Page 1
■
Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request.
COPAL ELECTRONIC
S
Oct,
2005
1
2
3
4
5
Part name Material
“O” ring (P18)
Sealed liquid
Sensor chip
Fitting
Stainless steel diaphragm
Pressure
1
5
3
2
4
SUS 316L
Fluoro-rubber
Silicone oil
Silicone
SUS 316
INTERNAL STRUCTURE
PS8
●
Solidstate pressure switch with no mechanical moving parts
● High corrosion resistance by double diaphragm structure
● Two pressure setting points
● Wide pressure medium compatibility
■ FEATURES
■ MODEL NUMBER DESIGNATION
P S 8 - 1 0 2 G
Series name
Rated pressure range
102 : 0 ~ 98.1 kPa {0 ~ 1 kgf/cm2}
352 : 0 ~ 343 kPa {0 ~ 3.5 kgf/cm
2
}
103 : 0 ~ 981 kPa {0 ~ 10 kgf/cm
2
}
Pressure reference
G : Gauge
V : Gauge (Vacuum)
PRESSURE SWITCHES
PS8
Pressure reference Gauge
0 ~ 98.1 {0 ~ 1} 0 ~ 343 {0 ~ 3.5} 0 ~ 981 {0 ~ 10} 0 ~ − 98.1 {0 ~ − 1}
Rated pressure range
kPa {kgf/cm2}
G 3/8(PF 3/8)
Pressure port
■ LIST OF MODEL NUMBERS
PS8-102G PS8-352G PS8-103G PS8-102V
❈ Verify the above model numbers when placing orders.
Page 2
■
Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request.
COPAL ELECTRONIC
S
Oct,
2005
No. of output
Output interface
Setting method
Adjustable range
2
NPN open collector output
Adjustable by VR
10 ~ 100 % of rated pressure
Accuracy
0 ~ 50 °C (Reference temp.: 25 °C)
Hysteresis
Switching capacity
Residual voltage
Response
30 V DC 80 mA maximum
0.8
Approx. 2
V maximum
ms
± 3
2% F.S. maximum
% F.S.
Display Red LED (lighted when output is ON.)
Switch output
PS8
PRESSURE SWITCHES
General specifications
Power
■ STANDARD SPECIFICATIONS
Item
Pressure reference
Rated pressure range
Maximum pressure
Break-down pressure
Operating temp. range
Compensated temp. range
Storage temp.
Operating humidity
Supply voltage
Pressure medium
Insulation resistanca
Dielectric strength
Sealed liquid
Pressure port
Net weight
Model number
PS8
102G 102V 352G 103G
Gauge
98.1 {1} − 98.1 {−1} 343 {3.5} 981 {10}
196 {2} 686 {7} 1961 {20}
294 {3} 1030 {10.5} 2941 {30}
Corrosive gases/liquids compatible with SUS 316L or SUS 316
Approx. 120
12 ~ 24 ± 10 %
100 (500 V DC)
500 V AC, 60 s (Leakage current 1mA maximum)
Silicone oil
G 3/8 (PF 3/8)
❈
0 ~ 50
35 ~ 85 (No condensation)
−
20 ~ 70 (Atmospheric pressure humidity 65 %RH maximum)
− 20 ~ 70
kPa {kgf/cm
2
}
kPa {kgf/cm
2
}
kPa {kgf/cm
2
}
°C
°C
%RH
°C
MΩ
minimum
g
V DC
Ripple content
Consumption current
10 % (P-P) maximum
20 mA
maximum
maximum
❈ : An “O” ring is supplied as accessory. (P18).
● Unless otherwise specified, the specs are defined at an ambient temperature of 25 ± 5 °C and excitation voltage of 12 V DC.
Page 3
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Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request.
COPAL ELECTRONIC
S
Oct,
2005
❈ : 2 switches show same performance.
PS8
PRESSURE SWITCHES
■ ENVIRONMENTAL CHARACTERISTICS
Test item
Test conditions (At 25 ± 5 °C)
Permissible change
Vibration
10 ~ 500 Hz, 1.5 mm maximum/98.1 m/s2, 3 directions for 2 hours each
981 m/s2, 3 directions for 3 times each (PS83: 490 m/s2)
0 ~ Rated pressure, 10
6
cycles
40 °C, 90 ~ 95 %RH, 240 hrs.
Switch output setting: ± 1%F. S. maximum
Shock
Pressure cycling
Moisture resistance
■ INTERNAL ELECTRICAL SCHEMATICS
■ OUTLINE DIMENSIONS Unless otherwise specified, tolerance : ± 0.5 (Unit: mm)
● PS8
● PS8-102V
● PS8-＊＊＊G
Wire color
Red
Green
White
Black
Shield
Connection
Power B
Output 1
Output 2
Common
Housing
■ SWITCHING OPERATION
2
1
Indicator
Power B
Load
Load
Pressure
Sensor
Main circuit
S.Output1
S.Output2
Common C
FG
φ
28
27
11
(50.2)
11 28.2
Housing
Indicator LED 1
Aluminum with
alumite finish
Indicator LED 2
)(
Stainless steel diaphragm (SUS 316L)
G 3/8 (PF 3/8)
(SUS 316)
“0” ring (P 18)
Fluoro – rubber
Hysteresis
ON
OFF
Set value
4-core shielded cable L = 600
φ
( 3.6) AWG26
ON
OFF
+100
0
Hysteresis
Set value–98.1 kPa Rated pressure10 % of rated pressure–9.8 kPa
P 1 P 2
Setting VR 1
Setting VR 2
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