something not mains-Earth referenced. Then I decided I didn't want to blow up my more 'expensive' Owon while learning, either. 🤔 So I remained on the lookout for something cheaper that I didn't mind so much if I accidentally blew it up. And finally found out about this unit! 👍

[@gorak9000]

I just ordered the ZT-703S - 50MHz 280Msps 2 ch version of this for $81 - should have it in a couple of weeks. It was just-just released - there's only one place on ali that seems to have it so far. I was working on something outside where I needed to look at a waveform, and outside in the rain is really no place for an expensive Keysight scope. I think an $80 handheld 50Mhz scope is more suitable to harsh locations! Kinda torn between the ZT-703S and the Owon HDS2202(s). The HD2202 is definitely better, but also 4x the cost. I'll try the cheapie first!

[@georgecurrenti]

Good review… thank you. I’ve ordered the current model ZT-703s.

[@KissAnalog]

Thank you! Please let us know how you like it;)

[@rleeAZ]

Watched Dave's review, but I really enjoyed you actually using it on the flyback.... real world stuff. Made a decision to buy from this video. Thanks Eddie!

[@KissAnalog]

Thanks so much!

[@khuongathebounga4141]

Thanks for the review Eddie. Really enjoy your in-depth reviews.

[@KissAnalog]

I appreciate you!

[@howlinhog]

Because I pretty regularly use 1000:1 (secondary ignition) probes, my excitement for this scope has been dashed on the rocks. LOL. Oh well. It's not like my 190-204 Fluke is some kind of hassle to use making this a "gotta have" scope. P.S. Thanks for bringing attention to the aspect of intuitive operation. i deal with lots of different manufacturer's menus, so i use that word pretty regularly along with a wide range of cuss words.

[@KissAnalog]

LOL You still can use the 1000:1 probe with this but you just multiply all measurements by 100 using the 10x setting:)

[@howlinhog]

@@KissAnalog I hadn't thought of that before. It's kind of funny because I just had a conversation with a waitress on how easy it is to figure out her tip. Move the decimal. Duh. LOL I did put the Zotec in my Amazon cart $71. I have to buy another set of fluke insulation piercing probes and thy're just about that much. I have a bad habit of walking off and leave them dangling off a wire. I guess if I can be so absent minded about something like that, I can afford the meter.🤣

[@versace885]

Hi Eddie, thank you for the video and a thorough review. Awesome.😁👍

[@kubanpanzer]

Hey, that ACF converter looks pretty sweet.. I came to look at a multimeter, and walked away wanting to know more about that circuit..

[@KissAnalog]

That's great feedback! Thank you! I do have a lot of videos on power supply design. That's actually my specialty;)

[@just.jack1011]

Hey, I’ve been looking for a handheld oscilloscope kinda like the one in this video. Was going to go with the tpi440 because we have one at the shop i work at but they’ve been discontinued. Any suggestions on a reputable oscilloscope under 500$ that I wont need to replace after a few months of use? My main purpose for it is setting gains and crossovers on amplifiers so nothing too crazy but it does need to be reliable and consistently accurate. Open to any suggestions and if you think the one in this video would be the best fit I’m all for it just don’t want to spend 1500-3500 on a fluke 😵‍💫

[@KissAnalog]

Thanks for asking. That TPI scope looks like older tech. Is there anything about it that you liked? This scope looks much better - but there is a newer version which is still 1/3 the price of the TPI and far better: Here is a link to the new ZT703S video: kzbin.info/www/bejne/gaLUaoCEnp6llaM Here is the link to the scope: amzn.to/3JEitym

[@jstro-hobbytech]

I've owned many zoteks. I've donated many to the local makerspace. It's on sale this weekend from some sellers if you follow Ed's links and keep scrolling. I have the mini 10k count one. I donated my old one and missed it and reordered it haha.

[@KissAnalog]

LOL thanks so much!

[@microknigh7]

That would make a good meter for our field engineers. Shame the ACV bandwidth is only to 1KHz. TBF few, handhelds (even high end) are any better. But with this you can always use the scope function to get round it. It's a nice meter for the price. Great review 🙂

[@KissAnalog]

Thanks - great comment! Unless you spend a lot - most meters are limited to 1kHz, but using the scope function this has 10MHz:)

[@watchmakerful]

In the scope mode it easily catches 120 kHz AC, but the RMS reading is way off (up to 1.5x).

