Difference between revisions of "Victor 70C"

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[[File:Victor 70C.jpg|thumb|right|Victor 70C]]
{{Infobox multimeter
[[File:Victor 70C PCB top.jpg|thumb|right|Victor 70C PCB]]
| image          = [[File:Victor_70C.png|180px]]
[[File:Victor 70C PCB bottom.jpg|thumb|right|Victor 70C PCB, bottom]]
| name            = Victor 70C
[[File:Victor 70C LCD controller.jpg|thumb|right|LCD controller]]
| status          = supported
[[File:Victor 70C HEF4066BT.jpg|thumb|right|HEF4066BT]]
| source_code_dir = serial-dmm
[[File:Victor 70C TC7660E.jpg|thumb|right|TC7660E]]
| counts          = 6000
[[File:Victor 70C 27L2C.jpg|thumb|right|27L2C]]
| categories      = CAT II
| connectivity    = USB (standard cable)
| measurements    = voltage, current, resistance, continuity, diode, capacitance, frequency, temperature
| features        = max/min, data hold, relative, backlight
| website        = [http://www.china-victor.com/english/en/product_data.aspx?ClassID=168&ID=121 china-victor.com]
}}


The [http://www.china-victor.com/english/en/product_data.aspx?ClassID=168&ID=121 Victor 70C] is an inexpensive CAT II multimeter.
The '''Victor 70C''' is a 6000 counts, CAT II handheld digital multimeter with USB connectivity.


It features a USB port which can be used to transfer measurements to a host PC. See [[Victor 70C/Info]] for more information about the USB connection.
It is also sold as the [http://github.com/mvneves/victor70c#victor70c-software-for-linux EZA EZ-735].


== Components ==
See [[Victor 70C/Info]] for more details (such as '''lsusb -v''' output) about the device.


* [http://datasheet.octopart.com/HEF4066BT-Philips-datasheet-87533.pdf HEF4066BT] quadruple bilateral switches
== Hardware ==
* [http://datasheet.octopart.com/TC7660EOA-Microchip-datasheet-1009.pdf TC7660E] charge pump DC-to-DC voltage converter


* 27L2C
* [http://www.ic-fortune.com/upload/Download/FS9922-DMM4-DS-11_EN.pdf Fortune Semiconductor FS9922-DMM4] multimeter chip
* Unknown LCD controller: "1121GEF FS9222-DMM4 MT7PA.02.A"
* [http://datasheet.octopart.com/HEF4066BT-Philips-datasheet-87533.pdf NXP HEF4066BT] quadruple bilateral switches
* [http://datasheet.octopart.com/TC7660EOA-Microchip-datasheet-1009.pdf Microchip TC7660E] charge pump DC-to-DC voltage converter
* [http://datasheet.octopart.com/TLC27L2CP-Texas-Instruments-datasheet-151061.pdf Texas Instruments 27L2C] precision dual op-amp
* Unknown USB interface chip (HID)
 
Note: the USB/HID chip is ''in the multimeter'' (not in the USB cable/connector) for this device. The device is connected to the PC using a standard USB cable (without any internal logic/chip).
 
== Photos ==
 
<gallery>
File:Victor 70C.jpg|<small>Device, front</small>
File:Victor 70C PCB top.jpg|<small>PCB, front</small>
File:Victor 70C PCB bottom.jpg|<small>PCB, bottom</small>
File:Victor 70C LCD controller.jpg|<small>DMM/LCD chip</small>
File:Victor 70C HEF4066BT.jpg|<small>NXP HEF4066BT</small>
File:Victor 70C TC7660E.jpg|<small>Microchip TC7660E</small>
File:Victor 70C 27L2C.jpg|<small>TI 27L2C</small>
File:Victor 70C LCD.jpg|<small>LCD</small>
</gallery>


== Protocol ==
== Protocol ==


14 bytes polled, likely based on the LCD segments.
See [[Victor protocol]].
 
== Resources ==
 
* [https://web.archive.org/web/20160527152655/http://homepage.ntlworld.com/green_bean/coffee/roastlogger/dmmdetails.html RoastLogger: Input Devices] (Victor Victor 86B/86C support)
* [http://www.daveansell.co.uk/?q=node/44 Dave Ansell Science Communication: Victor 86C multimeter USB encoding for linux] (PHP)
* [https://web.archive.org/web/20170104171210/https://code.google.com/archive/p/victor86b-usb-interface/ victor86b-usb-interface: USB interface for Victor 86B Digital Multimeter using HIDAPI] (see also [http://www.codeproject.com/Articles/310547/USB-Digital-Multimeter-Driver-using-HIDAPI here])
* [https://github.com/mvneves/victor70c Github: victor70c] (HIDAPI)
* [http://translate.google.com/translate?hl=de&sl=zh-CN&tl=en&u=http%3A%2F%2Fmytes.blog.163.com%2Fblog%2Fstatic%2F24568310201163010029970%2F Random review / photos]
 
[[Category:Device]]
[[Category:Multimeter]]
[[Category:Supported]]

Latest revision as of 19:29, 15 June 2019

Victor 70C
Victor 70C.png
Status supported
Source code serial-dmm
Counts 6000
IEC 61010-1 CAT II
Connectivity USB (standard cable)
Measurements voltage, current, resistance, continuity, diode, capacitance, frequency, temperature
Features max/min, data hold, relative, backlight
Website china-victor.com

The Victor 70C is a 6000 counts, CAT II handheld digital multimeter with USB connectivity.

It is also sold as the EZA EZ-735.

See Victor 70C/Info for more details (such as lsusb -v output) about the device.

Hardware

Note: the USB/HID chip is in the multimeter (not in the USB cable/connector) for this device. The device is connected to the PC using a standard USB cable (without any internal logic/chip).

Photos

  • Device, front

  • PCB, front

  • PCB, bottom

  • DMM/LCD chip

  • NXP HEF4066BT

  • Microchip TC7660E

  • TI 27L2C

  • LCD

Protocol

See Victor protocol.

Resources

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