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Catalogue Pressure Switch

21 www.bdsensors.com DS 201 Electronic Pressure Switch Technical Data Input pressure range 1 Nominal pressure gauge [bar] -1…0 0.4 0.6 1 1.6 2.5 4 6 10 16 25 40 60 100 160 250 400 600 Nominal pressure abs. [bar] - - 0.6 1 1.6 2.5 4 6 10 16 25 40 60 100 160 250 400 600 Level gauge [mH2O] - 4 6 10 16 25 40 60 100 160 250 400 600 - - - - - Overpressure [bar] 4 1 2 2 4 4 10 10 20 40 40 100 100 200 400 400 600 800 Burst pressure ≥ [bar] 7 2 4 4 5 5 12 12 25 50 50 120 120 250 500 500 650 880 Vacuum resistance PN ≥ 1 bar: unlimited vacuum resistance PN < 1 bar: on request 1 PVDF pressure port possible for nominal pressure ranges up to 60 bar Contact 2 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 ≤ ± 0.5 % FSO Repeatability ≤ ± 0.2 % FSO Switching frequency max. 10 Hz Switching cycles > 100 x 106 Delay time 0 ... 100 sec 2 max. 1 contact for 2-wire current signal with plug ISO 4400 as well as 2-wire current signal with IS-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 = 13 ... 36 VDC permissible load: Rmax = [(VS – VS min) / 0.02 A] Ω response time: < 10 msec 2-wire current signal with IS-protection 4 ... 20 mA / VS = 13 ... 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 1:5) 4 permissible load: Rmax = 500 Ω response time: < 0,5 sec 3-wire voltage signal 0 … 10 V / VS = 15 ... 36 VDC permissible load: Rmin = 10 kΩ response time: < 10 msec Without analogue output VS = 15 ... 36 VDC Accuracy 3 ≤ ± 0.5 % FSO 3 accuracy according to IEC 60770 – limit point adjustment (non-linearity, hysteresis, repeatability) 4 with turn-down of span the analogue signal is adjusted automatically to the new measuring range Thermal effects (Offset and Span) / Permissible temperatures Thermal error ≤ ± 0.2 % FSO / 10 K in compensated range -25 ... 85 °C Permissible temperatures 5 medium: -40 ... 125 °C electronics / environment: -40 ... 85 °C storage: -40 ... 100 °C 5 for pressure port of PVDF the minimum permissible temperature is -30 °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 / housing Standard: Option for G1/2" open port (up to 60 bar): Options for G3/4" flush (0.6 bar ≤ PN ≤ 25 bar): pressure port housing stainless steel 1.4404 PVDF PVDF stainless steel 1.4404 stainless steel 1.4404 PVDF Display housing PA 6.6, polycarbonate Seals (media wetted) standard: FKM option: EPDM (PN ≤ 160 bar), NBR others on request Diaphragm ceramics Al2O3 96 % Media wetted parts pressure port, seals, diaphragm DS 201 Technical Data

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