Pressure Sensors Gage and Differential/Unamplified-Noncompensated Basic Sensors 4s FEATURES @ Lowest priced pressure sensor Miniature package Variety of gage pressure port configu- rations - easily and quickly modified for your special needs 24PC SERIES PERFORMANCE CHARACTERISTICS at 10.0 +0.01 VDC Excitation, 25C Min. Typ. Max. Units Excitation _ 10 12 VDC Null Offset 30 0 +30 mV Null Shift, 25 to 0, 25 to 50C ~ +2.0 _ mV Linearity, P2 > Pi, BFSL _ +0.25 +1.0 % Span Sensitivity Shift, 25 to 0, 25 to 50C _ +5.0* _ %Span Repeatability & Hysteresis _ +0.15 _ % Span Response Time _ 1.0 msec Input Resistance _ 5.0K _ ohms Output Resistance _ 5.0K _ ohms Stability over One Year _ +0.5 _ %Span Weight _ 2 _ grams ENVIRONMENTAL SPECIFICATIONS Operating Temperature 40 to +85C (-40 to +185F) Storage Temperature -55 to +100C (67 to +212F) 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 and fluorosilicone seal 24PC SERIES ORDER GUIDE Pressure Range psl 24PCE Type 0.5 24PCA Type 1.0 24PCB Type .0 24PCC Type 15 24PCD Type 30 24PCF Type 100 24PCG 250 * Non-compensated pressure sensors, excited by constant current instead of Span, mV Typ. 24 35 30 45 85 165 240 156 145 225 330 225 212 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 sen- sor'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. 10 Honeywell MICRO SWITCH Sensing and Control @ 1-800-537-6945 USA e + 1-815-235-6847 International e 1-800-737-3360 Canada Constani Curreat > 24PC Series pe foe Choice of termination for gage sensors 2mAconstant current excitation signif- icantly reduces sensitivity shift over temperature * Can be used to measure with vacuum or positive pressure fliate F J23- 77823 723 - 72S G 73)- 626 / 639 4 bgo / GS! . 663 / 675 ~ 637/ &9F > Po5/ V7 - 729/730 Sensitivity mV/psi Overpressure Typ. psi Max. 70 20 45 20 23 20 15 45 1i 60 2.25 200 0.85 500 Constant Current Excitation Schematic at R2 wie wt el] y Shust Resistor mg tor High Temperature Correction do @ @! | | | Pressure Sensors @ Gage and Differential/Unamplified-Noncompensated 24PC Series SENSOR SELECTION GUIDE e 2 4 PC A F* A 2 G Product Circuit Pressure Pressure Type of Type of Termination Pressure Family Type Transducer Range Seal Port Style Measurement 2 20PC 4 Noncom- A1 psi F Fluorosilicone A Straight 11ix4 G Gage family pensated B5psi- B Barbed 22x2 D Differential C 15 psi C Luer D 30 psi D Modular E 0.5 psi H M5 Thread F 100 psi 190 Port G 250 psi J Needle M % - 28 UNF Thread Example: 24PCAFA2G Standard, non-compensated 1 psi sensor with fluorosilicon *Other media seal materials may be available. ACCESSORIES SELECTION GUIDE Description @ seal, straight port, 2 x 2 terminals, and Gage pressure measurement. Not all combinations are established. Contact 800 number before final design. The following listings are typically stocked in small quantities. Steel lockring (Included with Part Style A, 1 x 4 terminals only) PC10182 Pc10949 Single hole plastic bracket (Must be Separately ordered) Lm 3 ry } 3 = 3 a Honeyweil e MICRO SWITCH Sensing and Control 1-800-537-6945 USAe + 1-815-235-6847 International e 1-800-737-3360 Canada 1 Tee emg ere aR Re a ont tg me EEO O Re ee ee owe TE NSN ANY AN I AAT YC NS AON en errr eee ne eee ete etethoatePressure Sensors 24PC Series Gage and Differential/Unamplified-Noncompensated . Basic Sensors FEATURES Lowest priced pressure sensor Choice of termination for gage sensors Miniature package 2mA constant current excitation signit- Variety of gage pressure port configu- icantly reduces sensitivity shitt over rations - easily and quickly modified for ternperature* your special needs : e Can be used to measure with vacuum rd or positive pressure 7 24PC SERIES PERFORMANCE CHARACTERISTICS at 10.0 +0.01 VD Excita- tion, 25C Min. Typ. Max, Units Excitation - 10 12 VOC Null Shift, 25* to 0, 25 to S0C - +0.5 mv Null Offset -30 0 +30 mv Linearity, P2 > P1, BFSL - *0.25 _ % Span Sensitivity Shift, 25 to 0, 25 to 50C - +5.0* -- % Span Repeatability & Hysteresis _ +0.15 _ % Span Response Time - - 1.0 msec Input Resistance _ 5.0K _ ohms Output Resistance o 5.0K ohms Stability over One Year --- +0.5 _ % Span Weight _ 2 _ grams * Can be