[@pasdutout4690]

Eddie, would it be fine for giving a nice reading of motorcycle CKP sensors (typically 0.7 Vac @ starting RPM) ? I use a peak V std multimeter , but would like more details .

[@KissAnalog]

I think this would be great. I just used it to look at the inrush to a switching power supply and it worked great! I compared it to the PicoScope and they agreed;)

[@zotekmultimeters4774]

Great review! It's filled with lots of details. Thank you for putting in the effort!👍

[@KissAnalog]

Thank you!!

[@electronic7979]

Nice product

[@KissAnalog]

Thanks!

[@marcdraco2189]

Gosh damnit... I only said the other day how nice it was to see an Eddie video and not feel the need to spend money... and the YT suggests THIS! You baaaassssstaaaaard! (:))

[@KissAnalog]

LMAO ;) but there's so many cool things out there...

[@marcdraco2189]

@@KissAnalog and only a limited amount on my bench (which, thanks to being single) has now extended across most of my living room space too. :)

[@KissAnalog]

LOL - I can't get away with that;)

[@marcoalexandrebianchi2755]

Good morning. My name is Marco and I'm Brazilian Your video is very good. I have a question: This ZT702S device, with the oscilloscope function, can I connect it to a computer for measurements, making the computer screen the oscilloscope screen? Another question: can I measure 1mV scale, as I use a lot of load cells? Thanks

[@KissAnalog]

Great to hear from our friends in Brazil:) Yes it does connect to the pc.

[@motorax.service.motociclete]

hi. do you think an atenuator like hantek's 20:1 would fit into that body? looks like small area around the bnc connector

[@KissAnalog]

Great question. If the BNC connector does not have a large plastic casing then I think it would fit most scope probes that are basic BNC connectors. Have you seen the new video where I show this ZT702S and the new ZT703S side by side. kzbin.info/www/bejne/gaLUaoCEnp6llaM

[@salarhadi2988]

Thank you for your vedio . My question is the 48ms/s is enough for power electronics testing purposes? Like distortions in waveform of output or in inputs dc or Ac ?

[@KissAnalog]

Thanks for the question but I was able to go to 100ns/s which is good enough for most:)

[@versace885]

Hi Eddie, thank your for the outstanding Video. 👍

[@KissAnalog]

Thanks so much!

[@howlinhog]

I need another scope like I need a hole in the head. And as a professional, I don't need a cheap one. So what I did is...........I bought it. LOL. Just got it today and ordered it Sunday. Amazon, gotta love it. So I played around with it some while it's charging and I decided I like it. The display is not at all hard to see and I can set it to 20 seconds per division which just so happens to be what I'm going to set it at tomorrow morning when I go to find an intermittent short on a 5 volt reference signal while I wiggle harnesses. could be an open, I'm just going on what the other tech I'm taking over for said. This will be a perfect test for battery life if I end up not finding the issue right away. It's smaller in the hand than I thought, I kinda like that too. Compared to my 190-204 Fluke it's a midget. Fluke is on charge right now too. Not leaving anything to chance, I'm going into some factory I've never been to and many times there is no access to AC power. I couldn't find any filter settings so there's that. What'ya want for $70? LOL

[@KissAnalog]

LOL that’s awesome!

[@waltercheatle1794]

You convinced me Eddie, I'm going to buy one! How does this meter compare with the Hantek handheld oscilloscope? From my standpoint, one weakness I've noticed in many of this less expensive meters is that the ma range is usually limited to 200 ma. In audio work, setting the bias on the output transistors frequently requires that the meter read above that. Still, this looks like an awesome unit for the price.

[@KissAnalog]

Great point Walter! But it is a 10k count meter so maybe the 10A input will have the range and resolution needed?

[@dlonrazurc]

Best review I've seen, appreciate it!

[@KissAnalog]

Thank you!

[@MarcelHuguenin]

Hi Eddie, great video. Good to see someone is doing some actual measurements with this device! I purchased it several weeks ago ( €55.77 / US$61.40) and I love it. I think it's a fantastic device for the bench and certainly also because of the non-earthed portable character of the device. Also, the device is pretty accurate for the bench in home use. Good bang for the buck! As someone else wrote, a Duty Cycle option would have been nice to have as well. Anyway, I would for sure like to see another video where you demonstrate some 'tricks of the trade' as you were alluding to. That would make the meter even more powerful for some or all of us.

