I. Model Description PR6424/003-030

PR6424: Φ16mm Eddy Current Sensor

003: 3-meter Shielded Cable

030: Standard Calibration Specification

CON021: Corresponding Special Pre-Amplifier

II. Sensor Technical Parameters

Probe Diameter: 16mm

Installation Thread: M18×1.5

Cable Length: 3m

Linear Measurement Range: 0 - 4.0mm

Sensitivity: 4V/mm

Standard Installation Gap: 3.0mm

Matching Midpoint Voltage: -12V (with CON021)

Frequency Response: 0 - 12kHz

Coil Resistance: 5 - 8Ω

Operating Temperature: -35℃ - +150℃

Protection Grade: IP67

Compatible Material: 42CrMo4 Ferromagnetic Steel

III. Parameters of CON021 Preamplifier

Working Power Supply: -24VDC (range -18 - -30VDC)

Output Voltage Range: -4V - -20V

Power Consumption: ≤2W

Frequency Response: 0 - 10kHz

Built-in Protection: Reverse Connection, Short Circuit, Open Circuit Protection

Installation Environment: Installed in Control Cabinet

IV. Terminal Wiring

CON021 Terminal:

1: -24V

2: Power Ground 0V

3: Signal Output (connected to TSI module)

4: Signal Ground

V. Installation and Commissioning

Initial Gap Setting for Probe: 3.0mm

Power On Adjustment of Gap to Make Preamplifier Output Stable at -12V and Lock

Secure and Tighten the LEMO Plug to Avoid Loosening and Drift

Keep the Cable Away from Power Lines and Frequency Converters, and Ground Shielding Only at One Point on the Cabinet Side

VI. Application

Used for Steam Turbines, Compressors, Fans

Measurements: Axial Vibration, Axial Displacement, Temperature Difference, Eccentricity

Compatible System: MMS6000, AMS6500 TSI System