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Sensing and Control
Honeywell Inc.
11 West Spring Street
Freeport, Illinois 61032
Pressure Sensors
Gage and Differential/Unamplified-Noncompensated
Basic Sensors
FEATURES
Miniature package
Variety of gage pressure port config-
urations - easily and quickly modified
for your special needs
Operable after exposure to frozen
conditions
Ideal for wet/wet differential
applications
24PC Series
Choice of termination for gage sensors
2 mA constant current excitation signif-
icantly reduces sensitivity shift over
temperature *
Can be used to measure vacuum or
positive pressure
Unamplified
24PC SERIES PERFORMANCE CHARACTERISTICS at 10.0
±0.01
VDC
Excitation, 25°C
Min.
Excitation
Null Offset
Null Shift, 25° to 0°, 25° to 50°C
Linearity, P2
>
P1, BFSL
Span Shift, 25° to 0°, 25° to 50°C
Repeatability & Hysteresis
Response Time
Input Resistance
Output Resistance
Stability over One Year
Weight
---
−30
---
---
---
---
---
4.0 K
4.0 K
---
---
Typ.
10
0
±2.0
±0.25
±5.0*
±0.15
---
5.0 K
5.0 K
±0.5
2
Max.
12
+30
---
±1.0
---
---
1.0
6.0 K
6.0 K
---
---
Units
VDC
mV
mV
% Span
% Span
% Span
msec
ohms
ohms
% Span
grams
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature
Storage Temperature
Shock
Vibration
Media (P1 & P2)
−40°
to
+85°C
(−40° to
+185°F)
−55°
to
+100°C
(−67° to
+212°F)
Qualification tested to 150 g
Qualification tested to 0 to 2 kHz, 20 g sine
Limited only to those media which will not attack
polyetherimide, silicon, fluorosilicone, silicone,
EPDM and neoprene seals.
24PC SERIES ORDER GUIDE
Catalog
Listing
24PCE Type
24PCA Type
24PCB Type
24PCC Type
24PCD Type
24PCF Type
24PCG Type
Pressure
Range
psi
0.5
1.0
5.0
15
30
100
250
Span, mV
Min.
24
30
85
165
240
156
145
Typ.
35
45
115
225
330
225
212
Max.
46
60
145
285
420
294
280
Sensitivity
mV/psi
Typ.
70
45
23
15
11
2.25
0.85
Overpressure
psi Max.
20
20
20
45
60
200
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
Honeywell
Sensing and Control 1-800-537-6945 USA
1-815-235-6847 International 1-800-737-3360 Canada
11
Pressure Sensors
Gage and Differential/Unamplified-Noncompensated
SENSOR SELECTION GUIDE
2
Product
Family
2
20PC
family
4
Circuit
Type
4
Noncom-
pensated
PC
Pressure
Transducer
A
Pressure
Range
A
1 psi
B
5 psi
C
15 psi
D
30 psi
E
0.5 psi
F
100 psi
G
250 psi
F*
Type of
Seal
E
EPDM
F
Fluorosilicone
N
Neoprene
S
Silicone
A
Type of
Port
24PC Series
2
Termination
Style
G
Pressure
Measurement
G
Gage
D
Differential
A
Straight
1
1x4
B
Barbed
(.400 )
C
Luer
2
2x2
D
Modular
6
1x4
H
M5 Thread
(.600 )
I
90° Port
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
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.
12
Honeywell
Sensing and Control 1-800-537-6945 USA
1-815-235-6847 International 1-800-737-3360 Canada
Analog electronics
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