pressure sensors 24pc series absolute unamplified noncompensated honeywell 1 micro switch sensing and control 1 1-800-537-6945 usa 1f 1-815-235-6847 international 1 1-800-737-3360 canada 13 features 1 absolute pressure measurement 1 miniature package 1 2-15 and 2-30 psi pressure ranges 1 2 ma constant current excitation signif- icantly reduces sensitivity shift over temperature* 24pc performance specifications accuracy specifications @ 10.0 .01 vdc excitation, 25 c parameter range min. typ. max. units psia bar excitation e 10 12 vdc null shift 2-15 1 2.0 4.0 mv 0 to 25 c, 25 to 50 c 2-30 2 2.0 5.5 linearity 2-15 1 .10 .20 % span b.f.s.l. p2 < p1** 2-30 2 .15 .30 sensitivity shift 0 to 25 c, 25 to 50 c all 5.0 6.5 % span repeatability & hysteresis all 0.5 % span input resistance 4.0 k 5.0 k 6.0 k ohms output resistance 4.0 k 5.0 k 6.0 k ohms weight e 2.0 e 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 compatibility limited only to those media which will not attack polyetherimide, silicon, fluorosilicone and silicone seals. *span: the algebraic difference between output end points **b.f.s.l.: best fit straight line 24pc absolute order guide catalog pressure null offset sensitivity over- listing range span, mv mv mv/psi pressure type psia min. typ. max. min. typ. max. typ. psia typ. 24pcc 2-15 - 140 - 200 - 260 - 46 - 16 + 14 15 45 24pcd 2-30 - 160 - 300 - 440 - 61 - 16 + 29 11 60 * 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 absolute unamplified noncompensated 14 honeywell 1 micro switch sensing and control 1 1-800-537-6945 usa 1f 1-815-235-6847 international 1 1-800-737-3360 canada 24pc series absolute pressure sensor output curve excitation schematic termination style style 6 - 1 x 4 pin 1 j vs ( + ) pin 2 j output ( + ) pin 3 j ground ( - ) pin 4 j output ( - ) pin 1 is notched pin 2 is next to pin 1, etc. sensor selection guide 2 4 pc c f** d* 6 a product circuit pressure pressure type of type of termination pressure family type transducer range seal port (p1) style measurement 2 20pc family 4 standard noncompensated c 2-15 psia 1 bar d 2-30 psia 2 bar f fluoro- silicone a straight d modular 6 1 x 4 (.600 n long) a absolute * port type refers to p1 ** media seal is on p1 side and will not be in contact with media example: 24pccfd6a non-compensated 15 psi absolute sensor with fluorosilicone seal, modular port, 1 x 4 terminals, .600 n long. see accessory guide, page 27. mounting dimensions (for reference only) a straight port d modular port
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