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| Models 36, 37 UltraStableTM Medical Instrumentation PC Board Mountable Pressure Sensor 0-100 mV Output Gage Pressure Wide Temperature Range Calibration Process Control Factory Automation Air Flow Management Leak Detection DESCRIPTION The Models 36 and 37 are high performance, temperature compensated, piezoresistive silicon pressure sensors packaged in a differential TO-8 configuration. They provide excellent performance and long-term stability. Differential pressure ranges from 0-15 PSI to 0-250 PSI are available. Integral temperature compensation is provided over a range of -20C to +85C using laser-trimmed resistors. An additional laser-trimmed resistor is included in the Model 37 to normalize pressure sensitivity variations by programming the gain of an external differential amplifier. This provides sensitivity interchangeability of 1%. Please refer to the low pressure section for information on products with operating pressures less than 0-2 PSI. For an uncompensated sensor (Model 35) please contact the factory for FEATURES TO-8 Package -20C to +85C Compensated Temperature Range 0.1% Non-linearity 0.5% Temperature Performance 1.0% Interchangeable Span (provided by gain set resistor) Solid State Reliability Low Power additional information. DIMENSIONS STANDARD RANGES Range 0 to 15 0 to 30 0 to 50 0 to 100 0 to 250 psid 1-42 TO-8 - Wide Temperature Range PC Board Mountable Pressure Sensor PERFORMANCE SPECIFICATIONS Supply Current: 1.5mA Ambient Temperature: 25C (Unless otherwise specified) PARAMETERS Full Scale Output Span, (without gain set resistor) Zero Pressure Output Pressure Non-linearity Pressure Hysteresis Input Resistance Temperature Error - Span Temperature Error - Zero Temperature Coefficient - Resistance Thermal Hysteresis - Zero Short Term Stability of Offset Short Term Stability of Span Long Term Stability of Offset Long Term Stability of span Supply Current Response Time (10% to 90%) Output Noise Output Load Resistance Insulation Resistance (50 VDC) Pressure Overload Operating Temperature Storage Temperature Media Weight -40C to +125C -50C to +150C 5 50 0.5 2500 0.05 0.01 3500 0.3 0.1 0.145 0.05 0.05 0.05 0.1 0.1 1.5 1.0 1.0 MIN 75 TYP 100 Models 36, 37 UltraStableTM MAX 150 2 0.1 0.1 4500 0.5 0.5 UNITS mV mV % Span % Span % Span % Span %/C % Span % Span % Span % Span % Span NOTES 1 3 2 3, 4 3, 4 4 4 11 11 12 12 5 6 7 8 13 9 2.0 mA msec V p-p M M 3X Rated Non-corrosive Gases Compatible with Wetted Materials 3 Grams 10 Notes 1. Output span of unamplified sensor. 2. Best Fit Straight Line. 3. For Models 36, 37, compensation resistors are an integral part of the sensor package; no additional external resistors are required. Pins 11 and 12 must be kept open. Model 37 is interchangeable only when used with a gain stage as shown in the Gain Set Circuit. 4. Temperature range: -20C to +85C in reference to 25C. 5. Guarantees input/output ratiometricity. 6. For a zero-to-full scale pressure step change. 7. 8. 9. 10. 11. 12. 13. 10 Hz to 1 kHz. Prevents increase of TC-Span due to output loading. 3X or 500 psi maximum, whichever is less. 20 psi for 2 psi and 5 psi versions. Wetted materials are glass, ceramic, silicon, RTV, nickel, and aluminum. Normalized offset bridge voltage: 7 days. 1 year. Between case and sensing element. CONNECTIONS Model 36 Model 37 APPLICATION SCHEMATIC ORDERING INFORMATION April 2000 TO-8 - Wide Temperature Range 1-43 |
Price & Availability of 36-250G
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