Multimeter professional full range ut61e true rms cat. Unit ut61e new automatic range digital multimeter universal meter ac dc 10hz. Ut61d when frequency measurement has been completed, disconnect the connection between the testing leads and the circuit under test, and remove the testing leads away from the input terminals. Unit ut61e acdc modern digital auto ranging multimeters data. Ut61c,ut61d and ut61e 1khz model ut61a61b61c61d61e. Service manuals, schematics, eproms for electrical technicians. This is a old unit multimeter and i have looked at it before, but i wanted to update the. Unit ut61a ut61b ut61c ut61d ut61e auto manual ranging modern digital. New usb device found, idvendor1a86, idproducte008 674. Modifying a unit ut61e dmm for added robustness part 2. Unit ut61e multimiter serial protocol reverse engineering. Unit ut61d true rms digital multimeter multi testers.
The project uses the ir rs232 adapter which is supplied with the dmm and python pyserial library to read the data. I noted that martin was using the same version of the software that came with my. Other headlines include frequency and duty cycle, capacitance, and relative mode. Apr 08, 2017 once again my unit ut61e gets modified. May 10, 2012 its autoranging and measures a little bit of everything. Unit is a chinese manufacturer uni trend and their multimeters are known the world over and have a healthy following. The unit ut61e is a 22,000 counts, cat ii 600 v cat iii 300 v handheld digital multimeter with rs232 or usb connectivity.
Unit unit ut61e ut61e digital handheld mutimeter tester. Its a real improvement to my old basic device and this one also has auto poweroff which was a requirement for my new dmm. The unit digital multimeter provides a sophisticated measurement technology at a very good price performance ratio. In the future might be capable reading the data from ut61e too.
Checking my dmm dc voltage accuracy candlepowerforums. Electronics is a beautiful thing, but electricity is unforgiving. Unit ut61e acdc modern digital auto ranging multimeters data hold. Ifa 2014, one of the worlds relevant trade fairs for consumer electronics and home appliances, did not only unveil galaxy note 4 but also premiered a demo of a new advanced charger for us flashlight, ecig, rc toys, camera, charger, electric tools and appliances fans. Converting the unit ut61e to 3volt power from aa batteries. Based on the cyrustek es51922 chip see useful info and datasheet. It had the highest burden voltage of all my meters next to.
Unit ut61e digital multimeter is with high reliability, high security automatic range handheld multimeter, etc. Unit ut61e acdc modern digital auto ranging multimeters. The most popular version among the software users is 1. Oct 12, 2019 on the farm i had two unit ut61e, oneof which i decided to put under a knife. The new version has three input circuits protected by thermistors, instead of two. Its also good to have access to two dmms at the same time.
It is 22,000count, true rms, has a bargraph, and features a pc interface for logging readings. It had the highest burden voltage of all my meters next to the free hf. As the backlight draws over 2 ma the battery is sourcing twice the current now. Im so tired of putting new batteries in the old one whenever i forget to turn it off which is all the time. I decided to poke arround and see if i can reverse engineer the serial protocol that might be useful for someone who would like to try to write a different software or maybe even use my serialchart software. Before i considered either a siglent sds1102cml or an owon sds7102 both because of deep memory and screen size. Review of unit ut61e digital multimeter the ut61e is a 4. Nov 14, 2014 i finished a version of the ut61e backlight. Unit ut61e acdc modern digital auto ranging multimeters data hold unit ut9c 5999 count true rms lcd digital auto range multimeter addc voltage current tester with resistance capacitance ncv test and temperature measurement. Modifying a unit ut61e dmm for added robustness part 2 youtube.
Packaging should be the same as what is found in a retail store, unless the item was packaged by the manufacturer in nonretail packaging, such as an unprinted box or plastic bag. Every purchase is starrated and often has comments left by previous. T61 and prior t series plus other legacy thinkpads. The unit ut61e is the most sophisticated meter examined so far in the budget multimeter section. This series is all auto range with selectable true rms models. The autoranging is very quick, the added accuracy of the meter is also an added bonus. See unit ut61e info for more details such as lsusb vvv output about the device. The unit ut61e is the most sophisticated meter examined so far in the budget. Truerms digital multimeter unit ut61e philipps computing.
