sigrok - User contributions [en]

UNI-T UT61E

2019-04-18T20:30:39Z

Jbeale: /* Usage */ brief explanation of fixed and continuous options

{{Infobox multimeter
| image = [[File:Old_ver_front.png|180px]]
| name = UNI-T UT61E
| status = supported
| source_code_dir =
| counts = 22000
| categories = CAT II (600V) / CAT III (300V)
| connectivity = [[Device_cables#UNI-T_UT-D02|RS232]] / [[Device_cables#UNI-T_UT-D04|USB]]
| measurements = voltage, current, resistance, capacitance, frequency, duty cycle, diode, continuity
| features = autorange, true-rms, data hold, min/max, relative, bargraph, backlight
| website = [http://www.uni-trend.com/UT61e.html uni-trend.com]
}}

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 ==

* [[Multimeter_ICs#Cyrustek_ES51922|Cyrustek ES51922]] multimeter chip (ES51922A actually, as per various photos: [http://i492.photobucket.com/albums/rr283/DarkShadower/IMAG0005.jpg 1], [http://www.eevblog.com/forum/product-reviews-photos-and-discussion/uni-t-ut61e-multimeter-teardown-photos/?action=dlattach;attach=19985;image;PHPSESSID=14790b9893bed7edb7d8c0505b195ed8 2], [http://img848.imageshack.us/img848/3784/dscf0150w.jpg 3], [http://we.easyelectronics.ru/uploads/images/00/05/21/2011/11/18/553300.jpg 4])

== Photos ==

'''Older version:'''

<gallery>
File:Old ver.JPG
File:Old ver front.JPG
File:Old ver back.JPG
File:Old ver batt.JPG
File:Old ver lcd.JPG
File:Old ver cables.JPG
File:Old_ver_pcb.JPG
File:Old ver es51922a.JPG
</gallery>

'''Newer version:'''

<gallery>
File:New ver.JPG
File:New ver front.JPG
File:New ver back.JPG
File:New ver backb.JPG
File:New ver batt.JPG
File:New ver frontCover.JPG
File:New ver Knob.JPG
File:New ver lcd.JPG
File:New ver pcb front.JPG
File:New ver pcb back.JPG
File:New ver es51922a.JPG
File:New ver ad737.JPG
</gallery>

== Protocol ==

See [[Multimeter_ICs#Cyrustek ES51922]] for the DMM IC protocol.

Depending on the cable, additional decoding is needed, though.

Different cables are available to communicate to the DMM: regular serial cables which provide a COM port, and USB HID based cables where applications are required to handle a proprietary protocol of running serial communication on top of HID requests. See the [[Device cables]] page for details, the same cables can be used with many different DMM models.

Depending on the specific cable in use, either a device driver ending in '''-ser''' or not ending in '''-ser''' must be used. See README.devices for details.

"HID feature report error: LIBUSB_ERROR_PIPE" results from using the USB HID driver with a USB-to-serial cable. In this case, try using --driver='''uni-t-ut61e-ser'''

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.[http://www.steffenvogel.de/2011/01/25/inner-workings-of-uni-trend-ut61e-digital-multimeter/]

== Usage ==
The following [[sigrok-cli]] command can be used to receive 5 measured values from a device connected via USB (note that the USB VID/PID after the '''<tt>conn</tt>''' option needs to be changed depending on the exact USB adapter cable used):
<source lang="bash">
$ sigrok-cli --driver=uni-t-ut61e:conn=1a86.e008 -O analog --samples 5
</source>

If your meter has a serial (RS-232) cable connected to a USB-to-serial adaptor, a different driver is used. Example for ttyUSB0:
<source lang="bash">
$ sigrok-cli --driver=uni-t-ut61e-ser:conn=/dev/ttyUSB0 -O analog --samples 5
</source>

'''<tt>--samples <n></tt>''' stops acquisition after the specified number of measurements, while '''<tt>--continuous</tt>''' does not stop. Type just '''sigrok-cli''' by itself for a summary of options.
More information on drivers can be found in the [http://sigrok.org/gitweb/?p=libsigrok.git;a=blob;f=README.devices README.devices] file of the [[libsigrok]] source tree.

