Products > Test Equipment
UNI-T UT61E Multimeter teardown photos.
Loboscope:
I have a Fluke "1 AC-II Volt Alert" [http://www.fluke.com/fluke/dede/elektrische-messgerate/spannungsprufer/tester-fur-elektrotechnik/spannungsprufer/fluke-1ac-ii.htm?pid=56048] and it works fine, simple and reliable. Contcatless testing will always be safer for sure. But the range of the Fluke Volt Alerts will only begin at 90-200 Volt depending on the model so there could be a voltage of 80 Volt for example which will not be indicated but will also be dangerous!
But if the Voltage Alert will not indicate some voltage and you will have a reasonable suspicion there should be som -lower- voltage, you can take the UT61E for measuring this lower voltage. Voltages less than 90 Volt should be no problem for the UNI-T.
analogix:
Ah! Thanks for pointing that out.
So in that case the Fluke T-series will also detect voltages lower than 80V and in some sense be safer than the contactless ones. I like "all in one" solutions, so perhaps a contactless one which also goes down to lower than 80V would be ideal. Maybe some of them have a sensitivity switch: if it doesn't detect anything above 80V for instance, a switch checking for lower voltages will allow another check before ensuring that there's no voltage present.
Many years ago I remember the German company Steinel made quality voltage testers. I see they're still around, and there are also similar (but different branded) testers with an LED for each voltage range (i.e. AC 12, 50, 110, 220V etc.). At least they check voltages lower than 80V but aren't contactless.
WackyGerman:
Yes my Fluke T 150 measures from 6V to 690V AC and DC , also nice for 12 V halogen lamp jobs . The T 90 measures fro 12 V to 690 V . Alternatively you could buy the voltage tester Uni-T 15 C which costs roundabout 40 € , it also measures from 12 V to 690 V AC and DC
analogix:
I will most likely save up a Fluke voltage tester of some sort the next time I need something like that. The contactless ones appear very handy and practical (and relatively affordable), but I'm put off by them not measuring below a certain relatively high voltage, so I might splurge and buy a Fluke T-90 (around € 55/US$ 60 here). Uni-T has their UT-18A (around € 38/US$ 42) and the contactless UT-11A (around € 14/US$ 15) but that would be kind of ironic when I'm not going to use a UT-61E for AC measuring because its questionable safety design. Too bad because their contactless UT-11A actually measures from AC 50V.
--- Quote ---New updated UT61E schematic is available at "ESI Service Info" website!
Get the CORRECTED version. It shows new protective circuitry, though SG1 does not show a voltage rating.
--- End quote ---
I haven't gotten around to it yet, but I plan to buy the GS version of the UT-61E from Reichelt in Germany. They confirmed that indeed, they sell the GS approved type.
So how can I ensure I get the corrected version? Is it a matter of asking for one manufactured after a certain date or batch, or were they corrected several years ago so it's likely I get a corrected version anyway?
Loboscope:
The "GS"-version must have the "GS"-label. You can see it here on the picture just above the "Hold"-button: http://www.pinsonne-elektronik.de/pi2/pd58.html
And it is also rated to a lower voltage and this is printed just beneath the connector-sockets. The picture on the reichelt-page indeed shows the wrong version. But I would trust reichelt if they confirm they will deliver the GS-version (but they should adjust the product page accordingly). I bought my UT-61E one month ago at pinsonne-elektronik and there was no problem, it is the GS-model as described.
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