Description

Brief Product Description

The Vibro-Meter IQS450 (204-450-000-001) is a high-precision signal conditioner designed to convert eddy current sensor data into accurate vibration and displacement measurements. It provides a robust interface for TQ-series non-contact sensors, specifically engineered for high-pressure industrial environments up to 100 bar.

High-Fidelity Proximity Measurement

The Vibro-Meter IQS450 204-450-000-001 functions as the essential electronic interface for non-contact proximity measurement systems. By utilizing advanced high-frequency modulation and demodulation, the module translates the impedance changes of an eddy current sensor—such as the TQ423—into a calibrated analog signal. This output represents the exact gap between the sensor tip and a metallic target. With a dynamic range spanning -1.6V to -17.6V, the conditioner captures both static displacement (DC) and dynamic vibration (AC). This dual-capability allows maintenance teams to monitor shaft position and mechanical oscillation simultaneously, providing a complete picture of machinery health.

Engineered for Extreme Environments

Reliability in hazardous and high-pressure zones defines the IQS450 system’s design. The conditioner itself resides in a rugged aluminum extrusion, while its compatible sensors often feature PEEK-encapsulated coils and stainless steel housings. These materials allow the system to withstand pressures up to 100 bar, making it a primary choice for submerged pumps and hydraulic turbines. Furthermore, the unit incorporates 45mA short-circuit protection and 500Ω output impedance to safeguard the signal chain against electrical faults. Because the components are interchangeable, operators can replace individual sensors or conditioners without the need for time-consuming field recalibration.

Versatile Industrial Applications

The 204-450-000-001 signal conditioner excels in predictive maintenance programs for large-scale rotating equipment. It integrates seamlessly with plant DCS and PLC systems, offering configurable voltage or 4-20mA current loop outputs. Consequently, the IQS450 is widely deployed in hydroelectric facilities, specifically for monitoring Kaplan and Francis turbines, as well as in offshore oil and gas equipment. The combination of high-precision sensing and flexible cabling options (ranging from 1 to 15 meters) ensures that the system can be adapted to space-constrained machinery while maintaining signal integrity over long distances.

Key Technical Characteristics

• Wide Dynamic Range: Delivers a 16V dynamic output range proportional to the target distance.
• Pressure Resilience: Supports sensor operation in environments rated up to 100 bar.
• Advanced Signal Conversion: Translates eddy current variations into precise gap measurements using high-frequency demodulation.
• Robust Protection: Features integrated short-circuit protection and high-quality EMI shielding.
• System Interconnectivity: Compatible with TQ-series sensors and a variety of cable extension lengths.
• Industrial Standard Output: Provides a stable -20V to -32V DC supply requirement with a nominal 13mA current draw.

Technical Specifications