Galvanicke oddeleni mereni I a U

[Jan Waclawek]

>Dobry den,
>pro galvanicky oddelene mereni I existuje IO, napr: "ACS712",
>ale nemuzu najit nejaky obdobny IO pro mereni napeti.
>
>Potrebuji merit (dc) napeti (+-30V) i (dc) proud (+-30A) a z duvodu 
>univerzalnosti bych to chtel mit galvanicky oddelene, aby nebylo treba 
>resit problem zemi a pod...
>

Z guglu na "isolated voltage sensor" mi vypadlo napr.
http://www.analog.com/en/products/interface-isolation/ios-subsystems/7b30.html#product-overview
alebo
http://www.avagotech.com/pages/en/optocouplers_plastic/plastic_miniature_isolation_amplifier/acpl-c870/


wek