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Catalogue Pressure Switch

54 www.bdsensors.comBD SENSORS GmbH BD-Sensors-Straße 1 Telefon +49 (0) 92 35 / 98 11- 0 www.bdsensors.com Technical Data DS 217 Pressure Switch with welded Stainless Steel Sensor Characteristics: ► accuracy according to IEC 60770: 0.5 % FSO ► nominal pressure ranges from 0 … 6 bar up to 0 … 600 bar ► 1 analogue output and up to 2 contacts ► display and housing rotatable ► suitable for oxygen applications Input pressure range Nominal pressure gauge [bar] 6 10 16 25 40 60 100 160 250 400 600 Overpressure (static) [bar] 14 35 35 70 140 140 350 350 700 1 200 1 200 Burst pressure ≥ [bar] 28 70 70 140 280 280 700 700 1 400 1 500 1 500 Vacuum resistance unlimited Contact standard 1 PNP contact option max. 2 independent PNP contact; 1 analogue output Switching current standard: contact rating max. 500 mA, short-circuit resistant Accuracy of switching points 1 ≤ ± 1.5 % FSO Repeatability ≤ ± 0.5 % FSO Switching frequency max. 10 Hz Switching cycles > 100 x 106 Delay time 0 ... 100 sec Analogue output (optionally) / Supply 3-wire current signal 4 ... 20 mA / VS = 24 VDC ± 10 % Accuracy 1 ≤ ± 0.5 % FSO Permissible load 3-wire: Rmax = 500 Ω Influence effects supply: 0.05 % FSO / 10 V load: 0.05 % FSO / kΩ Measuring rate 10 Hz 1 accuracy according to IEC 60770 – limit point adjustment (non-linearity, hysteresis, repeatability) Thermal effects (Offset and Span) / Permissible temperatures Thermal error ≤ ± 0.5 % FSO / 10 K in compensated range -25 ... 85 °C Permissible temperatures medium: -25 ... 125 °C electronics / environment: -25 ... 85 °C storage: -40 ... 85 °C Electrical protection Short-circuit protection permanent Reverse polarity protection no damage, but also no funcition Electromagnetic compatibility emission and immunity according to EN 61326 pressure switch with display

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