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Sensing and Control
Honeywell Inc.
11 West Spring Street
Freeport, Illinois 61032
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Pressure Sensors 24PC Series
Gage and Differential/Unamplified-Noncompensated
Honeywell1 Sensing and Control11-800-537-6945 USA1F1-815-235-6847 International11-800-737-3360 Canada
11
Basic Sensors FEATURES
1Miniature package
1Variety of gage pressure port config-
urations - easily and quickly modified
for your special needs
1Operable after exposure to frozen
conditions
1Ideal for wet/wet differential
applications
1Choice of termination for gage sensors
12 mA constant current excitation signif-
icantly reduces sensitivity shift over
temperature*
1Can 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
Honeywell1 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 I90°Port
G 250 psi JNeedle
KReverse 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
(.400N)
2 2 x 2
6 1 x 4
(.600N)
G Gage
DDifferential
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.
