J
Joel Moore
- Jan 1, 1970
- 0
I've been shopping around lately for remote (USB/serial/ethernet) A/D input
modules and so far the highest input resistance I've found is 100M Ohms
(Measurement Computing's USB-1608FS). The next closest contender is around
20M Ohms
Out of curiosity I checked out one of their PCI analog input cards (PCI-
DAS6013) and was surprised to see its input resistance is rated at 100G
Ohms! That's 3 orders of magnitude larger.
How do they achieve such a number? And why aren't there any remote modules
that offer numbers even close to that?
Thanks for any insight.
Joel Moore
modules and so far the highest input resistance I've found is 100M Ohms
(Measurement Computing's USB-1608FS). The next closest contender is around
20M Ohms
Out of curiosity I checked out one of their PCI analog input cards (PCI-
DAS6013) and was surprised to see its input resistance is rated at 100G
Ohms! That's 3 orders of magnitude larger.
How do they achieve such a number? And why aren't there any remote modules
that offer numbers even close to that?
Thanks for any insight.
Joel Moore