YOKOGAWA Frequency Meter 254350DJDJ9 RTG 240 V

Description:

The Yokogawa 254350DJDJ9 Analog Frequency Panel Meter is used in electrical systems for monitoring AC frequency (Hz) in power circuits. Commonly installed in generator panels, switchgear, motor control systems, and power distribution equipment.  Maintenance teams and system integrators use this part for replacement of failed frequency meters, panel retrofits, or maintaining accurate system frequency monitoring in legacy systems.

Applications:

The Yokogawa 254350DJDJ9 is commonly used in industrial power systems and generator setups where maintaining proper frequency (typically 50/60 Hz) is critical for equipment performance. It is frequently applied in manufacturing plants, utilities, and backup power systems to provide operators with real-time visual indication of frequency stability and electrical system health. Frequency panel meters in this class are widely used for generator monitoring and load balancing applications.

Technical Specifications:

• Manufacturer: Yokogawa
• Model / Part Number: 254350DJDJ9
• Product Type: Analog Panel Meter (Frequency Meter)
• Series: 254 Series
• Measurement Type: AC Frequency (Hertz)
• Input Voltage: 240 VAC
• Frequency Range: Typically 45–65 Hz scale
• Display Type: Analog needle indicator
• Mounting Type: Panel-mounted
• Meter Size: Approx. 3.5 inch class
• Accuracy: Approx. ±2–3% of full scale (iron-vane / rectifier type)
• Construction: Industrial-grade, dust-resistant housing
• Application: Frequency monitoring in generators and power systems
• Status: Legacy / surplus industrial component

Common Replacements:

• Yokogawa 254-350-DJDJ
• Yokogawa 255-350-DJDJ
• Yokogawa 250 Series Frequency Meter