Multimeter review / buyers guide: Agilent U1272A data logging multimeter

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A list of my multimeters can be purchased here:
astore.amazon.com/m0711-20?_encoding=UTF8&node=5
This an initial overview review of the Agilent U1272A. It covers its basic features and a teardown.
I will cover off the more advanced features and power-on options in future videos.
Review Index:
Introduction - 00:00:05 to 00:01:17
General look and feel - 00:01:19 to 00:06:03
Auto range, display resolution and update speed - 00:06:05 to 00:09:32
Accuracy, calibration and voltage reference test - 00:09:33 to 00:11:44
Current and resistance reference tests - 00:11:46 to 00:15:27
Continuity tester - 00:15:30 to 00:16:39
Min, Max, Average feature - 00:16:41 to 00:17:57
Trig Hold and Auto Hold Feature - 00:17:59 to 00:18:59
Multimeter teardown - 00:19:01 to 00:24:00
Low battery warning test - 00:24:02 to 00:26:26
Final Conclusion - 00:26:28 to 00:28:37
Key Features & Specifications:
* Feature sets that meet traditional industrial requirements and improve productivity and safety
* Improved accuracy and resolution to meet traditional industrial requirements (30,000 counts resolution with 0.7% for ACV accuracy)
* Intelligent features to improve productivity and safety (LPF, ZLOW, Smart Ω)
* Better grip
* Both visual and audible continuity indication in noisy environments
* Easy access to fuse for simplified maintenance
* Easy connectivity to PC and internal memory (up to 10,000) for data logging
* Large rotary switch and buttons that are easy to operate
* Dust and water resistant casing (IP 54 compliant)

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Опубликовано:

23 фев 2012

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Комментарии : 46

@daniellewis5302 12 лет назад

This was a very nice review. It's always helpful to see someone give their thoughts on a product and hold it in their hands for scale. I liked the fact that you talked about the plastic feel as this is something that concerns me too, as silly as that sounds. I also commend you on having the proper reference equipment to test a multimeter. Watching this has helped me get a feel for what this meter is really like. Thank you very much!

@mjlorton 12 лет назад

@dan20n Thanks, appreciate the feedback...I hope to continue doing the videos this way. There's a fair more work involved in the editing but the result certainly seems worth it. Cheers, Martin.

@mjlorton 12 лет назад

@orbiter8 Thanks. Interesting feedback on the selector knob...I'll note that and see how it feels after some use. Cheers, Martin.

@mjlorton 12 лет назад

@bkupiec Yes....I noted that after posting the video...that's one of those things that can happen when the battery voltage gets too low. I've added an annotation to highlight it. The manual does point out (as I mentioned in the video) that battery should be replaced when the icon is flashing. Thanks for watching and posting.

@mjlorton 12 лет назад

@electrodacus I like your thinking! Power consumption..not yet...but from another review (Kiriakos Triantafillou): 9-10 mA: at every AC mode = Active RMS converter. 3-5 mA: other modes. +1 mA: Active data logging. 0.03 mA: sleep mode (Not uA so to keep it simple) 56 mA: AC Mode + Back light High 45mA: the back-light alone (There is four active LED in it). I hear the new Fluke meters have li-ion batteries,I did not hear this through an official source but hope to confirm soon.

@mjlorton 12 лет назад

@keenantims I forgot to pickup on what you said about the behaviour in the high ohms range...I need to have a closer look at that too as it does not seem correct...

@mjlorton 12 лет назад

@keenantims Yes...that a good point about the autorange and and delta compared to Flukes...one to remember for the comparison. Interesting feedback on the tolerance and accuracy (meter vs ref)...I need to take a closer look at that myself....but again....thanks for the feedback.

@mjlorton 12 лет назад

@samgab Thanks Sam. I'm going to note all these bits for the comparison. Appreciate the feedback.

@mjlorton 12 лет назад

My pleasure, thanks for the feedback.

@mjlorton 12 лет назад

@samgab Yup..as per the latest video posting...thanks for you input and info on this Sam.

@mjlorton 12 лет назад

@DanFrederiksen No...I didn't...certainly a point for discussion in the comparison video. Thanks.

@kalhana_photography 10 лет назад

Thanks for the review. I got the U1273A (with OLED display) last year. But upon arrival, the meter was off spec by a huge amount. (5V was reading as 3V from what I remember). But Farnell quickly sent me a replacement. I assume it somehow got damaged (internally) during delivery because there's no way that could have passed the cal test. (I didn't check the certificate though) The "Smart Ω" mode is for measuring resistors in circuit where sometimes you have offset voltages due to charged caps etc. And that mode also can be used for measuring diode reverse leakage according to the manual. The meter does quite a good job at compensating, although it still won't be as accurate as if you took the component out. I don't think that it can compensate for the probes by using that function. The meter can go to quite a high frequency measurement range (I think 1MHz), although I have only used it up to around 200kHz. Overall, I'm very happy with the meter. Its accuracy is amazing and I think it's well worth the money.

