Description RMS Differential Pressure Probe | PCD-S Long-term stability <0.3 % of measured value / year Measuring range -25… 25 Pa / -50… 50 Pa / -100… 100 Pa / -250… 250 Pa / -500… 500 Pa Accuracy at 23 ±5 °C ±1.0 % full-scale (Pa) Response time t 63 <1 s Dimensions Ø 32 mm x 87 mm IP protection rating IP65 Fire protection class Complies UL94-HB Measurement interval 1 s probe ≥10s RMS / 1s Modbus Weight 60 g Housing Polycarbonate (housing) Stainless steel DIN 1.4305 (nuts) Current consumption Flow: 30 mA (avg.)<br>Diaphragm: 12 mA (avg.) FDA / GAMP FDA 21 CFR part 11 / GAMP5 Battery lifetime Flow: Wireless logger: 60d @ 10s interval / 350d @ 60s interval LAN logger: 70d @ 10s interval / 395d @ 60s interval Diaphragm: Wireless logger: 130d @ 10s interval / 650d @ 60s interval LAN logger: 180d @ 10s interval / 840d @ 60s interval Adjustment points Factory adjustment/calibration: 5 points Customer adjustment: max. 9 points Pressure resistance Flow: 5 bar Diaphragm: 0.7 bar Parameters Differential pressure Medium Flow: Air Diaphragm: Air & non-aggressive gases Pressure connections Tubing connector Ø 4.0 mm x 10 mm Protocols Modbus RTU Ambient pressure & temperature compensation Flow: Automatic Diaphragm: Not necessary Sensor type Flow / Diaphragm Zero point compensation Flow: Automatic, 1x per measurement interval Diaphragm: Manual, with external tube; via RMS software Leak rate Flow: <180 μl/min. Diaphragm: 0 μl/min. Warm-up time <0.5 s Calibration certificates are issued during the production process. New calibration certificates are available upon request at an additional cost. RMS Differential Pressure Probe | PCD-S