Product Name:non-contact eddy current sensor
Brand Name: Emerson Epro
Model Number: PR6424/000-000 CON21
Country of Origin: USA
Warranty: 12 Months
Whatsapp：+86 18159889985
Email：[email protected]
Brand Name: |
Emerson Epro |
Model Number: |
PR6424/000-000 CON21 |
Country of Origin: |
USA |
Packaging Details: |
Original new Factory Sealed |
Delivery Time: |
in stock |
Payment Terms: |
T/T |
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Sales Manager: |
Stella |
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Send an email: |
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Contact in Whatsapp: |
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Parameter |
Specification |
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Model |
PR6424/000-000 CON21 |
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Manufacturer |
Emerson (EPRO) |
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Product Type |
16 mm Eddy Current Sensor + CON21 Signal Converter System |
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Sensor Tip Diameter |
16 mm |
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Measuring Principle |
Non-contact eddy current |
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Static Measurement Range |
±2.0 mm (0.079 in) |
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Dynamic Measurement Range |
0 to 1,000 μm (0 to 0.039 in) |
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Sensitivity/Linearity |
4 V/mm (101.6 mV/mil) ≤ ±1.5% |
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Long Term Drift |
<0.3% |
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Nominal Center Air Gap |
Approx. 2.7 mm (0.11 in) |
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Target Material (Standard) |
42CrMo4 (AISI/SAE 4140) ferromagnetic steel |
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Maximum Surface Speed |
2,500 m/s (98,425 ips) |
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Minimum Shaft Diameter |
≥80 mm |
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Sensor Operating Temperature |
–35°C to +150°C (–31°F to +302°F) |
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Temperature Error |
<4%/100°K (API 670 compliant) |
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Pressure Resistance |
10,000 hPa (145 psi) |
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Shock and Vibration |
5g @ 60Hz @ 25°C |
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Sensor Housing Material |
Stainless steel |
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Sensor Cable Material |
PTFE (Polytetrafluoroethylene) |
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Weight (Sensor with 1m Cable) |
~200 grams (7.05 oz) |
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Converter Type |
CON21 (DIN-rail mounted signal conditioner) |
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Converter Frequency Range |
0–20,000 Hz (–3 dB bandwidth) |
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Converter Rise Time |
<15 μs |
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Protection Class |
IP66 (IEC 60529) |
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Hazardous Area Approvals |
ATEX, IEC-Ex, CSA (Intrinsic Safety ia / Non-sparking nA) |
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Certifications |
CE, ATEX, IEC-Ex, CSA, RoHS |
The PR6424/000-000 CON21 is a complete eddy current transducer system from Emerson‘s EPRO series, engineered for non‑contact displacement and vibration measurement on critical turbomachinery. The PR6424/000-000 16 mm sensor delivers 4 V/mm sensitivity with ≤±1.5% linearity, while the CON21 signal converter provides signal conditioning and standardized outputs for integration with monitoring systems. The PR6424/000-000 CON21 system offers a ±2.0 mm static range and 0–1,000 μm dynamic range, making it ideal for radial and axial shaft monitoring on turbines, compressors, and generators. With IP66 protection and ATEX/IEC-Ex certification, the system delivers reliable performance in demanding industrial and hazardous environments.
