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

1442 Series Probe Systems Technical Specifications

Standard Calibration

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

Electrical Specifications

• Maximum Output Voltage (approx): -23V DC (applies at 25 °C (77 °F) with -24V DC power supply, load resistance 10 kΩ, and AISI 4140 (JIS SCM440) steel flat surface target (thickness ≥ 5 mm))
• Probe/Sensor Abnormal Output Voltage (approx): -0.6V DC (probe/sensor OPEN or SHORT)
• Current Consumption (10 kΩ load, max): -15 mA
• Output Noise (approx): 20 mV peak-to-peak + power supply noise
• Power Supply: -24V DC

Physical Specifications

• Cable Diameter (approx): 2.7 mm or 3.6 mm (0.11 in. or 0.14 in.)
• Connector Diameter (approx): 7.1 mm (0.28 in.)
• Connector Diameter (Armored, approx): 5.8 mm (0.23 in.)
• System Cable Length: 5 m or 9 m (16.40 ft or 29.53 ft) nominal
• Probe Integral Cable Variance: +30% / -0%
• Extension Cable Variance: +20% / -0%

Driver Specifications

• Driver Insulation Resistance: ≥ 100 MΩ @ 500V DC (between terminals and mounting plate)
• Isolation Voltage (Driver): 50V (continuous), Basic Insulation Type, terminals to mounting plate; Type tested at 500V AC for 60 s
• Wiring Category: 2 - on signal ports (Refer to Industrial Automation Wiring and Grounding Guidelines, publication 1770-4.1)
• Wire Size (Driver): 0.75…1.25 mm² (18…16 AWG) shielded stranded-copper wire rated at 90 °C (194 °F), or greater, 1.2 mm (3/64 in.) insulation max
• Driver Mass (approx): 200 g (7.0 oz.)

Environmental Specifications

Temperature

• Operating (Hazardous Area): -40…+80°C (-40…+176 °F)
• Operating (IEC 60068-2-1, IEC 60068-2-2, IEC 60068-2-14):
  • Probe: -40…+80°C (-40…+176 °F)
  • Driver: -40…+177°C (-40…+350 °F)
  • Connector: -40…+80°C (-40…+176 °F)

Humidity

• Relative Humidity (IEC 60068-2-30): 30…95% RH (non-condensing, non-submerged)
• Probe/Sensor Body: 100% RH

Vibration

• Vibration (IEC 60068-2-6): 1 g @ 10…150 Hz

Immunity and Emissions

• Emissions (CISPR11, IEC 61000-6-4): Class A
• ESD Immunity (IEC 61000-4-2): 6 kV contact discharges, 8 kV air discharges
• Radiated RF Immunity (IEC 61000-4-3):
  • 10V/m with 1 kHz sine-wave 80% AM from 80…2000 MHz
  • 3V/m with 1 kHz sine-wave 80% AM from 1400…2000 MHz
  • 1V/m with 1 kHz sine-wave 80% AM from 2000…2700 MHz
• EFT/B Immunity (IEC 61000-4-4): ±1 kV at 5 kHz on shielded signal ports
• Surge Transient Immunity (IEC 61000-4-5): ±1 kV line-earth (CM) on shielded signal ports
• Conducted RF Immunity (IEC 61000-4-6): 10V rms with 1 kHz sine-wave 80% AM from 150 kHz…80 MHz
• Magnetic Field Immunity (IEC 61000-4-8): 30 A/m long duration at 50 Hz

General Specifications

• Enclosure Type Rating: None (open-style)
• Temperature Code: T4