Product Short Description

Technical Specifications:

  • Sensor Type: Piezoelectric accelerometer-based seismic transmitter.
  • Frequency Range:
    • Seismic mode: 0.1 Hz to 100 Hz.
    • High-frequency mode: 1 Hz to 1 kHz (selectable via configuration).
  • Sensitivity:
    • Seismic mode: 100 mV/g (nominal).
    • High-frequency mode: 50 mV/g (nominal).
  • Measurement Range: ±5g peak (seismic mode), ±10g peak (high-frequency mode).
  • Output Signal: 4-20 mA current loop (two-wire configuration).
  • Supply Voltage: 18-30V DC (two-wire loop-powered).
  • Operating Temperature: -40°C to +85°C.
  • Storage Temperature: -55°C to +105°C.
  • Shock Survival: 500g peak (half-sine pulse, 11 ms duration).
  • Vibration Survival: 10g RMS, 20-2000 Hz.
  • Environmental Protection: IP67 rated (dust-tight and waterproof).
  • Mounting: Flange or stud mounting options for secure installation.
  • Connector Type: M12 threaded connector for field wiring.
  • Weight: Approximately 200 grams (excluding mounting hardware).

Description

Functional Features:

  • Dual-Mode Operation: Selectable between seismic (low-frequency) and high-frequency measurement modes.
  • High Sensitivity: Precise detection of subtle ground motions or machinery vibrations.
  • Wide Temperature Tolerance: Operates reliably in extreme environmental conditions.
  • Rugged Construction: Built to withstand shock, vibration, and harsh industrial environments.
  • Loop-Powered Design: Simplifies wiring by using the same two wires for power and signal transmission.
  • 4-20 mA Output: Compatible with most industrial monitoring and control systems.
  • Easy Configuration: Software-selectable modes and calibration via external interface.
  • IP67 Protection: Ensures dust and water ingress protection for outdoor or washdown applications.
  • Low Noise Floor: Minimizes electrical interference for accurate measurements.

Application Scenarios:

  • Seismic Monitoring: Detecting and analyzing ground vibrations from earthquakes, blasting, or heavy machinery operation.
  • Structural Health Monitoring: Assessing vibrations in buildings, bridges, dams, and offshore platforms.
  • Machinery Protection: Monitoring vibrations in large rotating equipment such as turbines, generators, and compressors.
  • Mining Operations: Tracking blast-induced vibrations and equipment-induced ground motion.
  • Oil & Gas: Monitoring vibrations in drilling rigs, pipelines, and offshore installations.
  • Transportation Infrastructure: Evaluating vibrations in railway tracks, subway tunnels, and roadways.
  • Power Generation: Seismic monitoring in nuclear, thermal, and hydroelectric power plants.
  • Geotechnical Engineering: Studying soil and rock behavior under dynamic loads.

Industry Compliance:

  • Meets IEEE standards for vibration and seismic instrumentation.
  • Certified for use in hazardous environments (ATEX, IECEx, etc., where applicable).
  • Complies with EMC directives for electromagnetic compatibility.
  • Conforms to ISO and API standards for industrial vibration monitoring.

Integration with Monitoring Systems:

  • Compatible with Bently Nevada 3500 and System 1® monitoring platforms.
  • Provides input for PLCs, DCS, and SCADA systems via 4-20 mA signal.
  • Supports real-time data acquisition for predictive maintenance and condition-based monitoring.
  • Enables alarm triggering when vibration levels exceed predefined thresholds.

Package Contents:

  • Seismic transmitter module (1 unit).
  • M12 connector with field wiring terminals.
  • Mounting hardware (flange or stud).
  • Installation and calibration manual.
  • Calibration certificate (traceable to national standards).

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