4791A

Dytran Model 4791A is a true RMS Vibration Monitoring Meter designed to power and receive inputs from IEPE-type Accelerometers with adjustable level detector circuitry that energize a set of relay contacts for control of equipment when alarm levels are exceeded.
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Built to work seamlessly with IEPE accelerometers, it converts AC acceleration signals into DC RMS levels, providing accurate and actionable data for predictive maintenance.

 

Key Features:

  • True RMS Measurement: Converts AC acceleration to DC RMS for reliable vibration level monitoring.
  • Wide Compatibility: Operates with IEPE accelerometers; compliance voltage >19 VDC.
  • User-Selectable Filters & Gain: High-pass (1–20 Hz) and low-pass (1–10 kHz) Butterworth filters; gain options of x1, x5, x10.
  • Alarm Functionality: Adjustable acceleration-level alarm (1.0–199.9 G RMS) with relay output for automated alerts.
  • Dual Outputs: AC output ±5 Vpeak and DC output 0–10 VDC for flexible integration.
  • Robust Design: Anodized aluminum housing with mounting ears for easy installation.
  • Environmental Resilience: Operates from 0–70 °C, withstands vibration up to 5 G RMS and shock up to 100 G peak.
  • Power Requirements: 110/220 VAC input, max current 0.7 A.

Ideal for industrial machinery, aerospace systems, and critical rotating equipment, the Dytran 4791A ensures accurate vibration monitoring and early fault detection to minimize downtime and protect assets.

4791A Data Sheet Technical drawing English