Difference between revisions of "V&A VA18B"
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The [http://www.mastech.com.cn/html/en/products-va18b.htm Mastech VA18B] | The [http://www.mastech.com.cn/html/en/products-va18b.htm Mastech VA18B] a.k.a. '''V&A VA18B''' (V&A is a [http://www.mastech.com.cn/html/en/about-us.htm brand of Mastech]) is a CAT II (1000V) handheld digital multimeter with USB connectivity. | ||
See [[Mastech VA18B/Info]] for more details (such as lsusb -vvv output) about the device. | See [[Mastech VA18B/Info]] for more details (such as lsusb -vvv output) about the device. | ||
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== Protocol == | == Protocol == | ||
14-byte LCD segments over USB-2-serial (Prolific PL2303 chip, 2400 baud, 8n1), see various links below. | |||
To enable output to the PC on the multimeter you have to keep the "Hz/DUTY" key pressed while powering on the device. | |||
== Resources == | == Resources == | ||
* Protocol descriptions: [http://www.dh2faa.de/va18b.html], [http://www.gomatlab.de/datenuebertragung-va-18b-multimeter-t873.html], [http://multimeter.schewe.com/] | |||
Revision as of 00:21, 19 June 2012
The Mastech VA18B a.k.a. V&A VA18B (V&A is a brand of Mastech) is a CAT II (1000V) handheld digital multimeter with USB connectivity.
See Mastech VA18B/Info for more details (such as lsusb -vvv output) about the device.
Hardware
TODO.
Photos
TODO.
Protocol
14-byte LCD segments over USB-2-serial (Prolific PL2303 chip, 2400 baud, 8n1), see various links below.
To enable output to the PC on the multimeter you have to keep the "Hz/DUTY" key pressed while powering on the device.