Osna Electronics Pvt. Ltd. Offers Galvanic Isolators with Input 4-20mA & Output 0-10V. Osna Electronics Pvt. Ltd. Is an ISO 9001:2000 certified company. Galvanic Isolators with Input 4-20mA & Output 0-10V is used for isolation and conversion of current signal from hazardous area to proportional voltage signal in non-hazardous area