ifm Electronic NF501A Induktiver NAMUR Sensor

Product characteristics

• Electrical design: NAMUR
• Output function: normally closed
• Sensing range [mm]: 4
• Housing: threaded type
• Dimensions [mm]: M12 x 1 / L = 45

Electrical data

• Connection to switching amplifiers: yes
• Switching amplifiers: connection to certified intrinsically safe circuits with the max. values: U = 15 V / I = 50 mA / P = 120 mW
• Nominal voltage DC [V]: 8.2; (1kΩ)
• Supply voltage DC [V]: 7.5...30; (when used outside the hazardous area)
• Current consumption [mA]: < 1; (disabled; conductive: > 2,1)
• Protection class: III

Outputs

• Electrical design: NAMUR
• Output function: normally closed
• Permanent current rating of switching output DC [mA]: 30; (when used outside the hazardous area)
• Switching frequency DC [Hz]: 700

Detection zone

• Sensing range [mm]: 4
• Real sensing range Sr [mm]: 4 ± 10 %
• Operating distance [mm]: 0...3.24

Accuracy / deviations

• Correction factor: steel: 1 / stainless steel: 0.7 / brass: 0.5 / aluminium: 0.4 / copper: 0.3
• Hysteresis [% of Sr]: 1...15
• Switch point drift [% of Sr]: -10...10

Operating conditions

• Ambient temperature [°C]: -20...70
• Protection: IP 67

Tests / approvals

• Approval: BVS 04 ATEX E 091 X; IECEx BVS 06.0003
• ATEX marking: II 1G Ex ia IIC T6 Ga
• : II 1D Ex ia IIIC T 90°C Da
• EMC: EN 60947-5-6,
• Shock/vibration resistance: 30 g (11 ms) / 10-55 Hz (1 mm)
• MTTF [years]: 3119

Safety classification

• Max. internal capacitance [nF]: 210
• Max. internal inductance [µH]: 115

Mechanical data

• Weight [g]: 78.55
• Housing: threaded type
• Mounting: flush mountable
• Dimensions [mm]: M12 x 1 / L = 45
• Thread designation: M12 x 1
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