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Pressure Sensors
Pressure-to-Current/Amplified
249PC Series
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
55
FEATURES
1
Unidirectional gage pressure measure-
ment
1
2-wire, causes a 4-20 mA change in cur-
rent, linearly proportional to pressure
input
1
Screw-in or flat-pack mounting
1
Rugged die-cast aluminum housing
249PC SERIES PERFORMANCE CHARACTERISTICS at 24.0
±
0.01 VDC
Excitation, 25 Ohm Load, 25
°
C
Min.
10.0
---
Typ.
24.0
---
Max.
32.0
1.00
Units
VDC
msec
Excitation
Response Time
Supply Voltage Sensitivity 20-24 VDC and
24-28 VDC
Stability over One Year
Current Output
249PC15G at 3 psig
249PC15G at 15 psig
Null (0-100 & 0-250 psig)
Full pressure (0-100 & 0-250 psig)
Weight
Output Ripple
---
---
±
0.15
±
1.0
---
---
%Span
%Span
3.7
19.7
3.7
19.5
---
None, DC device
4.0
20.0
4.0
20.0
85
4.3
20.3
4.3
20.5
---
mA
grams
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature
Storage Temperature
Compensated Temperature
Shock
Vibration
Media
40
°
to
+
85
°
C (
40
°
to
+
185
°
F)
40
°
to
+
85
°
C (
40
°
to
+
185
°
F)
18
°
to
+
63
°
C (0
°
to
+
145
°
F)
MIL-STD-202, Method 213 (50 g, half sine, 6 msec)
MIL-STD-202, Method 204 (10 to 2000 Hz at 10 g)
P2 port Wetted materials; die-cast aluminum housing,
O-ring seal, silicon, borosilicate glass, and silicon-
to-glass bond*
*Liquid media containing some highly ionic solutions could potentially neutralize the chip-to-glass tube
bond.
249PC SERIES ORDER GUIDE, GAGE, Buna-N O-Ring Port Seal
Catalog
Listing
249PC15M*
249PC100G
249PC250G
*Adhesive between thermoplastic and aluminum instead of O-ring seal.
Pressure
Range
psi
3-15
0-100
0-250
Null & Sensitivity Shift
25 to 0
°
C, 25 to 50
°
C
Max.
±
1.0
±
1.0
±
1.0
Sensitivity
mA/psi
1.330
0.160
0.064
Overpressure
psi
%Span Max.
45
200
500
Linearity
& Hysteresis
%Span Max.
±
0.75
±
0.75
±
1.00
Repeatability
B.F.S.L.
Typ.
±
0.25
±
0.25
±
0.25
249PC SERIES ORDER GUIDE, GAGE, Ethylene Propylene O-Ring Port Seal
Catalog
Listing
249PC100GS
249PC250GS
Pressure
Range
psi
0-100
0-250
Null & Sensitivity Shift
25 to 0
°
C, 25 to 50
°
C
Max.
±
1.0
±
1.0
Sensitivity
mA/psi
0.160
0.064
Overpressure
psi
%Span Max.
200
500
Linearity
& Hysteresis
%Span Max.
±
0.75
±
1.00
Repeatability
B.F.S.L.
Typ.
±
0.25
±
0.25
A