Difference between revisions of "Voltcraft VC-920"
Jump to navigation
Jump to search
Uwe Hermann (talk | contribs) |
Uwe Hermann (talk | contribs) |
||
| Line 2: | Line 2: | ||
| image = [[File:Voltcraft vc920.png|180px]] | | image = [[File:Voltcraft vc920.png|180px]] | ||
| name = Voltcraft VC-920 | | name = Voltcraft VC-920 | ||
| 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/UT71A.html UNI-T UT71A]. | This is a rebadged [http://uni-trend.com/UT71A.html UNI-T UT71A]. | ||
See [[UNI-T UT71x series]] for information common to all devices in this series. | |||
== Hardware == | == Hardware == | ||
'''Multimeter''': | '''Multimeter''': | ||
* Cyrustek ES51966P | |||
* '''44000/440000-count dual-slope ADC''': [http://www.cyrustek.com.tw/product-1-44000.htm#ES51966 Cyrustek ES51966P] ([http://www.cyrustek.com.tw/spec/ES51966A.pdf datasheet]) | |||
* '''16-bit microcontroller''': [http://www.ti.com/product/msp430f149 Texas Instruments MSP430F149] (markings "TI 87E817T G4 LSD0007 REV N") ([http://www.ti.com/lit/gpn/msp430f149 datasheet]) | |||
* '''128 (32 x 4) pattern multi-function LCD driver'''': [http://www.holtek.com.tw/english/docum/consumer/1621.htm Holtek HT1621B] ([http://www.holtek.com.tw/pdf/consumer/ht1621v310.pdf datasheet]) | |||
'''RS232 cable:''' | '''RS232 cable:''' | ||
| Line 46: | Line 51: | ||
== Protocol == | == Protocol == | ||
See [[ | See [[UNI-T UT71x series#Protocol]]. | ||
== Resources == | == Resources == | ||
| Line 57: | Line 60: | ||
[[Category:Device]] | [[Category:Device]] | ||
[[Category:Multimeter]] | [[Category:Multimeter]] | ||
[[Category: | [[Category:Supported]] | ||
Revision as of 17:00, 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 |
| Website | conrad.de |
The Voltcraft VC-920 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 UT71A.
See UNI-T UT71x series for information common to all devices in this series.
Hardware
Multimeter:
- 44000/440000-count dual-slope ADC: Cyrustek ES51966P (datasheet)
- 16-bit microcontroller: Texas Instruments MSP430F149 (markings "TI 87E817T G4 LSD0007 REV N") (datasheet)
- 128 (32 x 4) pattern multi-function LCD driver': Holtek HT1621B (datasheet)
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.