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pressure sensors 24pc series gage and differential/unamplified-noncompensated honeywell 1 sensing and control11-800-537-6945 usa1f1-815-235-6847 international11-800-737-3360 canada 11 basic sensors features 1 miniature package 1 variety of gage pressure port config- urations - easily and quickly modified for your special needs 1 operable after exposure to frozen conditions 1 ideal for wet/wet differential applications 1 choice of termination for gage sensors 1 2 ma constant current excitation signif- icantly reduces sensitivity shift over temperature * 1 can be used to measure vacuum or positive pressure 24pc series performance characteristics at 10.0 0.01 vdc excitation, 25 c min. typ. max. units excitation --- 10 12 vdc null offset - 30 0 + 30 mv null shift, 25 to 0 , 25 to 50 c --- 2.0 --- mv linearity, p2 > p1, bfsl --- 0.25 1.0 % span span shift, 25 to 0 , 25 to 50 c --- 5.0* --- % span repeatability & hysteresis --- 0.15 --- % span response time --- --- 1.0 msec input resistance 4.0 k 5.0 k 6.0 k ohms output resistance 4.0 k 5.0 k 6.0 k ohms stability over one year --- 0.5 --- % span weight --- 2 --- grams environmental specifications operating temperature - 40 to + 85 c ( - 40 to + 185 f) storage temperature - 55 to + 100 c ( - 67 to + 212 f) shock qualification tested to 150 g vibration qualification tested to 0 to 2 khz, 20 g sine media (p1 & p2) limited only to those media which will not attack polyetherimide, silicon, fluorosilicone, silicone, epdm and neoprene seals. 24pc series order guide span, mv catalog listing pressure range psi min. typ. max. sensitivity mv/psi typ. overpressure psi max. 24pce type 0.5 24 35 46 70 20 24pca type 1.0 30 45 60 45 20 24pcb type 5.0 85 115 145 23 20 24pcc type 15 165 225 285 15 45 24pcd type 30 240 330 420 11 60 24pcf type 100 156 225 294 2.25 200 24pcg type 250 145 212 280 0.85 500 * non-compensated pressure sensors, excited by constant current instead of voltage, exhibit temperature compensation of span. application note #1 briefly discusses current excitation. constant current excitation has an additional benefit of temperature mea- surement. when driven by a constant current source, a silicon pressure sensor's terminal voltage will rise with increased temperature. the rise in voltage not only compensates the span, but is also an indication of die temperature. constant current excitation schematic unamplified
pressure sensors 24pc series gage and differential/unamplified-noncompensated 12 honeywell 1 sensing and control11-800-537-6945 usa1f1-815-235-6847 international11-800-737-3360 canada sensor selection guide 24 pca f* a 2 g product circuit pressure pressure type of type of termination pressure family type transducer range seal port style measurement 2 20pc family 4 noncom- pensated a 1 psi b 5 psi c 15 psi d 30 psi e 0.5 psi e epdm f fluorosilicone n neoprene s silicone a straight b barbed c luer d modular h m5 thread f 100 psi i 90 t port g 250 psi j needle k reverse 98 port l 1/4 - 28 unf w/cable lock m 1/4 - 28 unf w/o cable lock s manifold 1 1 x 4 (.400 n ) 2 2 x 2 6 1 x 4 (.600 n ) g gage d differential example: 24pcafa2g standard, non-compensated 1 psi sensor with fluorosilicone seal, straight port, 2 x 2 terminals, and gage pressure measurement. *other media seal materials may be available. see accessory guide, page 27. not all combinations are established. contact 800 number before final design.
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