== Resources ==

* [http://www.uni-trend.com/manual2/UT61English.pdf Manual]
* [http://www.uni-trend.com/Web%20site/DMM%20Software/UT61E_setup%20v2.00.exe Vendor software]
* [http://www-user.tu-chemnitz.de/~heha/hs_freeware/UNI-T/ Henrik Haftmann: DMM.exe etc.] (Windows software for various UNI-T DMMs, and lots of device/protocol info)
* [http://www-user.tu-chemnitz.de/~heha/bastelecke/Rund%20um%20den%20PC/hid-ser.en.htm Henrik Haftmann: Hoitek HE2325U info]
* [http://www-user.tu-chemnitz.de/~heha/hs_freeware/UNI-T/UT61E.LOG Henrik Haftmann: UT61E log and protocol docs]
* [http://diyftw.de/wiki/doku.php?id=projekte:ut61e diyftw.de: Uni-Trend UT61E (UT-D04 linux treiber)] (device info, Linux software using HIDAPI: [http://diyftw.de/wiki/lib/exe/fetch.php?media=projekte:ut61e-linux-sw-0.02.tar.gz ut61e-linux-sw-0.02.tar.gz])
* [http://www.steffenvogel.de/2009/11/29/uni-trend-ut61e-digital-multimeter/ Steffen Vogel: UNI-TREND UT61E Digital Multimeter] (device info, Linux software for serial port: [http://static.steffenvogel.de/wp-content/uploads/2009/11/dmmut61e-0.01.tar.gz dmmut61e-0.01.tar.gz])
* [https://bitbucket.org/kuzavas/dmm_es51922 Multimeter data parsing utility] complete implementation written in Python
* [http://www.steffenvogel.de/2011/01/25/inner-workings-of-uni-trend-ut61e-digital-multimeter/ Steffen Vogel: Inner workings of UNI-TREND UT61E Digital Multimeter] (teardown)
* [http://erste.de/UT61/index.html erste.de: UT61 - USB Multimeter unter Linux auslesen] (info on the Hoitek HE2325U (clone?) and how suspend/resume fixes some issues with it)
* [http://translate.google.de/translate?sl=auto&tl=en&js=n&prev=_t&hl=de&ie=UTF-8&layout=2&eotf=1&u=http%3A%2F%2Fwe.easyelectronics.ru%2FACE%2Fdorabotka-napilnikom-multimetra-ut61e.html&act=url easyelectronics.ru: Refinement of a file multimeter UT61E]
* [http://translate.google.de/translate?sl=pl&tl=en&u=http%3A%2F%2Fflodins.info%2Fmoim-zdaniem%2F81-multimetr-uni-t-ut61e flodins.info: Multimeter UNI-T UT61E]
* [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]

[[Category:Device]]
[[Category:Multimeter]]
[[Category:Supported]]

UNI-T UT61E

2019-04-18T18:18:27Z

Jbeale: /* Usage */ add --samples option to make usage example actually a valid command

{{Infobox multimeter
| image = [[File:Old_ver_front.png|180px]]
| name = UNI-T UT61E
| status = supported
| source_code_dir =
| counts = 22000
| categories = CAT II (600V) / CAT III (300V)
| connectivity = [[Device_cables#UNI-T_UT-D02|RS232]] / [[Device_cables#UNI-T_UT-D04|USB]]
| measurements = voltage, current, resistance, capacitance, frequency, duty cycle, diode, continuity
| features = autorange, true-rms, data hold, min/max, relative, bargraph, backlight
| website = [http://www.uni-trend.com/UT61e.html uni-trend.com]
}}