[@KissAnalog]

Thank you - I’ll have to do that! Maybe we can see that in a future firmware update?

[@MarcelHuguenin]

@@KissAnalog I hope they will do that!

[@TzOk]

Have you noticed a trigger offset after the calibration?

[@MarcelHuguenin]

@@TzOk good question. I would have to check. The measurements so far are looking good but I will check.

[@MarcelHuguenin]

@@TzOk I think you're right. I calibrated and did see a very slight trigger offset: trigger line show higher than wave form it's triggering. It's workable for me. I think it's a fantastic device.

[@zotekmultimeters4774]

Regarding the bracket, I want to emphasize its anti-break design. When the bracket is subjected to external pressure, it will automatically detach instead of breaking. As a result, you only need to unscrew the rear cover screw and re-install the bracket.😃

[@KissAnalog]

Great info - thanks!

[@hoobsgroove]

What about testing transistor matching can you do that on it?

[@KissAnalog]

Yes I think you could, but I think it depends on what parameter that you want to match and if you had use of another piece of equipment.

[@johnmcdaniel3471]

Thank you for your review. Outstanding.

[@KissAnalog]

Thanks so much!

[@petersage5157]

Gotta comment with a correction about in-plane switching LCD displays. In addition to having the better field of view over twisted nematic, their refresh rate is an order of magnitude faster. The tradeoff is they require an order of magnitude more power, which is why TN displays are still preferred on portable test equipment.

[@KissAnalog]

Thanks for this great info!!

[@yurkshirelad]

How accurate is the temperature sensor?

[@KissAnalog]

It is pretty typical for a multimeter, it is +/- (2.5% +5Digits)

[@johnmcdaniel3471]

Thanks!

[@KissAnalog]

You bet;)

[@fredflintstone8048]

Not bad for $72 (current price) on Amazon. Regarding safety, and I've worked in both high voltage and high energy situations many times is to know what you're doing. Think everything through. If you don't fully understand what you're doing STOP, take the tie to do some reading, or let someone else do it. I also work as a hobbyist in my own machine shop with machines that can hurt you badly. Always know what's going to happen. Don't guess, 'know'.

[@KissAnalog]

Great feedback! Thank you!

[@jabbalechat7910]

As Dave says it's not bad for the money and suitable for hobby use. Reminds of the Uni-T eqivalent I bought in the mid 2000s, eventually gave it away...

[@KissAnalog]

Thank you! I think Dave was very fair on his review on this - which is a bit out of character when it comes to these 'low cost' devices. But I have noticed that he has mellowed out a bit in this regard;)

[@collegephysicsforeveryone7744]

this is great thank you!!!

[@KissAnalog]

Thanks so much for your feedback! I have a new ZT-703S that I will review soon;)

[@Robjud-u2x]

Next time you dyno an amp could you use this to show the clipped waveform etc? Cheers edd.

[@KissAnalog]

Thanks for the idea! I sure will;)

[@RixtronixLAB]

Nice info, thanks :) 👍

[@KissAnalog]

Thanks for your feedback!

[@MTatoox]

Thanks 👍

[@KissAnalog]

Thanks for your feedback!

[@dongwarrenmusic]

A 2 channel scope only without the multi meter would be a nice trade off at the same or lower price. Since we can't use it at the same time.

[@KissAnalog]

Thanks for the great feedback! I see your other comment on the new ZT703. ha ha - thank you!

[@dongwarrenmusic]

@@KissAnalog haha. I view the video in one day. Just like time machine? KZbin suggest auto playlist. 😆❤ funny thing. It's like having a wish granted in a minute. 😅

[@jaakkooksa5374]

When you charge it with the power turned off, the power button lights up red to indicate charging, but is there any indication of when the battery is full?

[@randyab9go188]

The light goes off.

[@KissAnalog]

Thanks for answering this for me;)

[@jaakkooksa5374]

@@randyab9go188 Awesome! Thanks!

