Difference between revisions of "Voltcraft VC-940"
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| image = [[File:Voltcraft vc940.png|180px]] | | image = [[File:Voltcraft vc940.png|180px]] | ||
| name = Voltcraft VC-940 | | name = Voltcraft VC-940 | ||
| status = | | status = supported | ||
| source_code_dir = | | source_code_dir = serial-dmm | ||
| counts = 40000/4000 | | counts = 40000/4000 | ||
| categories = CAT III (1000V) / CAT IV (600V) | | categories = CAT III (1000V) / CAT IV (600V) | ||
| Line 15: | Line 15: | ||
This is a rebadged [http://uni-trend.com/UT71E.html UNI-T UT71E]. | This is a rebadged [http://uni-trend.com/UT71E.html UNI-T UT71E]. | ||
See [[UNI-T UT71x series]] for information common to all devices in this series. | |||
== Hardware == | == Hardware == | ||
| Line 49: | Line 51: | ||
== Protocol == | == Protocol == | ||
See [[ | See [[UNI-T UT71x series#Protocol]]. | ||
== Resources == | == Resources == | ||
| Line 61: | Line 61: | ||
[[Category:Device]] | [[Category:Device]] | ||
[[Category:Multimeter]] | [[Category:Multimeter]] | ||
[[Category: | [[Category:Supported]] | ||
Revision as of 17:04, 25 October 2014
 | |
| Status | supported |
|---|---|
| Source code | serial-dmm |
| Counts | 40000/4000 |
| IEC 61010-1 | CAT III (1000V) / CAT IV (600V) |
| Connectivity | RS232 / USB |
| Measurements | voltage, resistance, diode, continuity, capacitance, frequency, duty cycle, current, temperature |
| Features | autorange, hold, relative, min/max, bargraph, backlight, true-rms |
| Website | conrad.de |
The Voltcraft VC-940 is a 40000/4000 counts, CAT III (1000V) / CAT IV (600V) handheld digital multimeter with RS232 or USB connectivity.
This is a rebadged UNI-T UT71E.
See UNI-T UT71x series for information common to all devices in this series.
Hardware
Multimeter:
- Cyrustek ES51966F multimeter chip
- Texas Instruments MSP430F149 16 bit microcontroller with 60K flash and 2K RAM on board
- Texas Instruments MSP430FE425 16 bit microcontroller for energy meters with 16K flash and 512B RAM on board
- HOLTEK HT1621B 128 (32 x 4) pattern multi-function LCD driver
RS232 cable:
USB cable:
Photos
Multimeter:
PCB, top
PCB, bottom
RS232 cable:
See Device cables#UNI-T_UT-D02.
USB cable:
See Device cables#UNI-T_UT-D04.
Protocol
See UNI-T UT71x series#Protocol.