FNIRSI 2C53T Basics + Hidden Feature | Output Transformer Test

Learn the basics of the FNIRSI 2C53T oscilloscope and see how I use it to test an output transformer for turns ratio and reflected primary impedance. In this video, I cover the basic controls, built-in signal generator, dual-channel measurements, and the hidden measurement display found by holding the PRM button for about two seconds. Then I connect the meter to an output transformer, compare the primary and secondary voltages, calculate the turns ratio, and determine the transformer’s impedance. I’ll be using these FNIRSI meters in upcoming electronics and tube-amplifier projects, sharing what I learn about them along the way. FNIRSI test equipment used and featured: FNIRSI 2C53T: https://amzn.to/4wdmi48 FNIRSI DPOS350P: https://amzn.to/4pr61pE FNIRSI LC1020E: https://amzn.to/4fulXDd FNIRSI LCR-P1: https://amzn.to/3RNVWXz As an Amazon Associate, I earn from qualifying purchases. These links may provide a small commission to support OhmWorks Lab at no additional cost to you. Subscribe for more practical transformer testing, tube-amplifier projects, vintage electronics repairs, and test-equipment tutorials. #FNIRSI #2C53T #OutputTransformer #TransformerTesting #Oscilloscope #TubeAmp #Electronics #OhmWorksLab 00:00 Intro FNIRSI 2C53T 00:40 Turns Ratio and Impedance Formulas 00:47 Sheila the Wonder Mutt Cameo 01:00 Basic Functions 02:03 Signal Generator 02:32 Battery Save Tip 02:54 2C53T Settings Menu 03:17 Oscilloscope 03:59 Output Transformer Test 04:37 Hidden Frequency Measurement Display 05:02 Final Thoughts 05:23 Different FNIRSI Meters to Own