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NPH-8-200-G-H Datasheet(PDF) 2 Page - Amphenol Corporation |
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NPH-8-200-G-H Datasheet(HTML) 2 Page - Amphenol Corporation |
2 / 4 page NPH Series Specifications An integrated circuit silicon sensor chip is housed in a standard TO-8 electrical package that is printed circuit board mountable. The latest techniques in micromachining have been used to ion-implant piezoresistive strain gauges into a wheatstone bridge configuration that is integrally formed on a micromachined silicon diaphragm. As with all NovaSensor silicon sensors, the NPH Series employs SenStable® processing technology, providing excellent output stability. Constant current excitation to the sen- sor produces a voltage output that is linearly propor- tional to the input pressure. The user can provide standard signal conditioning cir- cuitry to amplify the 100 mV output signal. The sensor is compatible with most non-corrosive gases and dry air. A laser-trimmed, thick-film resistor network on a hybrid ceramic substrate provides temperature compensation. Description Parameter Value Units Notes General Pressure Range 0 to 15 psi (0 to 1 bar) 0 to 100 kPa 0 to 30 psi (0 to 2 bar) 0 to 200 kPa 0 to 100 psi (0 to 7 bar) 0 to 700 kPa Maximum Pressure 4x rated pressure (8) Electrical @ 77°F (25°C) Unless Otherwise Stated Input Excitation 1.5 mA 2 mA maximum Insulation Resistance 108 Ω @ 50 VDC Input Impedance 4000 Ω ±20% Output Impedance 5000 Ω ±20% Bridge Impedance 5000 Ω ±20% Environmental Temperature Range Operating(9) Compensated Vibration Shock Life (Dynamic Pressure Cycle) –40 to 257 32 to 158 10 100 1 x 106 °F °F gRMS g cycles (-40°C to 125°C) (0°C to 70°C) 20 to 2000 Hz 11 milliseconds Mechanical (1) Weight <0.2 oz (<5 g) Media Compatibility Non-corrosive gases and clean, dry air Wetted Materials Top Port Bottom Port Nickel, gold plated Kovar, silicone gel, gold wire, RTV, silicon and glass. Gold plated Kovar, silicon, glass and RTV (10) Parameter Units Min. Type Max. Notes Performance Parameters(7), Compensated(1), 100, 200 and 700 kPa Offset mV –2 1 2 Full Scale Output mV 75 100 125 2 Linearity %FSO –0.1 0.05 0.1 3 Hysteresis and Repeatability %FSO –0.05 0.01 0.05 Thermal Accuracy of Offset 100 kPa %FSO –0.6 0.4 0.6 4 200 and 700 kPa %FSO –0.5 0.2 0.5 4 Thermal Accuracy of FSO 100 kPa %FSO –0.6 0.4 0.6 4 200 & 700 kPa %FSO –0.5 0.2 0.5 4 Thermal Hysteresis %FSO –0.1 0.05 0.1 5 Short-Term Stability of Offset µV/V 5 6, 11 Short-Term Stability of FSO µV/V 5 6, 11 1. Performance with offset , thermal accuracy of offset , and thermal ac- curacy of FSO compensation resistors. 2. FSO with 1.5 mA input excitation. 3. Best fit straight line. 4. 32°F to 158°F (0°C to 70°C) with reference to 77°F (25°C) 5. 32°F to 158°F (0°C to 70°C), by design. 6. Normalized offset/bridge voltage—100 hrs, typical value, not tested in production. 7. All values at 77°F (25°C) and at 1.5 mA, unless otherwise noted. 8. Topside pressure. Backside pressure maximum pressure is 250 psi (17.23 bar) or 4x rated pressure, whichever is less. 9. Reduced performance outside compensation range. 10.Backside differential tube is nickel or Kovar. 11.Typical specifications are for reference only; absolute values may vary. |
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