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 ==

* [[Multimeter_ICs#Cyrustek_ES51922|Cyrustek ES51922]] multimeter chip (ES51922A actually, as per various photos: [http://i492.photobucket.com/albums/rr283/DarkShadower/IMAG0005.jpg 1], [http://www.eevblog.com/forum/product-reviews-photos-and-discussion/uni-t-ut61e-multimeter-teardown-photos/?action=dlattach;attach=19985;image;PHPSESSID=14790b9893bed7edb7d8c0505b195ed8 2], [http://img848.imageshack.us/img848/3784/dscf0150w.jpg 3], [http://we.easyelectronics.ru/uploads/images/00/05/21/2011/11/18/553300.jpg 4])

== Photos ==

'''Older version:'''

<gallery>
File:Old ver.JPG
File:Old ver front.JPG
File:Old ver back.JPG
File:Old ver batt.JPG
File:Old ver lcd.JPG
File:Old ver cables.JPG
File:Old_ver_pcb.JPG
File:Old ver es51922a.JPG
</gallery>

'''Newer version:'''

<gallery>
File:New ver.JPG
File:New ver front.JPG
File:New ver back.JPG
File:New ver backb.JPG
File:New ver batt.JPG
File:New ver frontCover.JPG
File:New ver Knob.JPG
File:New ver lcd.JPG
File:New ver pcb front.JPG
File:New ver pcb back.JPG
File:New ver es51922a.JPG
File:New ver ad737.JPG
</gallery>

== Protocol ==

See [[Multimeter_ICs#Cyrustek ES51922]] for the DMM IC protocol.

Depending on the cable, additional decoding is needed, though.

Different cables are available to communicate to the DMM: regular serial cables which provide a COM port, and USB HID based cables where applications are required to handle a proprietary protocol of running serial communication on top of HID requests. See the [[Device cables]] page for details, the same cables can be used with many different DMM models.

Depending on the specific cable in use, either a device driver ending in '''-ser''' or not ending in '''-ser''' must be used. See README.devices for details.

"HID feature report error: LIBUSB_ERROR_PIPE" results from using the USB HID driver with a USB-to-serial cable. In this case, try using --driver='''uni-t-ut61e-ser'''

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.[http://www.steffenvogel.de/2011/01/25/inner-workings-of-uni-trend-ut61e-digital-multimeter/]

== Usage ==
The following [[sigrok-cli]] command can be used to receive 5 measured values from a device connected via USB (note that the USB VID/PID after the '''<tt>conn</tt>''' option needs to be changed depending on the exact USB adapter cable used):
<source lang="bash">
$ sigrok-cli --driver=uni-t-ut61e:conn=1a86.e008 -O analog --samples 5
</source>

If your meter has a serial (RS-232) cable connected to a USB-to-serial adaptor, a different driver is used. Example for ttyUSB0:
<source lang="bash">
$ sigrok-cli --driver=uni-t-ut61e-ser:conn=/dev/ttyUSB0 -O analog --samples 5
</source>

With the '''<tt>--samples <n></tt>''' option it is posible to stop the acquisition after the specified number of measurements. More information can be found in the [http://sigrok.org/gitweb/?p=libsigrok.git;a=blob;f=README.devices README.devices] file of the [[libsigrok]] source tree.

