BI2-G12-Y1 is a Turck inductive sensor with a NAMUR output to EN 60947-5-6 in an M12 chrome-plated brass housing, approved for explosion-hazardous areas up to zone 0 (gas) and zone 20 (dust).
- Sensing distance: 2 mm, flush mounting; secured operating distance ≤ 0.81 × Sn
- Output: NAMUR, 2-wire; current ≥ 2.1 mA not actuated, ≤ 1.2 mA actuated; switching frequency 5 kHz
- Supply: nominal 8.2 VDC; Ci/Li 150 nF / 150 µH
- Housing: M12 x 1 thread, thread length 30 mm, chrome-plated brass, PA12-GF30 sensing face, nut torque up to 10 Nm
- Environment: IP67, ambient temperature -25...+70 °C
- Connection: 2 m blue PVC cable (LifYY), 2 x 0.34 mm², Ø 5.2 mm
The sensor may only be connected to certified intrinsically safe (Ex i) circuits, for example an isolating switching amplifier with a NAMUR input. Maximum input values: Ui = 20 V, Ii = 60 mA, Pi = 200 mW.
Correction factors for other target metals (St37 steel = 1): aluminium 0.3, brass 0.4, stainless steel 0.7.
Marking Ex II 1 G Ex ia IIC T6 Ga / II 1 D Ex ia IIIC T135 °C Da, certificate KEMA 02 ATEX 1090X. SIL2 (low demand) acc. to IEC 61508 and PL c acc. to ISO 13849-1 with HFT0; SIL3 and PL e in redundant configuration with HFT1. MTTF 6198 years acc. to SN 29500 (40 °C).
