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Catalogue Pressure Switch

31 www.bdsensors.com DS 210 Electronic Pressure Switch Technical Data Input pressure range Nominal pressure gauge [mbar] -1000 ... 0 10 16 25 40 60 100 160 250 400 600 1000 Overpressure [bar] 3 0.2 0.2 0.5 0.5 0.5 1 2 3 3 3 3 Burst pressure [bar] 5 0.3 0.3 0.75 0.75 0.75 1.5 3 5 5 5 5 Contact 1 Standard 1 PNP contact Options 2 independent PNP contacts 4 independent PNP contacts (possible with M12x1, 8-pin for 4 ... 20 mA/3-wire; 0 ... 10 V/3-wire on request) Max. switching current 4 ... 20 mA / 2- and 3-wire: contact rating 125 mA, short-circuit resistant; Vswitch = VS − 2V 0 ... 10 V / 3-wire: contact rating 500 mA, short-circuit resistant Accuracy of contacts 3 standard: ≤ ± 0.35 % FSO nominal pressure ≤ 100 mbar: ≤ ± 0.5 % FSO Repeatability ≤ ± 0.1 % FSO Switching frequency max. 10 Hz Switching cycles > 100 x 106 Delay time 0 ... 100 sec 1 max. 1 contact for 2-wire current signal with plug ISO 4400 as well as 2-wire current signal with Ex-protection no contact possible with 3-wire in combination with plug ISO 4400 Analogue output (optionally) / Supply 2-wire current signal 4 ... 20 mA / VS = 18 ... 41 VDC permissible load: Rmax = [(VS – VS min) / 0,02 A] Ω response time: < 10 msec 2-wire current signal with Ex-protection 4 ... 20 mA / VS = 17 ... 28 VDC permissible load: Rmax = [(VS – VS min) / 0,02 A] Ω response time: < 10 msec 3-wire current signal 4 ... 20 mA / VS = 19 ... 30 VDC adjustable (turn-down of span max. 1:5) 2 permissible load: Rmax = 500 Ω response time: < 3 sec 3-wire voltage signal 0 ... 10 V / VS = 15 ... 36 VDC permissible load: Rmin = 10 k Ω response time: < 3 msec without analogue output VS = 15 ... 36 VDC Accuracy standard: ≤ ± 0.35 % FSO nominal pressure ≤ 100 mbar: ≤ ± 0.5 % FSO 2 with turn-down of span the analogue signal is adjusted automatically to the new measuring range 3 accuracy according to IEC 60770 – limit point adjustment (non-linearity, hysteresis, repeatability) Thermal effects (Offset and Span) Nominal pressure PN [mbar] -1000 ... 0 ≤ 100 ≤ 400 > 400 Tolerance band [% FSO] ≤ ± 0.75 ≤ ± 1.5 ≤ ± 1 ≤ ± 0.75 in compensated range [°C] -20 ... 85 0 ... 50 0 … 70 -20 ... 85 Permissible temperatures Permissible temperatures medium: -40 ... 125 °C electronics / environment: -40 ... 85 °C storage: -40 ... 100 °C Electrical protection Short-circuit protection permanent Reverse polarity protection no damage, but also no function Electromagnetic compatibility emission and immunity according to EN 61326 Mechanical stability Vibration 10 g RMS (25 ... 2000 Hz) according to DIN EN 60068-2-6 Shock 500 g / 1 msec according to DIN EN 60068-2-27 Materials Pressure port stainless steel 1.4404 (316L) Housing stainless steel 1.4404 (316L) Display housing PA 6.6, Polycarbonate Seal (media wetted) FKM Sensor stainless steel 1.4404 (316L), silicon, Epoxy or RTV, glass Media wetted parts pressure port, seal, sensor Explosion protection (for 2-wire current signal) Approval AX14-DS 210 IBExU 06 ATEX 1050 X zone 1: II 2G Ex ia IIC T4 Gb (connector) / II 2G Ex ia IIB T4 Gb (cable) Safety technical maximum values Ui = 28 V, Ii = 93 mA, Pi = 660 mW, C ≈ 0 nF, Li ≈ 0 µH Max. switching current 4 70 mA (max. permissible inductivity: 4.7 mH) Permissible temperatures for environment -20 ... 70 °C Connecting cables (by factory) cable capacitance: signal line/shield also signal line/signal line: 160 pF/m cable inductance: signal line/shield also signal line/signal line: 1 µH/m 4 the real switching current in the application depends on the power supply unit DS 210 Technical Data

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