Turbomachinery Monitoring – Measures radial and axial shaft displacement, vibration, eccentricity, and speed/key on steam, gas, and hydro turbines
Compressor Protection – Monitors shaft position and vibration on centrifugal and axial compressors
Pump Condition Monitoring – Tracks shaft displacement and vibration on industrial pumps
Generator Health Assessment – Monitors rotor dynamics and bearing condition in power generation equipment
API 670 Compliant Systems – Suitable for machinery protection systems meeting API 670 standards
Hazardous Area Installations – Certified for ATEX/IEC-Ex Zone 0, 1, 2 and Division 1, 2 locations
16 mm Eddy Current Sensor – Non‑contact measurement eliminates mechanical wear, suitable for high‑speed rotating shafts up to 2,500 m/s surface speed
4 V/mm Sensitivity – Delivers ≤±1.5% linearity and <0.3% long‑term drift for precise displacement measurement
Wide Measurement Range – ±2.0 mm static range and 0–1,000 μm dynamic range for comprehensive monitoring
CON21 Signal Converter – DIN‑rail mounted module with 0–20 kHz frequency response and <15 μs rise time for real‑time monitoring
API 670 Compliance – Temperature error <4%/100°K meets industry standard for turbine monitoring
High Pressure Resistance – Withstands 10,000 hPa (145 psi) for pressurized applications
Wide Temperature Operation – Sensor operates from –35°C to +150°C
IP66 Environmental Protection – Dust‑tight and protected against powerful water jets
Hazardous Area Approved – ATEX, IEC-Ex, and CSA certified for intrinsic safety (ia) and non‑sparking (nA) applications
True Interchangeability – Factory‑calibrated; no field matching or bench calibration required
Compact Form Factor – 16 mm sensor with approx. 200 g weight for space‑efficient installation
API 670 Compliant – Fully compliant with API 670 standards for vibration monitoring, ensuring reliability and performance in line with internationally recognized specifications for turbomachinery protection.
Superior Temperature Stability – Temperature error of <4%/100°K ensures consistent performance across wide temperature swings without recalibration—a critical advantage over sensors that drift significantly in thermally challenging environments.
High Surface Speed Capability – Supports 2,500 m/s maximum surface speed, making it suitable for the most demanding high‑speed turbine and compressor applications where many competitive sensors would fail.
Comprehensive Hazardous Area Approvals – ATEX, IEC-Ex, and CSA certifications (intrinsic safety ia and non‑sparking nA) simplify global deployment in Zone 0/1/2 and Division 1/2 hazardous locations, reducing project engineering complexity.
True Interchangeability – Factory‑calibrated to AISI 4140 steel with precise sensitivity and linearity specifications allows sensor replacement without field recalibration—reducing downtime and maintenance costs.
Robust Environmental Protection – IP66‑rated housing withstands dust, powerful water jets, and harsh industrial conditions, eliminating the need for additional protective enclosures in most installations.
Proven EPRO Quality – Backed by Emerson‘s global support infrastructure and decades of turbomachinery monitoring expertise.
Q1: What is the measurement range of the PR6424/000-000 CON21 system?
A1: The system provides a static measurement range of ±2.0 mm (0.079 in) and a dynamic range of 0 to 1,000 μm (0 to 0.039 in) , making it suitable for both position and vibration monitoring.
Q2: What is the primary application of the PR6424/000-000 CON21?
A2: It is designed for non‑contact measurement of shaft displacement, position, and vibration in high‑performance rotating machinery such as turbines, compressors, pumps, and fans.
Q3: What is the CON21 signal converter and what does it do?
A3: The CON21 is a DIN‑rail mounted signal conditioner that converts raw eddy current probe signals into standardized voltage outputs for integration with monitoring systems such as Emerson Ovation, GE Speedtronic, and Bently Nevada. It provides signal conditioning, temperature compensation, and linearization, with a frequency range of 0–20,000 Hz and rise time of <15 μs.
Q4: What is the operating temperature range of the sensor?
A4: The sensor operates reliably from –35°C to +150°C (–31°F to +302°F) , making it suitable for high‑temperature turbine casing and compressor applications.
Q5: Is the PR6424/000-000 CON21 suitable for hazardous area installations?
A5: Yes. The system is certified for ATEX, IEC-Ex, and CSA with intrinsic safety (ia) and non‑sparking (nA) approvals for use in hazardous areas. Temperature classifications: T6 (Ta ≤ 84°C for ATEX/IEC-Ex), T4 (Ta ≤ 114°C), and T3 (Ta ≤ 160°C).
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