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Capacitive proximity sensor NKS18P-30P series
cylindricalexplosion-proofNAMUR

capacitive proximity sensor
capacitive proximity sensor
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Characteristics

Technology
capacitive
Shape
cylindrical
Protection level
explosion-proof
Output signal
NAMUR
Measuring range

Max.: 10 mm (0.394 in)

Min.: 2 mm (0.079 in)

Description

NAMUR SERIES • ATEX certified II 1GD for zone 0;20 • Cable output • General features: The capacitive sensors are used for detecting any material. Some materials, especially if liquid or metallic, can be detected also through plastic or glass walls. They can be used for various applications: level control in storage bins or tanks; survey filling bottles; rain sensor; anti-vandalism tab; etc. The adjustment of sensing distance is made by a potentiometer at the back of the housing. The special material of the housing allows the use without additional protections against electrostatic charges. Technical data: • Supply voltage according NAMUR: 7,7 ÷ 9 Vdc • Max ripple: 10% • Consumption at 8,2 V with Rx = 1000 Ω with metal: ≥ 3 mA without metal: ≤ 1 mA • Temperature range: - 20° ÷ + 60°C • Max thermal drift of sensing distance Sr : ± 20% • Repeat accuracy (R): 4% • Degree of protection: IP65 • Cable conductor cross section: 0,75 mm2 • Marking: II 1D Ex iaD 20 T80° C II 1G Ex ia IIC T6 • Certified IMQ 08 ATEX 010 • Electromagnetic compatibility (EMC) according to EN60947-5-2 • According to: EN60947-5-6/EN60079-0/EN60079-11/EN60079-26 • Shock and vibration resistance according to EN60068-2-27/EN60068-2-6 Safety parameters: • Vi max: 13,5 V • Ii max: 60 mA • Ci max: 100 nF • Li max: 100 μH • Pi max: 200 mW These sensors must be used in conjunction with associated apparatus (See Sect. E) Use in hazardous area according to instruction manuals

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