Product Short Description
Product Overview
High-temperature optimized eddy current measurement system with 100mm probe length, compatible with CON011 standard preamplifier. It is specially developed for machinery measurement points with ultra-high ambient temperature around the bearing housing, supporting long-term stable operation under extreme high-temperature environments that ordinary PR6424 probes cannot withstand.
Description
2.3 Core Technical Specifications
PR6425010-100 Probe
- Sensing Head Diameter: 16 mm
- Total Probe Length: 100 mm
- Standard Cable Length: 10 m high-temperature PTFE cable
- Static Measuring Range: ±2.0 mm
- Sensitivity: 4 V/mm, maximum linear error ±2.0% FS
- Minimum Measured Shaft Diameter: ≥80 mm
- Long-Term Continuous Operating Temperature of Probe Head: -35°C ~ +380°C
- Instantaneous Temperature Shock Resistance: 400°C (<4 hours)
- Probe Head Pressure Resistance: 2000 hPa
CON011 Pre-converter: Same full parameters as Section 1.3 CON011 specification
2.4 Function Features
- Ultra-high temperature resistant probe design, long-term stable measurement at 380°C bearing boxes, solving high-temperature measurement failure of conventional sensors
- Fully compatible with CON011 standard preamplifier, interchangeable with PR6424 series without modifying control system wiring and parameters
- High temperature resistant internal coil ceramic insulation structure, no insulation aging and signal drift under long-term high-temperature working conditions
- All other general functions consistent with PR6424 series: non-contact measurement, factory pre-calibration, wide frequency response, analog voltage output
2.5 Working Principle
Identical eddy current induction working principle as PR6424 series probes; the only difference is upgraded high-temperature resistant internal coil insulation and probe sleeve material to adapt ultra-high temperature measurement environments.
2.6 Material Composition & Structural Characteristics
PR6425 Probe
- Sensing Sleeve: High-temperature resistant 310S stainless steel, anti-oxidation under 400°C high temperature
- Internal Coil Insulation: High-purity alumina ceramic support, temperature resistance up to 600°C
- Cable Jacket: Enhanced high-temperature PTFE, continuous working temperature up to 260°C
- Mounting Structure: M10 standard external thread, short 100mm probe body for narrow installation space near high-temperature bearing boxes
CON011 Pre-converter: Same material and structure as Section 1.6 CON011
2.7 Application Scenarios
- High-temperature steam turbine front/rear bearing housing radial vibration monitoring
- High-temperature process gas compressor bearing shaft displacement measurement in petrochemical plants
- Heavy-duty industrial kiln exhaust fan high-temperature bearing vibration detection
- Thermal power plant boiler induced draft fan, primary air fan high-temperature shaft protection monitoring
2.8 Installation Requirements & 2.9 Usage Precautions
All installation standards and operation precautions are consistent with PR6424010-130 + CON011 set (Section 1.8 & 1.9), with one additional dedicated precaution: When installing near high-temperature equipment, add thermal insulation baffles between the probe cable and high-temperature metal surfaces to prevent cable overheating aging.
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