Op Amp As Instrumentation Amplifier Trainer is an SSI India product in the OPERATIONAL AMPLIFIER TRAINER category. Key specifications include SKU: POA-E1276. TECHNICAL SPECIFICATIONS: Power Supplies. Dual DC Power Supply IC Regulated +15V DC, 150mA. DC Power Supply IC Regulated 0-5V DC, 150mA. Operated on Mains power 230V, 50Hz +10%