== Resources ==

* [http://www.uni-trend.com/manual2/UT61English.pdf Manual]
* [http://www.uni-trend.com/Web%20site/DMM%20Software/UT61E_setup%20v2.00.exe Vendor software]
* [http://www-user.tu-chemnitz.de/~heha/hs_freeware/UNI-T/ Henrik Haftmann: DMM.exe etc.] (Windows software for various UNI-T DMMs, and lots of device/protocol info)
* [http://www-user.tu-chemnitz.de/~heha/bastelecke/Rund%20um%20den%20PC/hid-ser.en.htm Henrik Haftmann: Hoitek HE2325U info]
* [http://www-user.tu-chemnitz.de/~heha/hs_freeware/UNI-T/UT61E.LOG Henrik Haftmann: UT61E log and protocol docs]
* [http://diyftw.de/wiki/doku.php?id=projekte:ut61e diyftw.de: Uni-Trend UT61E (UT-D04 linux treiber)] (device info, Linux software using HIDAPI: [http://diyftw.de/wiki/lib/exe/fetch.php?media=projekte:ut61e-linux-sw-0.02.tar.gz ut61e-linux-sw-0.02.tar.gz])
* [http://www.steffenvogel.de/2009/11/29/uni-trend-ut61e-digital-multimeter/ Steffen Vogel: UNI-TREND UT61E Digital Multimeter] (device info, Linux software for serial port: [http://static.steffenvogel.de/wp-content/uploads/2009/11/dmmut61e-0.01.tar.gz dmmut61e-0.01.tar.gz])
* [https://bitbucket.org/kuzavas/dmm_es51922 Multimeter data parsing utility] complete implementation written in Python
* [http://www.steffenvogel.de/2011/01/25/inner-workings-of-uni-trend-ut61e-digital-multimeter/ Steffen Vogel: Inner workings of UNI-TREND UT61E Digital Multimeter] (teardown)
* [http://erste.de/UT61/index.html erste.de: UT61 - USB Multimeter unter Linux auslesen] (info on the Hoitek HE2325U (clone?) and how suspend/resume fixes some issues with it)
* [http://translate.google.de/translate?sl=auto&tl=en&js=n&prev=_t&hl=de&ie=UTF-8&layout=2&eotf=1&u=http%3A%2F%2Fwe.easyelectronics.ru%2FACE%2Fdorabotka-napilnikom-multimetra-ut61e.html&act=url easyelectronics.ru: Refinement of a file multimeter UT61E]
* [http://translate.google.de/translate?sl=pl&tl=en&u=http%3A%2F%2Fflodins.info%2Fmoim-zdaniem%2F81-multimetr-uni-t-ut61e flodins.info: Multimeter UNI-T UT61E]
* [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]

[[Category:Device]]
[[Category:Multimeter]]
[[Category:Supported]]

UNI-T UT61E

2019-04-18T16:35:32Z

Jbeale: /* Protocol */ Add exact error message when using HID driver with USB-Serial device

{{Infobox multimeter
| image = [[File:Old_ver_front.png|180px]]
| name = UNI-T UT61E
| status = supported
| source_code_dir =
| counts = 22000
| categories = CAT II (600V) / CAT III (300V)
| connectivity = [[Device_cables#UNI-T_UT-D02|RS232]] / [[Device_cables#UNI-T_UT-D04|USB]]
| measurements = voltage, current, resistance, capacitance, frequency, duty cycle, diode, continuity
| features = autorange, true-rms, data hold, min/max, relative, bargraph, backlight
| website = [http://www.uni-trend.com/UT61e.html uni-trend.com]
}}

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 ==

* [[Multimeter_ICs#Cyrustek_ES51922|Cyrustek ES51922]] multimeter chip (ES51922A actually, as per various photos: [http://i492.photobucket.com/albums/rr283/DarkShadower/IMAG0005.jpg 1], [http://www.eevblog.com/forum/product-reviews-photos-and-discussion/uni-t-ut61e-multimeter-teardown-photos/?action=dlattach;attach=19985;image;PHPSESSID=14790b9893bed7edb7d8c0505b195ed8 2], [http://img848.imageshack.us/img848/3784/dscf0150w.jpg 3], [http://we.easyelectronics.ru/uploads/images/00/05/21/2011/11/18/553300.jpg 4])

== Photos ==

'''Older version:'''

<gallery>
File:Old ver.JPG
File:Old ver front.JPG
File:Old ver back.JPG
File:Old ver batt.JPG
File:Old ver lcd.JPG
File:Old ver cables.JPG
File:Old_ver_pcb.JPG
File:Old ver es51922a.JPG
</gallery>

