RLO Series . Precision compensated low pressure sensors FEATURES · Ranges from 1 to 30 inch H2O gage or differential · Precision temperature compensated · Calibrated offset and span · Extremely low position sensitivity · Excellent long term stability · Sensortechnics PRO services MEDIA COMPATIBILITY To be used with non-corrosive, non-ionic working fluids such as clean dry air, dry gases and the like. The media wetted materials are: - silicon - glass filled nylon - silicone - ceramic (Al2O3) - gold ELECTRICAL CONNECTION EQUIVALENT CIRCUIT Top view +Vs 2 1 2 3 4 5 6 -Vout +Vout 5 3 Port 1 Port 2 4 -Vs E / 11713 / A Pin Pin Pin Pin Pin Pin 1: 2: 3: 4: 5: 6: N/C +Vs +Vout -Vs -Vout N/C Note: The polarity indicated is for pressure applied to port 2 1/5 www.sensortechnics.com RLO Series Precision compensated low pressure sensors SPECIFICATIONS Maximum ratings Environmental specifications Supply voltage VS Common-mode pressure Lead temperature (soldering 5 seconds) 0 to 16 V 50 psig 315 °C Temperature range Compensated Operating Storage Humidity limits (non-condensing) 0 to 50°C -25 to 85°C -40 to 125°C 0 to 95 %RH PRESSURE SENSOR CHARACTERISTICS Part no. Operating pressure Max. over pressure1 RLOH001D 1 "H2O 5 p si RLOH005D 5 "H2O 5 p si RLOH010D 10 "H2O 5 p si RLOH020D 20 "H2O 5 p si RLOH030D 30 "H2O 5 p si PERFORMANCE CHARACTERISTICS (VS = 12 V, TA = 25 °C, common-mode pressure = 0 psig, pressure applied to port 2) RLOH001D Characteristics Zero pressure offset Full scale span (FSS)2 Min. Typ. Max. -0.5 0 +0.5 9 10 11 Combined non-linearity and hysteresis3 4 Temperature effects (0 to 50°C) ±0.25 Span ±200 Offset ±250 Offset warm-up shift5 ±100 Offset position sensitivity (±1 g) ±50 Input resistance 4.5 Output resistance 1.5 Common mode voltage6 E / 11713 / A 6 Unit mV %FSS µV kΩ V 2/5 www.sensortechnics.com RLO Series Precision compensated low pressure sensors PERFORMANCE CHARACTERISTICS (cont.) (VS = 12 V, TA = 25 °C, common-mode pressure = 0 psig, pressure applied to port 2) RLOH005D Characteristics Zero pressure offset Full scale span (FSS)2 Min. Typ. Max. -0.5 0 +0.5 19 20 21 Combined non-linearity and hysteresis3 4 Temperature effects (0 to 50°C) ±0.25 Span ±200 Offset ±150 5 Offset warm-up shift ±50 Offset position sensitivity (±1 g) ±10 Input resistance 10 Output resistance 1.5 Common mode voltage6 Unit mV %FSS µV kΩ 6 V RLOH010D Characteristics Zero pressure offset Full scale span (FSS)2 Min. Typ. Max. -0.5 0 +0.5 19 20 21 Combined non-linearity and hysteresis3 Temperature effects (0 to 50°C)4 5 ±0.25 Span ±200 Offset ±150 Offset warm-up shift ±50 Offset position sensitivity (±1 g) ±10 Input resistance 13 Output resistance 1.5 Common mode voltage6 E / 11713 / A 6 Unit mV %FSS µV kΩ V 3/5 www.sensortechnics.com RLO Series Precision compensated low pressure sensors PERFORMANCE CHARACTERISTICS (cont.) (VS = 12 V, TA = 25 °C, common-mode pressure = 0 psig, pressure applied to port 2) RLOH020D Characteristics Zero pressure offset Full scale span (FSS)2 Min. Typ. Max. -0.5 0 +0.5 19 20 21 Combined non-linearity and hysteresis3 4 Temperature effects (0 to 50°C) ±0.25 Span ±200 Offset ±150 5 Offset warm-up shift ±50 Offset position sensitivity (±1 g) ±5 Input resistance 10 Output resistance 2 Common mode voltage6 6 Unit mV %FSS µV kΩ V RLOH030D Characteristics Zero pressure offset Full scale span (FSS)2 Min. Typ. Max. -0.5 0 +0.5 19 20 21 Combined non-linearity and hysteresis3 Temperature effects (0 to 50°C)4 5 ±0.25 Span ±200 Offset ±150 Offset warm-up shift ±50 Offset position sensitivity (±1 g) ±5 Input resistance 12 Output resistance 1.5 Common mode voltage6 Unit mV %FSS 6 µV kΩ V Notes 1 The maximum over pressure may be applied without causing durable shifts of the electrical parameters of the sensing element. 2 Full scale span (FSS) is the algebraic difference between the output voltage at full-scale pressure and the output at zero pressure. 3 Non-linearity refers to the Best Straight Line fit measured for offset pressure, full-scale pressure and ½ full-scale pressure. 4 Shift is relative to 25°C. 5 Shift within the first hour of excitation applied to the sensor. 6 This is the common mode voltage of the output arms (pin 3 and 5) for Vs= 12 V E / 11713 / A 4/5 www.sensortechnics.com RLO Series Precision compensated low pressure sensors OUTLINE DRAWING 6 5 4 3 2 1 1 2 3 4 5 6 Port 1 7.62 (0.3) 2.54 (0.10) 0.51 (0.02) 0.25 (0.01) DIA 3.30 (0.13) DIA 4.83 (0.19) DIA 2.03 (0.08) 5.33 (0.21) DIA 3.56 (0.14) 10.67 (0.42) 10.67 (0.42) 27.43 (1.08) Port 2 20.32 (0.80) 12.19 (0.48) 13.97 (0.55) 21,59 (0.85) 27.94 (1.10) mass: approx. 10 g third angle projection dimensions in mm (inches) ORDERING INFORMATION - AVAILABLE LISTINGS Note: Preferred listings are highlighted in grey Pressure range Gage/differential devices 1 "H2O RLOH001D 5 "H2O RLOH005D 10 "H2O RLOH010D 20 "H2O RLOH020D 30 "H2O RLOH030D Sensortechnics PRO services: · Extended guarantee period of 2 years · Improved performance characteristics · Custom product modifications and adaptations even for small quantities · Advanced logistics models for supply inventory and short delivery times · Technical support through application engineers on the phone or at your site · Fastest possible technical response for design and QA engineers ... plus other services on request Sensortechnics reserves the right to make changes to any products herein. Sensortechnics does not assume any liability arising out of the application or use of any product or circuit described herein, neither does it convey any license under its patent rights nor the rights of others. E / 11713 / A 5/5 www.sensortechnics.com