(Amplifier) signal for system cDAQ conditioner!

The system I want to build will be used to monitor the excitation of a motor/generator system. I have a couple of signal which are bellows 100 mV, for the example current measured with a shunt resistance to 40 / 60 mV.The problem is that I have what it takes to amplify the signal for more precision. Can someone provide me with a packaging option (low cost) material. I have at my disposal two NI 9201 and a NI 9205 card.

Thank you have a nice day!

Hello Padeanu,

Please post on the Forums of Discussion! The 9205 already has a PGIA (Programmable Gain Instrument Amplifier) that amplifies the signal of your then you lose accuracy. According to the specs, you will get 174 uV of precision using the voltage range 200 mV and a width of 6.57 uV code / LSB. Your current configuration is too vague for you? Excitement for your engine system will be always lower than 100 mV, even when the motor is started?

Tags: NI Hardware

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