'''Newer version:'''

<gallery>
File:New ver.JPG
File:New ver front.JPG
File:New ver back.JPG
File:New ver backb.JPG
File:New ver batt.JPG
File:New ver frontCover.JPG
File:New ver Knob.JPG
File:New ver lcd.JPG
File:New ver pcb front.JPG
File:New ver pcb back.JPG
File:New ver es51922a.JPG
File:New ver ad737.JPG
</gallery>

== Protocol ==

See [[Multimeter_ICs#Cyrustek ES51922]] for the DMM IC protocol.

Depending on the cable, additional decoding is needed, though.

Different cables are available to communicate to the DMM: regular serial cables which provide a COM port, and USB HID based cables where applications are required to handle a proprietary protocol of running serial communication on top of HID requests. See the [[Device cables]] page for details, the same cables can be used with many different DMM models.

Depending on the specific cable in use, either a device driver ending in '''-ser''' or not ending in '''-ser''' must be used. See README.devices for details.

"HID feature report error: LIBUSB_ERROR_PIPE" results from using the USB HID driver with a USB-to-serial cable. In this case, try using --driver='''uni-t-ut61e-ser'''

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.[http://www.steffenvogel.de/2011/01/25/inner-workings-of-uni-trend-ut61e-digital-multimeter/]

== Usage ==
The following [[sigrok-cli]] command can be used to receive measured values from a device connected via USB (note that the USB VID/PID after the '''<tt>conn</tt>''' option needs to be changed depending on the exact USB adapter cable used):
<source lang="bash">
$ sigrok-cli --driver=uni-t-ut61e:conn=1a86.e008 -O analog
</source>

If your meter has a serial (RS-232) cable connected to a USB-to-serial adaptor, a different driver is used. Example for ttyUSB0:
<source lang="bash">
$ sigrok-cli --driver=uni-t-ut61e-ser:conn=/dev/ttyUSB0 -O analog
</source>

With the '''<tt>--samples <n></tt>''' option it is posible to stop the acquisition after the specified number of measurements. More information can be found in the [http://sigrok.org/gitweb/?p=libsigrok.git;a=blob;f=README.devices README.devices] file of the [[libsigrok]] source tree.

== Resources ==

* [http://www.uni-trend.com/manual2/UT61English.pdf Manual]
* [http://www.uni-trend.com/Web%20site/DMM%20Software/UT61E_setup%20v2.00.exe Vendor software]
* [http://www-user.tu-chemnitz.de/~heha/hs_freeware/UNI-T/ Henrik Haftmann: DMM.exe etc.] (Windows software for various UNI-T DMMs, and lots of device/protocol info)
* [http://www-user.tu-chemnitz.de/~heha/bastelecke/Rund%20um%20den%20PC/hid-ser.en.htm Henrik Haftmann: Hoitek HE2325U info]
* [http://www-user.tu-chemnitz.de/~heha/hs_freeware/UNI-T/UT61E.LOG Henrik Haftmann: UT61E log and protocol docs]
* [http://diyftw.de/wiki/doku.php?id=projekte:ut61e diyftw.de: Uni-Trend UT61E (UT-D04 linux treiber)] (device info, Linux software using HIDAPI: [http://diyftw.de/wiki/lib/exe/fetch.php?media=projekte:ut61e-linux-sw-0.02.tar.gz ut61e-linux-sw-0.02.tar.gz])
* [http://www.steffenvogel.de/2009/11/29/uni-trend-ut61e-digital-multimeter/ Steffen Vogel: UNI-TREND UT61E Digital Multimeter] (device info, Linux software for serial port: [http://static.steffenvogel.de/wp-content/uploads/2009/11/dmmut61e-0.01.tar.gz dmmut61e-0.01.tar.gz])
* [https://bitbucket.org/kuzavas/dmm_es51922 Multimeter data parsing utility] complete implementation written in Python
* [http://www.steffenvogel.de/2011/01/25/inner-workings-of-uni-trend-ut61e-digital-multimeter/ Steffen Vogel: Inner workings of UNI-TREND UT61E Digital Multimeter] (teardown)
* [http://erste.de/UT61/index.html erste.de: UT61 - USB Multimeter unter Linux auslesen] (info on the Hoitek HE2325U (clone?) and how suspend/resume fixes some issues with it)
* [http://translate.google.de/translate?sl=auto&tl=en&js=n&prev=_t&hl=de&ie=UTF-8&layout=2&eotf=1&u=http%3A%2F%2Fwe.easyelectronics.ru%2FACE%2Fdorabotka-napilnikom-multimetra-ut61e.html&act=url easyelectronics.ru: Refinement of a file multimeter UT61E]
* [http://translate.google.de/translate?sl=pl&tl=en&u=http%3A%2F%2Fflodins.info%2Fmoim-zdaniem%2F81-multimetr-uni-t-ut61e flodins.info: Multimeter UNI-T UT61E]
* [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]

