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| Models 22, 23 Low Pressure PC Board Mountable Pressure Sensor 0-10" H2O to 0-1 PSI 0-100 mV Output Low Cost Temperature Compensated Medical Instrumentation HVAC Factory Automation Process Control Avionics Air Flow Management DESCRIPTION The Models 22 and 23 are temperature compensated, piezoresistive silicon pressure sensors packaged in TO-8 configurations. They provide excellent performance and longterm stability. Integral temperature compensation is provided over a range of 0-50C using a laser-trimmed ceramic compensation board. An additional laser-trimmed resistor is included in the Model 23 which can be used to adjust the gain of an external differential amplifier and provide sensitivity interchangeability of 1%. The sensing element used in low pressure Models 22 and 23 has a double bossed design that produces a high sensor output of 100 mV (typical) at 1 PSI. The Models 12 and 13 are also available in ranges up to 0250 PSI. For sensors in a dual-in-line package please refer to the FEATURES Solid State Reliability 100mV Output Span Interchangeable Temperature Compensated Low Power Models 1210 and 1220. For additional information regarding uncompensated sensors, please contact the factory. DIMENSIONS STANDARD RANGES Range 0 to 1 0 to 10 psi in H2O 1-24 TO-8 - Low Pressure PC Board Mountable Pressure Sensor PERFORMANCE SPECIFICATIONS Supply Current: 1.5mA Ambient Temperature: 25C (Unless otherwise specified) PRESSURE RANGE 0 - 1 psi PARAMETERS Full Scale Output Span Zero Pressure Output Pressure Non-linearity Pressure Hysteresis Input & Output Resistance Temperature Error - Span Temperature Error - Zero Thermal Hysteresis - Zero Supply Current Response Time (10% TO 90%) Output Noise Output Load Resistance Insulation Resistance (50 VDC) Long Term Stability Pressure Overload Operating Temperature Storage Temperature Media Weight Notes 1. Output span of unamplified sensor. 2. For most models, compensation resistors are in an integral part of the sensor package; no additional external resistors are required. Test pins must be kept open. Best Fit Straight Line. Temperature range: 0-50C in reference to 25C. -40C to +125C -50C to +150C 2 50 0.2 20 2500 0.1 0.01 4400 0.5 0.5 0.1 1.5 1.0 1.0 2 50 2.0 MIN 75 TYP 100 MAX 150 2 0.25 0.05 6000 1.0 1.0 2500 MIN 25 Models 22, 23 Low Pressure 0 - 10 in H2O TYP 35 MAX 50 2 0.05 0.01 4400 0.5 1.0 0.2 1.5 1.0 1.0 2.0 0.1 0.1 6000 1.0 3.0 UNITS mV mV % Span % Span % Span % Span % Span mA mS V p-p M M 0.5 20 % Span/yr psi 8 5 6 4, 5 4, 5 4 NOTES 1 2 3 Non-corrosive Gases Compatible with Wetted Materials 3 Grams 9 5. 6. 7. 8. 9. For a zero-to-full scale pressure step change. 10 Hz to 1 kHz. 0-10" Water column performance is based on testing at 1 psi full scale pressure. Between case and sensing element. Wetted materials are glass, ceramic, silicon, RTV, nickel, and aluminum. 3. 4. CONNECTIONS M od el 2 2 ORDERING INFORMATION 23A - 001 G Type (G = Gage) Pressure Range (001 or 10WC) (1 psi or 10" H2O) Model (23 or 22) (with or without gain set) APPLICATION SCHEMATIC Mo d el 2 3 April 2000 TO-8 - Low Pressure 1-25 |
Price & Availability of 22A-10WCG
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