EPRO PR6424/000-140 + CON021

EPRO PR6424/000-140 + CON021 Complete Specification Document
Core Basic Information
Brand: EPRO (Emerson)
Complete Model / Order Part Number: PR6424/000-140 + CON021
Separate Part Numbers:
Probe Sensor: PR6424/000-140
Signal Converter: CON021
Product Full Name: High Precision Non-contact Eddy Current Displacement & Vibration Monitoring Sensor System
Country of Origin: Germany
Customs HS Code (Two standard options for customs declaration):
Option 1 (Measuring instrument): 9031809090
Option 2 (Electrical control component): 8538900000
Total Gross Weight of Full Set: 0.32 kg
Overall Dimension (Packed Standard Size): 140mm × 130mm × 40mmCON021 Converter Housing Size: 110mm × 65mm × 32mm
PR6424 Probe Head Diameter: 16mm, M18×1.5 mounting thread
Cable Length for PR6424/000-140: 14 meters PTFE high temperature resistant armored cable
PR6424/000-140 Probe Technical Parameters

Input Related (Probe Side)
1. Measuring Principle: Eddy current induction
2. Linear Measuring Range: ±2 mm (calibrated for 42CrMo steel target)
3. Nominal Center Air Gap: 3.0 mm
4. Dynamic Vibration Measuring Range: 0 ~ 1000 μm
5. Minimum Applicable Shaft Diameter: ≥80 mm
6. Valid Target Surface Diameter: ≥40 mm (to avoid measurement error over 1%)
7. Probe Operating Temperature: -35 ℃ ~ +180 ℃ (short-term 5h up to 200 ℃)
8. Cable Material: PTFE insulated armored high temperature wire
9. Protection Class of Probe: IP65 under correct installation
10. Sensitivity Matching with CON021: 4 V/mm (tolerance ±5%)
11. Linearity Error: ≤ ±1.5% FS (full scale)
12. Temperature Drift: Zero drift 200 mV/100K; Sensitivity drift ＜2%/100K
Physical Specs of PR6424/000-140
Net Weight of Probe + 14m Cable: 0.20 kg
Probe Head Diameter: 16 mm
Mounting Thread: M18×1.5
Cable Length Code Definition “-140”: 14 meters total cable length
CON021 Signal Converter Technical Parameters
Power Input (Power Supply Terminal)
1. Supply Voltage Range: -23 V DC ~ -32 V DC (standard rated supply: -24 V DC)
2. Input Power Consumption: ≤ 1.8 W
3. Input Terminal Type: Screw terminal, suitable for 1.5 mm² wire
Signal Input (Connect to PR6424 Probe)
1. Input Signal Type: Weak high-frequency inductance signal from eddy current probe coil
2. Max Allowed Matching Cable Length: ≤14 m (perfect match for PR6424/000-140)
3. Input Frequency Response: 0 Hz ~ 10 kHz (-3dB attenuation point)
4. Signal Response Time: ＜15 ms
Output Signal (To Monitoring System)
1. Standard Output Voltage Range: -4 V DC ~ -20 V DC
2. Zero Point Output Voltage (nominal center gap): -12 V DC
3. Output Signal Composition:
DC component: Static shaft gap distance value
AC superimposed component: Dynamic vibration amplitude signal
4. Output Load Capacity: Minimum load resistance ≥ 10 kΩ
5. Output Terminal: Screw terminal block for PLC/DCS connection
Physical & Environmental Specs of CON021
Net Weight of Converter Unit: 0.12 kg
Housing Material: Lightweight aluminum alloy LMgSi 0.5 F22
Installation Method: DIN rail mounting / panel screw fixing
Protection Grade: IP20 (for cabinet internal installation)
Operating Ambient Temperature: -30 ℃ ~ +75 ℃
Shock & Vibration Resistance: 5g at 60 Hz (25 ℃ environment)
Compliance Certification: CE certified, optional ATEX explosion-proof version
Complete System Combination Feature Summary
1. Non-contact measurement, zero mechanical wear to rotating shaft surface
2. Wide temperature tolerance, adaptable to turbine, boiler and heavy machinery high-temperature scenes
3. Integrated DC+AC compound output, simultaneously monitor static position and dynamic vibration
4. Compact assembly, easy field installation and calibration
5. Widely used in power generation, petrochemical, metallurgy heavy rotating equipment protection systems