[[Category:Device]]
[[Category:Multimeter]]
[[Category:Supported]]

UNI-T UT61E

2019-04-18T16:22:26Z

Jbeale: /* Usage */ Add example for Serial cable + USB-to-Serial adaptor

{{Infobox multimeter
| image = [[File:Old_ver_front.png|180px]]
| name = UNI-T UT61E
| status = supported
| source_code_dir =
| counts = 22000
| categories = CAT II (600V) / CAT III (300V)
| connectivity = [[Device_cables#UNI-T_UT-D02|RS232]] / [[Device_cables#UNI-T_UT-D04|USB]]
| measurements = voltage, current, resistance, capacitance, frequency, duty cycle, diode, continuity
| features = autorange, true-rms, data hold, min/max, relative, bargraph, backlight
| website = [http://www.uni-trend.com/UT61e.html uni-trend.com]
}}

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 ==

* [[Multimeter_ICs#Cyrustek_ES51922|Cyrustek ES51922]] multimeter chip (ES51922A actually, as per various photos: [http://i492.photobucket.com/albums/rr283/DarkShadower/IMAG0005.jpg 1], [http://www.eevblog.com/forum/product-reviews-photos-and-discussion/uni-t-ut61e-multimeter-teardown-photos/?action=dlattach;attach=19985;image;PHPSESSID=14790b9893bed7edb7d8c0505b195ed8 2], [http://img848.imageshack.us/img848/3784/dscf0150w.jpg 3], [http://we.easyelectronics.ru/uploads/images/00/05/21/2011/11/18/553300.jpg 4])

== Photos ==

'''Older version:'''

<gallery>
File:Old ver.JPG
File:Old ver front.JPG
File:Old ver back.JPG
File:Old ver batt.JPG
File:Old ver lcd.JPG
File:Old ver cables.JPG
File:Old_ver_pcb.JPG
File:Old ver es51922a.JPG
</gallery>

'''Newer version:'''

<gallery>
File:New ver.JPG
File:New ver front.JPG
File:New ver back.JPG
File:New ver backb.JPG
File:New ver batt.JPG
File:New ver frontCover.JPG
File:New ver Knob.JPG
File:New ver lcd.JPG
File:New ver pcb front.JPG
File:New ver pcb back.JPG
File:New ver es51922a.JPG
File:New ver ad737.JPG
</gallery>

== Protocol ==

See [[Multimeter_ICs#Cyrustek ES51922]] for the DMM IC protocol.

Depending on the cable, additional decoding is needed, though.

Different cables are available to communicate to the DMM: regular serial cables which provide a COM port, and USB HID based cables where applications are required to handle a proprietary protocol of running serial communication on top of HID requests. See the [[Device cables]] page for details, the same cables can be used with many different DMM models.

Depending on the specific cable in use, either a device driver ending in '''-ser''' or not ending in '''-ser''' must be used. See README.devices for details.

