Difference between revisions of "UNI-T UT61E"
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* [http://www.eevblog.com/forum/product-reviews-photos-and-discussion/uni-t-ut61e-multimeter-teardown-photos/?action=dlattach;attach=20302;PHPSESSID=14790b9893bed7edb7d8c0505b195ed8 UNI-T UT61E schematics: ut61e sch.pdf] | * [http://www.eevblog.com/forum/product-reviews-photos-and-discussion/uni-t-ut61e-multimeter-teardown-photos/?action=dlattach;attach=20302;PHPSESSID=14790b9893bed7edb7d8c0505b195ed8 UNI-T UT61E schematics: ut61e sch.pdf] | ||
* Teardowns: [http://www.eevblog.com/forum/product-reviews-photos-and-discussion/uni-t-ut61e-multimeter-teardown-photos/msg45069/#msg45069 1], [http://www.eevblog.com/forum/product-reviews-photos-and-discussion/uni-t-ut61e-multimeter-teardown-photos/msg113968/#msg113968 2], [http://www.eevblog.com/forum/product-reviews-photos-and-discussion/uni-t-ut61e-multimeter-teardown-photos/msg86347/#msg86347 3], [http://www.eevblog.com/forum/product-reviews-photos-and-discussion/uni-t-ut61e-multimeter-teardown-photos/msg86378/#msg86378 4], [http://www.eevblog.com/forum/product-reviews-photos-and-discussion/uni-t-ut61e-multimeter-teardown-photos/msg86802/#msg86802 5], [http://www.eevblog.com/forum/product-reviews-photos-and-discussion/uni-t-ut61e-multimeter-teardown-photos/msg82784/#msg82784 6] | * Teardowns: [http://www.eevblog.com/forum/product-reviews-photos-and-discussion/uni-t-ut61e-multimeter-teardown-photos/msg45069/#msg45069 1], [http://www.eevblog.com/forum/product-reviews-photos-and-discussion/uni-t-ut61e-multimeter-teardown-photos/msg113968/#msg113968 2], [http://www.eevblog.com/forum/product-reviews-photos-and-discussion/uni-t-ut61e-multimeter-teardown-photos/msg86347/#msg86347 3], [http://www.eevblog.com/forum/product-reviews-photos-and-discussion/uni-t-ut61e-multimeter-teardown-photos/msg86378/#msg86378 4], [http://www.eevblog.com/forum/product-reviews-photos-and-discussion/uni-t-ut61e-multimeter-teardown-photos/msg86802/#msg86802 5], [http://www.eevblog.com/forum/product-reviews-photos-and-discussion/uni-t-ut61e-multimeter-teardown-photos/msg82784/#msg82784 6] | ||
[[Category:Device]] | |||
[[Category:Multimeter]] | |||
Revision as of 13:39, 8 October 2012
The UNI-T UT61E is a 22000 counts, CAT II (600V) / CAT III (300V) handheld digital multimeter with RS232 or USB connectivity.
See UNI-T UT61E/Info for more details (such as lsusb -vvv output) about the device.
Hardware
- Cyrustek ES51922 multimeter chip (ES51922A actually, as per various photos: 1, 2, 3, 4)
Photos
Old:
New:
Protocol
TODO.
The transmission of the measurement data cannot be disabled, the respective Cyrustek ES51922 pin (111, RS232) is tied to GND (i.e. transmission is always enabled) on this multimeter.[1]
Resources
- Henrik Haftmann: DMM.exe etc. (Windows software for various UNI-T DMMs, and lots of device/protocol info)
- Henrik Haftmann: Hoitek HE2325U info
- Henrik Haftmann: UT61E log and protocol docs
- diyftw.de: Uni-Trend UT61E (UT-D04 linux treiber) (device info, Linux software using HIDAPI: ut61e-linux-sw-0.02.tar.gz)
- Steffen Vogel: UNI-TREND UT61E Digital Multimeter (device info, Linux software for serial port: dmmut61e-0.01.tar.gz)
- Steffen Vogel: Inner workings of UNI-TREND UT61E Digital Multimeter (teardown)
- erste.de: UT61 - USB Multimeter unter Linux auslesen (info on the Hoitek HE2325U (clone?) and how suspend/resume fixes some issues with it)
- easyelectronics.ru: Refinement of a file multimeter UT61E
- flodins.info: Multimeter UNI-T UT61E
- UNI-T UT61E schematics: ut61e sch.pdf
- Teardowns: 1, 2, 3, 4, 5, 6