Allen-Bradley 1442-DR-5850 1442 Series Eddy Current Probe Driver

Overview

The Allen-Bradley 1442-DR-5850 is a precision Eddy Current Probe Driver from the 1442 Series, engineered for vibration and displacement monitoring applications in industrial environments. It provides stable signal conditioning and reliable performance for proximity probe systems, making it ideal for condition monitoring and predictive maintenance.

This probe driver supports high insulation integrity, stable output voltage, and robust electrical isolation—ensuring accuracy and long-term stability under harsh conditions.

Technical Specifications

• Manufacturer: Allen-Bradley (Rockwell Automation)

• Product Line: 1442 Series

• Part Number: 1442-DR-5850

• Type: Eddy Current Probe Driver

• Standard Calibration Material: AISI 4140 (JIS SCM440) steel, flat surface

• Power Supply: -24V DC

• Maximum Output Voltage: -23V DC

• Abnormal Probe/Sensor Output Voltage: -0.6V DC (probe open or short condition)

• Maximum Current Consumption: 15 mA (with 10 kΩ load)

• Output Noise: 20 mV peak-to-peak + supply noise

• Insulation Resistance: ≥ 100 MΩ @ 500V DC (terminals to mounting plate)

• Isolation Voltage: 50V continuous (basic insulation, type tested at 500V AC for 60 seconds)

• Terminal Type: Spring-lock terminal block

• Wiring Category: 2 (signal ports)

• Recommended Wire Size: 0.75–1.25 mm² (18–16 AWG), shielded stranded copper rated ≥ 90°C

• Cable Diameter: 2.7 mm or 3.6 mm (0.11 in or 0.14 in)

• Connector Diameter: 7.1 mm (0.28 in); Armored Connector: 5.8 mm (0.23 in)

• System Cable Length: 5 m or 9 m (16.4 ft or 29.5 ft) nominal

• Cable Variance: Probe cable ±30% / Extension cable ±20%

• Driver Mass: Approx. 200 g (7.0 oz)

Key Features

• Accurate Signal Conditioning: Provides consistent performance across varying probe conditions.

• Robust Electrical Design: Ensures high insulation resistance and reliable grounding.

• Wide Cable Compatibility: Supports 5 m and 9 m probe configurations.

• Low Noise Output: Maintains measurement accuracy under electrical interference.

• Industrial Durability: Built for continuous operation in demanding environments.

• Easy Integration: Compatible with multiple probe lengths and sensor assemblies.

Applications

• Machinery vibration and displacement monitoring

• Predictive maintenance and condition-based monitoring

• Turbine, compressor, and pump health diagnostics

• Process automation requiring precision signal feedback

FAQ

Q: What type of probes are compatible with 1442-DR-5850?
A: It supports standard 1442 Series Eddy Current Probes from Allen-Bradley.

Q: What is the typical operating voltage?
A: Operates at −24V DC with output voltage up to −23V DC.

Q: Can it be used in high-vibration environments?
A: Yes, it is designed for mechanical stability and long-term reliability in industrial vibration monitoring.