Model 1230 UltraStable Medical Instrumentation PC Board Mountable Pressure Sensor Calibration 0-100 mV Output Process Control Absolute, Differential, and Gage Factory Automation Wide Temperature Range Air Flow Management Leak Detection DESCRIPTION The Model 1230 is a high performance temperature compensated, piezoresistive silicon pressure sensor packaged in a dual-in-line configuration. It is intended for cost sensitive applications where excellent performance and long-term stability are required. Integral temperature compensation is provided over a range of -20°C to +85°C using laser-trimmed thick film resistors. An additional laser-trimmed resistor is included to normalize pressure sensitivity variations, for interchangeability of ±1%, by programming the gain of an external differential amplifier. Differential and gage pressure ranges from 0-15 PSI to 0-100 PSI are available. Absolute pressure ranges of 0-15 PSIA to 0-30 PSIA are available. Multiple lead and tube configurations are available for different applications. FEATURES Please refer to the low pressure section for information on -20°C to +85°C Compensated Temperature Range products with operating pressures less than 0-2 PSI. For a ±0.1% Non-linearity gain set resistor, please refer to the Model 1240. ±0.5% Temperature Performance 1.0% Interchangeable Span (provided by gain set resistor) Solid State Reliability Low Power compensated sensor using a current set resistor as opposed to a DIMENSIONS STANDARD RANGES Range 1-18 psig psid psia 0 to 15 ● ● ● 0 to 30 ● ● ● 0 to 50 ● ● ● 0 to 100 ● ● ● HITs – Wide Temperature Range Model 1230 UltraStable PC Board Mountable Pressure Sensor PERFORMANCE SPECIFICATIONS Supply Current: 1.5mA Ambient Temperature: 25°C (Unless otherwise specified) PARAMETERS Full Scale Output Span MIN TYP MAX UNITS 75 100 150 mV 1 2 ±mV 3 2 Zero Pressure Output Pressure Non-linearity 0.05 0.1 ±% Span Pressure Hysteresis 0.01 0.1 ±% Span NOTES 3500 4500 Ω Temperature Error – Span 0.3 0.5 ±% Span 3, 4 Temperature Error – Zero 0.1 0.5 ±% Span 3, 4 Input Resistance 2500 Temperature Coefficient - Resistance 0.145 %/°C 4 0.05 ±% Span 4 Short Term Stability of Offset 0.05 ±% Span 14 Short Term Stability of Span 0.05 ±% Span 14 Thermal Hysteresis – Zero Long Term Stability of Offset 0.1 ±% Span 15 Long Term Stability of span 0.1 ±% Span 15 Supply Current 0.5 1.5 Response Time (10% to 90%) Output Noise Output Load Resistance Insulation Resistance (50 VDC) mA 5 1.0 msec 6 1.0 µV p-p 7 5 MΩ 8 50 MΩ Pressure Overload Operating Temperature 2.0 3X Rated Storage Temperature –50°C to +150°C Media Non-corrosive Gases Compatible with Wetted Materials Weight 3 Grams Notes 1. Output span of unamplified sensor. 2. Best Fit Straight Line. 3. For Model 1230, compensation resistors are an integral part of the sensor package; no additional external resistors are required. Pins 7 and 8 must be kept open. 4. Temperature range: -20°C to +85°C in reference to 25°C. 5. Guarantees input/output ratiometricity. 6. For a zero-to-full scale pressure step change. 7. 10 Hz to 1kHz. 8. Prevents increase of TC–Span due to output loading. CONNECTIONS 9 –40°C to +125°C 9. 10. 11. 12. 13. 14. 15. 10 3X or 200 psi maximum, whichever is less. 20 psi for 2 psi and 5 psi versions. Wetted materials are glass, ceramic, silicon, RTV, nickel, gold, and aluminum. Soldering of lead pins: 250°C for 5 seconds, maximum. Tube length: L=470 ± 5 mil, S=300 ± 3 mil, N=no tube. Lead pins can either be in the same or the opposite direction as the pressure tube. See Connections/Dimensions drawing for lead configurations. Normalized offset bridge voltage: 7 days. 1 year. ORDERING INFORMATION 1230 - 015 G - 3 S Pressure Tubes (L, S, N - see note 12) Lead Configuration (1, 3 - see note 13) Type (G = Gage, A = Absolute, D = Differential) Pressure Range Model APPLICATION SCHEMATIC June 2001 HITs – Wide Temperature Range Feel free to contact customer service with any questions at Toll free 1(800)745-8008; Phone (757)766-1500; Fax (757)766-4297 1-19