4/5 S220 OEM Dew Point Sensors Measurement Dew Point Accuracy ± 1 °C Td (0 ... 20 °C Td) ± 2 °C Td (-60 ... 0 °C Td) ± 3 °C (-100 ... -60 °C Td) Selectable units °C, °F, bar(g), MPa(g), psi(g), % rH, g/m³, mg/m³, g/m³ atm., mg/m³ Measuring range -100 ... +20 °C Td Sensor Polymer + QCM Response time (t90) 0 °C Td -> -80 °C Td ≤ 420 sec -80 °C Td -> 0 °C Td ≤ 90 sec @ 4 l/min Pressure Accuracy 0.5 % FS Measuring range 0 ... 1.6 MPa Sensor Piezo resistive type Temperature Accuracy ± 0.3 °C Measuring range -30 ... +70 °C Sensor Pt100 Reference conditions Selectable conditions Pressure Dew Point, Atmospheric Dew Point Measurement Configuration PC Software S4C-DP Application Display Integrated 0.66” OLED display, indicates the measured value and unit Material Process connection Stainless steel 1.4301 (SUS 304) Housing Display cover: PC + ABS Sensor Polymer + Quartz-Crystal Metal parts Sinter filter (stainless steel) Miscellaneous Electrical connection M12, 5-pole Protection class IP65 Approvals CE Process connection G 1/2” (ISO 228/1) or UNF 5/8" (ANSI B1.1) Weight 180 g Operating conditions Medium Air, Argon, O₂, N₂, CO₂* Medium quality ISO 8573-1: 4.6.3 or better Medium temperature -30 ... +70 °C Medium humidity ≤ 20 °C Td Operating pressure 0.1 ... 1.6 MPa Ambient temperature 0 ... +50 °C Ambient humidity 0 ... 100 % rH Storage temperature -20 ... +50 °C Transport temperature -30 ... +70 °C Signal / Interface & Supply Analog output Signal 4 ... 20 mA 2-wire + SDI, 4 ... 20 mA 3-wire + Modbus/RTU Scaling 4 mA = -100; 20 mA = +20 °C Td; freely adjustable Load 250R Update rate 3/sec Fieldbus Protocol Modbus/RTU Update rate 1/sec Supply Voltage supply 15 ... 30 VDC Current consumption 2-wire: 4 ... 20 mA 3-wire: 40 mA @ 24 VDC 3-wire with Display: 50 mA @ 24 VDC Technical Data * CO₂ medium: The S220 must be set to CO₂ ex works or by using the S4C-DP Service Software + Service Kit (please state at the order if S220 will be used in CO₂)
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