Ut61e is a fantastic multimiter for the price that unfortunately comes with a terrible pc interface program. The ut61e is the top of the line of the ut61 series and, while some of the cheaper manufacturers tend to put out junk, this generally has good accuracy and speed. Connected my trusty tekpower and the new ut61e to my lab power supply, set the voltage at 5v and see how the new meter performs compared to the old meter. Uni tech website has the english versions available, but still giving five stars for. The he2325u binary in that archive is my modified version that is working well on my 32bit ubuntu 12. It is rather big and heavy with its integrated metal heat sink and smart cooling fan, supports multichemistry, 73mm long cells. The reason i went for the hameg was because it was less than half the costs of the usb versions and. Sep 10, 2016 in this video i continue to look at improving the meters robustness even further. The unit ut61e has a builtin usb rs232 interface for pc communications.
In the unlikely event that a return is request, all returns must include all original items undamaged, in resaleable condition, all original packaging including manuals, warranty forms, etc. I tested readings compared with my 12070t and the volt, amp, and ohm readings were almost exactly the same, in fact the ut61e provides finer detail. If you run windows, you may be better off with dmm. Combined with its software, it allows receiving, recording and performing long time data measurements with graphical visualization. Unit ut61e unit modern digital multimeter ut61e this modern digital multimeter has been designed with a fashionable structure and is a highly javascript is currently disabled in your browser, please turn it on to avoid loss of functionality. A web interface for the display of a unit ut61e digital multimeter written as a node. Ut61 series complies with ce, etl, and gs standards. This site helps you to save the earth from electronic waste. The meter is one of the meters in the ut61 series, that at the current time has 5 models with slightly different functions.
This is an inteface for the data acquisition cable for the unit unitrend ut61d multimeter. Sep 18, 2015 ut61e is a fantastic multimiter for the price that unfortunately comes with a terrible pc interface program. I will not make a new version to change this as you can expect a new enhanced version in the near future anyway. Shop unit ut61e acdc modern digital auto ranging multimeters multitester. When frequency measurement has been completed, disconnect the connection between the testing leads and the circuit under test, and remove the testing leads away from the input terminals. A brand new, unused, unopened, undamaged item in its original packaging where packaging is applicable. Its main goal was to learn the unit ut61e data protocol. Different models cover the entire range, from the good entrylevel model to precise measurement devices with a precision of 0. It supports both usb using libusb and rs232 cables. As a result it has replaced my old multimeter because it does everything, just. This is important because in the future i will compare the converted device and the original. New version of lenovo vantage x is missing features 20 moto g6 travando apos atualizacao do android 9 pie 44 x1c6t480s low ctdp and trip temperature in linux 14.
In china and the rest of the world the old version with the. I got a new drive running windows 7 ultimate from my friend and ive decided to restore it to factory settings, but the issue i have is that ive tried windows original way of factory restoring but i havent been getting the option to do so. Qtdmm is a dmm readout software for linux and mac os but right now the ut61e is not supported. It looks like the gs version, cat iii 600v if i recall properly. Unit ut61e service manual download, schematics, eeprom. There is less restriction voltage on amperes, due to the bridge with a diode in the diagonal, instead of two counterconsecutive zener diodes of 6. On the farm i had two unit ut61e, oneof which i decided to put under a knife. In this video i continue to look at improving the meters robustness even further. Unit unit ut61e ut61e digital handheld mutimeter tester dmm. It is our top of the range meter the ut 61e multimeter offers diverse functions such as. Unit ut61e digital multimeter true rms auto range 22000 counts pc connect. Discount on the ut61e available to my viewers if you contact franky directly. Note l in each range, the meter has an input impedance of 10m except mv range which input impedance is 3000m. This loading effect can cause measurement errors in high impedance circuits.
If you are new to meters take the time to study, learn and experiment safely at low voltages and currents before moving up. Hi, recently my old hard drive to my lenovo t61 crashed and i was lucky enough to move my personal stuff that mattered to me. A brandnew, unused, unopened, undamaged item in its original packaging where packaging is applicable. Python library for reading data from unit ut61e dmm. With large screen digital and high resolution simulation of the pointer synchronous display, full range of overload protection and unique appearance design, make it become more excellent performance of a new generation of practical electric instrument. In china and the rest of the world the old version with the glass fuses may still be produced. Unit ut61e data logging programs hardware to software. See unit ut61einfo for more details such as lsusb vvv output about. This time to reduce the burden voltage in the ua range. Checking the accuracy of my new unit ut61e dmm on the low dc range.
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