please help I need a good data logging DMM! 1.5Kv Range!

[13Nike]

Hello everybody,

I am currently working on a research project and need to record the IV curve of a plasma discharge. Our current setup is pretty cool. We just have a web camera setup and using python+OpenCV we make meter reading inferences based off true/false statements based around what segments of a 7 segment display are on. The problem is that sometimes the program confuses 0 and 8, 5 and 6, etc. We added statistical corrections but even then the hysteresis/lag between when I control the PS to the plasma discharge to the DMM's is too high.

I need 2 meters (or 1 if possible) that can record and save the values I'm measuring either wirelessly, USB, etc. One to measure voltage that can reach up to 3kV (up to 1.5kV is manageable though) and one to measure current in the microamp range (as low as 10 uA).The current meters I have is a Fluke 116 for current measurement and a BK survivor 2860A which ironically busted a cap and died today. Anything around the spec level of those is okay. In terms of price I cant see my department paying over $1,000. Less than $500 is ideal. I'd prefer a vendor that gives educational institutions a discount.

I've been searching for a while and I like the fluke Connect brand especially the FC 3000 but they dont seem to have a line whose voltage range is above 1,000V

Any help is appreciated I looked at the excel sheet but didnt find a model with a voltage range

[Wytnucls]

Most multimeters are classed as low voltage (1000V) instruments. The Amprobe HD160C can measure up to 1500 VDC and 1000VAC, but it doesn't have a logging feature. That meter might be suitable, but the best option would be to use a high voltage probe (CAT I only!).
http://en-us.fluke.com/products/all-accessories/fluke-80k-40.html
http://www.amprobe.com/Amprobe/usen/Multimeters/Industrial-Multimeters-/AMP-HD160C.htm?PID=73247

[Someone]

Hello everybody,

I am currently working on a research project and need to record the IV curve of a plasma discharge. Our current setup is pretty cool. We just have a web camera setup and using python+OpenCV we make meter reading inferences based off true/false statements based around what segments of a 7 segment display are on. The problem is that sometimes the program confuses 0 and 8, 5 and 6, etc. We added statistical corrections but even then the hysteresis/lag between when I control the PS to the plasma discharge to the DMM's is too high.

I need 2 meters (or 1 if possible) that can record and save the values I'm measuring either wirelessly, USB, etc. One to measure voltage that can reach up to 3kV (up to 1.5kV is manageable though) and one to measure current in the microamp range (as low as 10 uA).The current meters I have is a Fluke 116 for current measurement and a BK survivor 2860A which ironically busted a cap and died today. Anything around the spec level of those is okay. In terms of price I cant see my department paying over $1,000. Less than $500 is ideal. I'd prefer a vendor that gives educational institutions a discount.

I've been searching for a while and I like the fluke Connect brand especially the FC 3000 but they dont seem to have a line whose voltage range is above 1,000V

Any help is appreciated I looked at the excel sheet but didnt find a model with a voltage range

You will need to do this with a HV probe of some sort, or build a suitable divider, but most HV supplies for lab use offer a proportional 0-10V output to make it easier to monitor. The current measurement is the hard part, are you measuring on the supply side and not referenced to ground? Doing that safely is way beyond your budget.

Its probably time to get your local electronics tech to build a probing system for you and attach that to a cheap USB interface like the NI USB-6001/6002.

[ebclr]

With this probe http://www.lutron.com.tw/ugC_ShowroomItem_Detail.asp?hidKindID=1&hidTypeID=4&hidCatID=&hidShowID=46&hidPrdType=&txtSrhData= and any datalogger multi-meter you can make some measurements at a reasonable price