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NAMUR SERIES

Product catalog summary

Overview: This document provides technical specifications and guidelines for cylindrical inductive ATEX sensors housed in metal, manufactured by BDC Electronic. These sensors are designed for use in hazardous environments and are ATEX certified.

Specifications:

Nominal Sensing Distance (Sn): Ranges from 2 mm to 8 mm with a tolerance of ±10%.
Series: NAMUR series with diameters of 12 mm and 18 mm.
Certification: ATEX certified II 1GD for zone 0;20.
Output: Cable output with specific ordering references for different models.

Technical Data:

Supply Voltage: 7.7 to 9 Vdc according to NAMUR standards.
Max Ripple: 10%.
Consumption: At 8.2 V with Rx = 1000 Ω, ≤ 1 mA with metal and ≥ 3 mA without metal.
Temperature Range: -20°C to +60°C.
Thermal Drift of Sensing Distance (Sr): ±10%.
Repeat Accuracy (R): 2%.
Protection Degree: IP67 according to EN60529.
Cable Conductor Cross Section: 0.35 mm² for 12 mm diameter, 0.75 mm² for 18 mm diameter.
Marking: II 1D Ex iaD 20 T80°C, II 1G Ex ia IIC T6.
Certification: IMQ 08 ATEX 010.
EMC Compliance: EN60947-5-2.
Standards Compliance: EN60947-5-6, EN60079-0, EN60079-11, EN60079-26.
Shock and Vibration Resistance: 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.

Installation and Usage: These sensors must be used with associated apparatus as per the instruction manuals and are suitable for hazardous areas.

Materials:

Cable: 2 m PVC CEI 20-22 II, 90°C, 300 V, O.R.
Housing: Nickel-plated brass.
Sensing Face: Plastic.

Catalog excerpts

CYLINDRICAL INDUCTIVE ATEX SENSORS IN METAL HOUSING • NAMUR SERIES diameters 12 - 18 mm • ATEX certified II 1GD for zone 0;20 • Cable output Housing B L5 L2 Technical data: without metal • Supply voltage according NAMUR: • Max ripple: • Consumption at 8,2 V with Rx = 1000 Ω with metal: without metal: • Temperature range: • Max thermal drift of sensing distance Sr: • Repeat accuracy (R): • Degree of protection according EN60529: • Cable conductor cross section: • Cable: 2 m PVC CEI 20-22 II; 90°C; 300 V;O.R. • Housing: nickel plated brass • Sensing face: plastic 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: • • • • • These sensors must be used in conjunction with associated apparatus (See Sect. E) Nominal sensing distance ( Sn ) ± 10% Cable diameter Flush mounting Non flush mounting Use in hazardous area according to instruction manuals ORDERING REFERENCES I brown blue BDC Electronic - Viale Lidice, 37/39 - 10095 Grugliasco (To) - Italy -Tel. (+39)011.31.49.021/022

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