significantly reduced with constant current excitation (2 mA). ENVIRONMENTAL SPECIFICATIONS Operating Temperature 40 to +85C (-40 to +185F) Storage Temperature ~55 to +100C (-67 to +212F) 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 and fluorosilicone seal 24PC SERIES ORDER GUIDE Pressure Sensitivity Linearity, Range mvV/psi Overpressure % Span psi in. . . Typ. psi Max. P2 > P1 Max. 24PCE Type 0.5 24 35 46 70 20 $1.0 24PCA Type 1.0 30 45 60 45 20 +1.0 24PCB Type 5.0 85 115 145 23 20 +1.0 24PCC Type 15 165 225 285 15 45 +1.0 24PCD Type 30 240 330 420 11 60 #1.0 24PCF Type 100 156 225 294 23 200 21.0 24PCG 250 145 212 280 0.85 500 +1.0 *Non-compensated pressure sensors, excited by constant current instead of Constant Current Excitation Schematic voltage, exhibit temperature compensation of Span. Application Note #1 briefly discusses current excitation. 24PC Series sensors were tested over four different current excitation levels. When compared to voltage excitation data, the 2 mA units exhibited an improvement in Span performance over temperature of 7 to 1, without adding any extra components. Rie ne , Constaat Curent fy, nso Stel Resistor Source tor Higa Tamparature Constant current excitation has an additional benefit of temperature mea- Gwowvercs Rey | erection surement. When driven by a constant current source, a silicon pressure sen- sor's terminal voitage will rise with increased temperature. The rise in voltage not only compensates the Span, but is also an indication of die temperature. 8 Honeywell e MICRO SWITCH Sensing and Control For application help call 1-800-537-6945.Pressure Sensors 24PC Series Gage and Differential/Unamplified-Noncompensated . SENSOR SELECTION GUIDE 2 4 Pc A Fr A 2 G Product Circuit Pressure Pressure Type of Type of Termination Pressure Family Type Transducer Range Seal Port Style Measurement 2 20PC 4 Standard, Al psi F Flucrosilicone A Straight 11x4 G Gage family non-compen- B 5 psi B Barbed 22x2 D Differential sated C 15 psi C Luer D 30 psi D Modular E05 psi H M5 Thread F 100 psi 190 Port G 250 psi J Needle M % - 28 UNF Thread 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. ACCESSORIES SELECTION GUIDE Not all combinations are established. Contact 800 number before final design. alog The foliowing listings are typically : Description stocked in small quantities. PC10182 Steel lockring (Included with Port Style A, 1 x 4 terminals only) 24PC ORDER GUIDE PC10949 Single hole plastic bracket (Must be separately ordered) 24PCAFA1D 24PCAFAIG 24PCBFAID 24PCBFAIG 24PCCFAID Ca J is) } 3 = a 24PCCFAIG a 24PCDFAi1D 24PCDFAIG 24PCEFA1ID 24PCEFAIG 24PCFFAIG 24PCFFMIG 24PCGFAIG 24PCGFFM1G For application help: call 1-800-537-6945 Honeywell e MICRO SWITCH Sensing and Control 9~asmg Pressure Sensors 24/26PC Series Gage and Differential/Unamplified MOUNTING DIMENSIONS (for reference only) GAGE SENSOR ( Pressure is applied to port P2. Port P1 vents to ambient pressure. 1x 4" Termination (Style 1), Port Style A, Straight Pin 1 is notched, and is shown at the right of the package. Pin 2 is next to pin 1, etc. 2x 2 Termination (Style 2), Port Style A, Straight Pin 1 is notched, and is shown at lower right corner. Pins 2, 3 and 4 are clockwise. PS P4 B12 | f ' Z Os h . 912 5,1 ual BO Dea Z.05 \ / 020 | 2 HD - 1 B25 e 80 @ 20 Ne ' iw , a D64 T ua t F P2 B.25 10,2 | | 2,79 40 110 r rh 23 wx 04 | ax 08 | 86 279 3x 2.5 0.91 O, O 1.10 ( 3x 10 036 | if { | | | ; 4X 14,0 4X 0,41 ae | oe | Tare 2] 08 A q 86 <x 0,41 iy 20 36 4X O16 Fo - -|- Ht Pe 12.7 12,7 [a7 50 50 06 ACCESSORIES ( DIFFERENTIAL SENSOR . Lockring (included with A port) Straight Port, 1x 4 termination (Style 2) ONLY PC10182 BLACK FINISH Port P1 is near terminals. STEEL LOCKRING B12 26.4 iL4 B05 8.25 \/ ; wa tT @e = Single hole Plastic Bracket (purchase separately) mt PC10949 D5. 2.79 B20 MO ern 2.3 3X 2.5 | CFL 3X 410 4% 10 13 | 4x .04 r-4 05 4X 0.5 - 4X 02 ag a5 1 218 25 01 | 36 34,4 0 I 5.3 A | n 135 4X 0,41 20 Li 4x 016 IP oH Dual Port Plastic Bracket (purchase separately) 17 PC15015 .06 24 en _ iF) 12,7 Sey 50 . 24 Z 100 12. Honeywell MICRO SWITCH Sensing and Control For application help: call 4-800-537-6945. j