Yokogawa NFAF135-S50 is a frequency input module, meaning it’s a device used in industrial automation systems to measure the frequency of electrical signals.

Here’s some key information about the Yokogawa NFAF135-S50:

• Function: Measures frequency of electrical signals
• Frequency Range: 0.01 Hz to 1000 kHz
• Accuracy: ±0.01% of reading
• Input Range: 0.01 V to 10 V