@mjlorton 12 лет назад

@keenantims LOL!!! Yes...a little "woops" on my behalf....I have added an annotation to the video in that regard. Thankfully it survived... Thanks for bringing it to my attention.

@mjlorton 12 лет назад

@rapsod1911 Yes, very good point, it's one of those features we'll have a look at in the extended features video.

@KeenanTims 12 лет назад

And I just notice you run the 6V meter at 9V!! What a trooper! :P

@mjlorton 12 лет назад

@electrodacus Indeed, that sounds very feasible. I have not seen any Hybrid ultra-capacitors available here so I'll do some digging as it would be great to see a practical working solution based on that technology.

@KeenanTims 12 лет назад

I like that it allows the delta function when autorange is enabled - the Flukes don't. My old HP 974A does this to, saves a lot of annoyance when wanting to use that feature. Don't think you should be seeing that behaviour on the high ohms range though. Not sure if your standards or meter are more correct with these high accuracy meters. R's are 25ppm/degC tempco, which is only 4C/ohm on the 10k (the LSD at that range). 1mA and 5V are *just* better than the meter PentaRef isn't on the low volts

@roseelectronics4582 3 года назад

This meter with all those features and robust design can easily beat any fluke of the same price range.

@mjlorton 12 лет назад

@kiriakost1969 Thanks for that thread it was an interesting read. I still need to play with the smoothing feature but that does give some good information. Cheers, Martin.

@konradmuller5312 7 лет назад

Thanks for this nice video! There is a new version of Keysight meters out there. Will there be a review of the u1282a? I didn't found any extensive review.

@PHXGlock 4 года назад

I want a U1282A sooooooobad

@DanFrederiksen 12 лет назад

did you talk about the price? and value for money vs other meters : ) price is important

@mjlorton 12 лет назад

@electrodacus Sounds good to me....I'm going to see if I can find any here.

@jasonbay13 9 лет назад

so far this looks like the best meter for me. though its getting old now, but is still really expensive. is there anything with similar functionality with a lower price point? i have a cheap craftsman now, update speed and capacitance are a must.

@1337Shockwav3 9 лет назад

jasonbay13 Try eBay or various pricecomparators ... I just got mine (used but virtually new & complete) for 210€ with Fluke TL175 leads.

@mjlorton 12 лет назад

@kiriakost1969 LOL!!! Hello good man, congratulations on your excellent review of this meter. Yes...I need to play a little more with it and it could become one of the favorites! Cheers, Martin.

@mjlorton 12 лет назад

@samgab Yes, in this case Fluke have nailed it with their solution. The quality of the test lead wire and plastic materials make a big difference...for me anyway...I'm a bit fussy in that department ;-).

@mjlorton 12 лет назад

@samgab Good point...let me try store that in my memory bank....If I forget just tap me on the shoulder again. Cheers.

@mustitellyou151 5 лет назад

At 24:45 or thereabout, why was the temperature of the meter at 266 degree centigrade. which should be enough to melt the solder on the SMD parts? Also, I did not see any MOV or PTC resistors for protection. Is the Keysight (Aligent) 1282a of similar "quality"?

@PHXGlock 4 года назад

its 26.6 , hard to see in the video. Keysight U1282a is an Upgraded meter with many of the same features.

@bkupiec 12 лет назад

@mjlorton When you do the battery warning test, note the bar graph when you go under 4.2V. It climbs to 30 as the voltage drops. Is that a false reading or some kind of feature?

@mgobluevictor 4 года назад

I can't believe I am replying to an 8 year old video on RU-vid, but I noticed that too. Seemed quite odd.

@michaeljones1664 3 года назад

I don’t think it’s by design. Clearly, the graph circuit is responding to the voltage drop without being able to compensate for it.

@yoramstein 12 лет назад

Hello Mjlorton Can you tell where can i buy that voltage/ current refference circuit on the net?

@rapsod1911 12 лет назад

And nothing about ZLOW i LPF? Can you connect little dc engine and measure current with LPF on and off? Or measure output of dc-dc converter with LPF?

@mjlorton 12 лет назад

@electrodacus Thanks, I will PM you.

@davehwang6815 6 лет назад

Is it the same as Keysight?

@Calliboss 9 лет назад

Printed out manual is pretty old school... Why not just get an iPad or even better a Surface Pro 3 do replace the paper? You must be waiting for the Sony e-ink 13 inch tablet to come down in price :)

@flexairz 8 лет назад

+Calliboss Because nothing beats reading from paper and it does not use electricity. Your iPad or whatever electronic devices does. And try flipping through pages real quick and glancing through the text. Besides, paper is really easy to recycle. No worries about any trees getting killed in the process.

@davehwang6815 6 лет назад

Where is this made?

@mjlorton 12 лет назад

Yup, voltagestandard(dot)com