[@jstro-hobbytech]

Next to oled, ips are more expensive than hi refresh rate va panels because of their fov. Before I got a 120hz oled I had a 165hz VA panel because the 165hz ips one cost double haha.

[@KissAnalog]

Thanks so much for the great info!!

[@watchmakerful]

The only feature really missing from this device is ESR measurement. Even cheap ATmega based transistor testers have it. Is it too hard to implement?

[@KissAnalog]

That's a great question! Yes, I think to get a good ESR measurement it takes at least 2 different frequencies. Here's a video to show the complexity: kzbin.info/www/bejne/qp_QZHeNgNGHaMU This video shows some lower cost options: kzbin.info/www/bejne/bJCZfICkeZmZZqc

[@Robjud-u2x]

Hdmi connector on these pocket scopes would be great. Hook it up to an old pc monitor or something.

[@KissAnalog]

Yes, it would be worth a few more dollars to have that feature.

[@watchmakerful]

In the last firmware version (1.03.51) the device displays (graphically!) the correct lead positioning for both 10 A and mA modes EVERY TIME one of these modes is selected.

[@KissAnalog]

Thanks so much! I will need to update mine.

[@watchmakerful]

Attention: in the relative mode it does NOT automatically switch ranges!

[@KissAnalog]

Thanks for your feedback! How are you enjoying your meter?

[@richardtongi2391]

As far as I can see from the manual the scope doesn´t have an x-input. Therefore it is not possible to do measurements with Lissajous curves. So it´s not a scope I would like to have.

[@KissAnalog]

Thanks for your feedback! Yes it just has a single input, but it does make a nice low cost isolated probe;)

[@gorak9000]

There's a ZT-703S 2 channel 50Mhz 280Msps version now - it should have x-y mode. It was just released in the last week or 2. No reviews of it yet anywhere, but I ordered one. About $81 shipped with 2 scope probes.

[@davidgriffin79]

I bought one of these meters off Dave's review. The problem I find with the cheap Chinese meters is that they start to lose functionality, or just completely fail, after a while. For multi-meter use, if you invest in a quality make, it will be well constructed and will last you many years (and it will be genuinely certified). As a portable scope, however, I think this device is worth the price of entry, even if it only lasts a couple of years.

[@KissAnalog]

Thanks for your feedback! I understand that there is a Firmware update to take care of the mA / Amp problem that Dave found. I think that is a great sign that they are trying to improve.

[@RensePosthumus]

The more I use it, the more I miss one thing: there is no duty cycle measurement in the scope part.

[@KissAnalog]

Thanks! Hopefully they can add this in a future firmware update.

[@RensePosthumus]

@@KissAnalog I did mail this request.

[@ssalient]

It's a nice all-in-one device however it does have some flaws (which is to be expected at this low price point and can be mostly forgiven). One of these is the bar graph, which has the same update speed as the digits which makes it kind of useless. This goes for a lot of cheapo multimeters though. Another thing is that it can give you false readings on for instance mA setting if you accidentallly use the A input jack. A good meter either gives a correct reading with less precision or no reading at all. Also this is not unique to this meter but it is something to be aware of.

[@KissAnalog]

Yes you are right. Many meters have bar graphs that are not really that useful. Even if they are faster often it isn’t a big enough difference to make them worthwhile.

[@rhalfik]

FFT?

[@KissAnalog]

Nope no FFT but that might be asking a lot for a scope under $100 ;)

[@christophero1969]

Is this a paid promotion?

[@KissAnalog]

No - unfortunately I've never been paid to do any review. I think my channel is still too small. But someday it could happen, but I will not sell all my hard work for a paid promotion;)

[@nickayivor8432]

Outstanding tutorial video Brilliant video Enjoy your weekend with all your family around you Kiss Anulog 👍 SUBSTANTIAL Kiss Anulog From Nick Ayivor from London England UK 🇬🇧 ⏰️ 20:13pm

[@KissAnalog]

Thanks so much Nick!

[@user-ub5su9vj6d]

😇😇😇👍👍👍🙏🙏🙏

[@KissAnalog]

Thanks! There is a new video showing the ZT702S and the new ZT703S: kzbin.info/www/bejne/gaLUaoCEnp6llaM

[@user-ub5su9vj6d]

Great!!! keep on working@@KissAnalog