1-28 to-8 ? low pressure model 43 low pressure pc board mountable pressure sensor 0-1 psi 0-100 mv output low cost temperature compensated medical instrumentation hvac factory automation process control avionics air flow management features solid state reliability 100mv output span interchangeable temperature compensated low power standard ranges range psi 0 to 1 description the model 43 is a temperature compensated, piezoresistive silicon pressure sensor packaged in to-8 configurations. it provides excellent performance and long-term 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 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 model 43 has a double bossed design that produces a high sensor output of 100 mv (typical) at 1 psi. the model 43 is also available in ranges up to 0-250 psi. for sensors in a dual-in-line package please refer to the models 1210 and 1220. for additional information regarding uncompensated sensors, please contact the factory. dimensions
pc board mountable pressure sensor model 43 low pressure to-8 ? low pressure 1-29 june 2001 performance specifications supply current: 1.5ma ambient temperature: 25c (unless otherwise specified) 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. 3. best fit straight line. 4. temperature range: 0-50c in reference to 25c. 5. for a zero-to-full scale pressure step change. 6. 10 hz to 1 khz. 7. between case and sensing element. 8. wetted materials are silicon, aluminum, gold, rtv, glass, gold, and nickel. connections ordering information application schematic parameters pressure range 0 - 1 psi units notes min typ max full scale output span 65 100 150 mv 1 zero pressure output 2mv2 pressure non-linearity 0.2 0.3 % span 3 pressure hysteresis 0.01 0.05 % span input & output resistance 2500 4400 6000 ? temperature error ? span 0.5 1.0 % span 4, 5 temperature error ? zero 0.5 1.0 % span 4, 5 thermal hysteresis ? zero 0.1 % span 4 supply current 1.5 2.0 ma response time (10% to 90%) 1.0 ms 5 output noise 1.0 v p-p 6 output load resistance 2 m ? insulation resistance (50 vdc) 50 m ? 7 long term stability 0.2 % span/yr pressure overload 10 psi operating temperature ?40 c to +125 c storage temperature ?50 c to +150 c media non-corrosive gases compatible with wetted materials 8 weight 3 grams 43a - 001 g type (g = gage) model pressure 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
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