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

Product Description

The Allen Bradley 1442-DR-5850 belongs to the 1442 Series Eddy Current Probe Systems, engineered for precise vibration monitoring and machinery diagnostics. This driver ensures accurate signal conditioning, stable operation, and compliance with industrial wiring standards.

Technical Specifications

• Calibration Material: AISI 4140 (IS SCM440) steel flat surface

• Maximum Output Voltage: -23 V DC

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

• Current Consumption: ≤ 15 mA with 10 kΩ load

• Output Noise: ≤ 20 mV peak-to-peak plus supply noise

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

• Connector Diameter: 7.1 mm (0.28 in.)

• Armored Connector Diameter: 5.8 mm (0.23 in.)

• System Cable Lengths: 5 m (16.40 ft) or 9 m (29.53 ft) nominal

• Probe Integral Cable Variance: +30% / -0%

• Extension Cable Variance: +20% / -0%

• Power Supply Requirement: -24 V DC

• Insulation Resistance: ≥ 100 MΩ at 500 V DC (between terminals and mounting plate)

• Terminal Block Type: Spring lock terminal

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

• Wiring Category: Category 2 (signal ports)

• Wire Size Compatibility: 0.75–1.25 mm² (18–16 AWG) shielded stranded copper wire, rated ≥ 90°C (194°F), insulation ≤ 1.2 mm (3/64 in.)

• Driver Mass: ~200 g (7.0 oz.)

Application Scenarios

• Rotating Equipment Monitoring: Turbines, compressors, pumps requiring precise vibration detection

• Predictive Maintenance Systems: Integration into reliability monitoring platforms

• Industrial and Hazardous Environments: Designed with insulation and wiring standards for demanding conditions

FAQ

Q: What cable lengths are supported?  A: The driver supports 5 m and 9 m system cables with defined variance tolerances.

Q: How does the driver indicate probe faults?  A: It outputs -0.6 V DC when the probe or sensor is open or shorted, ensuring clear fault detection.

Q: What insulation resistance is provided?  A: ≥ 100 MΩ at 500 V DC between terminals and mounting plate.