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.[http://www.steffenvogel.de/2011/01/25/inner-workings-of-uni-trend-ut61e-digital-multimeter/]

== Usage ==
The following [[sigrok-cli]] command can be used to receive measured values from a device connected via USB (note that the USB VID/PID after the '''<tt>conn</tt>''' option needs to be changed depending on the exact USB adapter cable used):
<source lang="bash">
$ sigrok-cli --driver=uni-t-ut61e:conn=1a86.e008 -O analog
</source>

If your meter has a serial (RS-232) cable connected to a USB-to-serial adaptor, a different driver is used. Example for ttyUSB0:
<source lang="bash">
$ sigrok-cli --driver=uni-t-ut61e-ser:conn=/dev/ttyUSB0 -O analog
</source>

With the '''<tt>--samples <n></tt>''' option it is posible to stop the acquisition after the specified number of measurements. More information can be found in the [http://sigrok.org/gitweb/?p=libsigrok.git;a=blob;f=README.devices README.devices] file of the [[libsigrok]] source tree.

== Resources ==

* [http://www.uni-trend.com/manual2/UT61English.pdf Manual]
* [http://www.uni-trend.com/Web%20site/DMM%20Software/UT61E_setup%20v2.00.exe Vendor software]
* [http://www-user.tu-chemnitz.de/~heha/hs_freeware/UNI-T/ Henrik Haftmann: DMM.exe etc.] (Windows software for various UNI-T DMMs, and lots of device/protocol info)
* [http://www-user.tu-chemnitz.de/~heha/bastelecke/Rund%20um%20den%20PC/hid-ser.en.htm Henrik Haftmann: Hoitek HE2325U info]
* [http://www-user.tu-chemnitz.de/~heha/hs_freeware/UNI-T/UT61E.LOG Henrik Haftmann: UT61E log and protocol docs]
* [http://diyftw.de/wiki/doku.php?id=projekte:ut61e diyftw.de: Uni-Trend UT61E (UT-D04 linux treiber)] (device info, Linux software using HIDAPI: [http://diyftw.de/wiki/lib/exe/fetch.php?media=projekte:ut61e-linux-sw-0.02.tar.gz ut61e-linux-sw-0.02.tar.gz])
* [http://www.steffenvogel.de/2009/11/29/uni-trend-ut61e-digital-multimeter/ Steffen Vogel: UNI-TREND UT61E Digital Multimeter] (device info, Linux software for serial port: [http://static.steffenvogel.de/wp-content/uploads/2009/11/dmmut61e-0.01.tar.gz dmmut61e-0.01.tar.gz])
* [https://bitbucket.org/kuzavas/dmm_es51922 Multimeter data parsing utility] complete implementation written in Python
* [http://www.steffenvogel.de/2011/01/25/inner-workings-of-uni-trend-ut61e-digital-multimeter/ Steffen Vogel: Inner workings of UNI-TREND UT61E Digital Multimeter] (teardown)
* [http://erste.de/UT61/index.html erste.de: UT61 - USB Multimeter unter Linux auslesen] (info on the Hoitek HE2325U (clone?) and how suspend/resume fixes some issues with it)
* [http://translate.google.de/translate?sl=auto&tl=en&js=n&prev=_t&hl=de&ie=UTF-8&layout=2&eotf=1&u=http%3A%2F%2Fwe.easyelectronics.ru%2FACE%2Fdorabotka-napilnikom-multimetra-ut61e.html&act=url easyelectronics.ru: Refinement of a file multimeter UT61E]
* [http://translate.google.de/translate?sl=pl&tl=en&u=http%3A%2F%2Fflodins.info%2Fmoim-zdaniem%2F81-multimetr-uni-t-ut61e flodins.info: Multimeter UNI-T UT61E]
* [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]

[[Category:Device]]
[[Category:Multimeter]]
[[Category:Supported]]