PRESSURE TRANSDUCERS
P-8505
INTERNAL STRUCTURE
2
1
3
4
Part name
6
5
7
Material
Silicone oil
Silicone
■
FEATURES
O
Double diaphragm structure
O
Built-in temperature compensation function (0 ~ 50 °C)
1
2
3
4
5
6
7
Sealed liquid
Sensor chip
Stainless steel diaphragm
SUS 316L
Housing
“O” ring
(S16)
Vent hole
Terminal pin
Fluoro-rubber
Iron + gold-plated
Copper + gold-plated
■
MODEL NUMBER DESIGNATION
P-8505 - 102 G
Series name
Pressure reference
G：Gauge
Rated pressure range
501：0 ~ 50 kPa
102：0 ~ 100 kPa
352：0 ~ 350 kPa
103：0 ~ 1000 kPa
■
LIST OF MODEL NUMBERS
Pressure reference
Rated pressure range
Model number
Gauge
0 ~ 50
P-8505-501G
0 ~ 100
P-8505-102G
0 ~ 350
P-8505-352G
0 ~ 1000
P-8505-103G
※Verify
the above model numbers when placing orders.
PRESSURE TRANSDUCERS
P-8505
■
STANDARD SPECIFICATIONS
●
Unless otherwise specified, the specs are defined at an ambient temperature of 25±5 °C and excitation current of 1.5 mA DC.
Item
Pressure reference
Rated pressure range
Maximum pressure
Break-down pressure
Model number
P-8505
501G
102G
Gauge
352G
103G
kPa
kPa
kPa
°C
°C
%RH
°C
50
100
150
100
200
300
−20
~ 70
350
700
1050
1000
2000
3000
General specifications
Operating temp. range
Compensated temp. range
Operating humidity
Storage temp.
Bridge resistance
Pressure medium
Insulation resistance
Dielectric strength
Sealed liquid
Net weight
0 ~ 50
35 ~ 85
（
No condensation
）
−20
~ 70
（
Atmospheric pressure, humidity 65 %RH maximum
）
3300
±
30 %
Corrosive gases/liquids compatible with SUS316L
M
minimum
100 (500 V DC)
500 V AC, 60 s
（
Leakage current 1 mA maximum
）
Silicone oil
g
mA DC
mV
mV
%F.S.
ZERO %F.S./°C
SPAN %F.S./°C
ms
Approx. 0.5
±
0.3
±
0.05
±
0.05
Approx. 10
1.5
（
Constant current
）
±
3
Power
Excitation current
Offset voltage
Span voltage
90
±
30
±
0.5
Analog output
Linearity/Hysteresis
Thermal error
(Reference temp.: 25 °C)
Response
Approx. 2
Approx. 0.1
Approx. 0.05
%F.S.
Gravitational effect
(From vertical position to horizontal position) max.
■
ENVIRONMENTAL CHARACTERISTICS
Test item
Vibration
Shock
Pressure cycling
Moisture resistance
Test conditions (At 25
±
5 °C)
10 ~ 500 Hz, 1.5 mm maximum/98.1 m/s
2
,
3 directions for 2 hours each
490 m/s
2
, 3 directions for 3 times each
0 ~ Rated pressure, 10
6
cycles
40 °C, 90 ~ 95 %RH, 240 hrs.
Offset voltage/Span voltage:
±
1 %F.S.
maximum each
Permissible change
※Can
be operated at vacuum pressure.
P-8505
PRESSURE TRANSDUCERS
■
OUTLINE DIMENSIONS
9.3
（SUS 316L）
Stainless steel diaphragm
2
7.2
6
Unless otherwise specified, tolerance :
±
0.5 (Unit: mm)
External diameter
φ
2.5
Internal diameter
φ
2
Terminal pin 5 –
φ
0.64
1
2
φ
17.9
φ
17.5
φ
14.5
φ
20
G
“O” ring
φ
1.5
（Fluoro-rubber）
Housing
(SUS 316L)
3.8
Extra
care should be taken with the
diaphragm part.
Do not touch the diaphragm directly to
avoid damaging the diaphragm.
P-8505
PIN
1
2
3
4
G
CONNECTION
Output
B
Output
C
Input
C
Input
B
Housing
■
INTERNAL ELECTRICAL SCHEMATICS
Resistors for temp. compensation
4 (+)
Input
G
3 (–)
1 (+)
Output
2 (–)
■
INSTALLATION EXAMPLES
O
An “O” ring S16 is supplied as accessory.
+0.05
Make the mounting bore diameter
φ
18.1
–0
and the surface-
roughness as 6.3 S (
½½½
).
O
Do not make the connector terminal side be airtight completely,
as the vent hole is at this side.
Applied press.
φ
18.1
+0.05
–0
10
5
3
4
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