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D1S / D2S0 pages
Index: D / 923-1482
Metal Diaphragm Pressure Switches
Type D1S / D2S
Mechanical single/dual pressure switch
Repeatability ±1.0 % at constant temperature
Features
Metal diaphragm pressure switch
Wettet parts welded.
Direct action, no friction, high accuracy
Adjustment ranges
0.005 ... 10.3 bar and
-0.006 ... -1 bar (Vacuum)
Applications
Machine and tool engineering,
Autoclaves,
Pump control,
Refrigerant monitoring
Technical Data
Electrical connection:
Lead wire PVC 1.5 mm2,
length appr. 450 mm
Electrical ratings and
hysteresis:
A large variety of micro switches
offers different electrical
ratings and hysteresis for many
applications.
Without housing for installation
in control panels
Weight:
D1S-...: approx. 0.6 kg
D2S-...: approx. 0.7 kg
1/4" NPT female thread
Optional: 1/2" NPT female
thread (P2)
Set point adjustment:
Turn the adjustment screw
clockwise to decrease the set
point
Approval:
---
Wetted parts:
Stainless steel 17 - 7PH/SS304
Repeatability:
±1 % at constant temperature
Switching rate:
max. 20/min
Temperature range:
-40 °C... +75 °C
Protection class:
IP00
Housing:
Process connection:
Pressure Ranges
Pressure range
code
Adjustment range [bar]
Increasing press.
Max. operating
pressure [bar]
Decreasing press.
Proof pressure
[bar]
Max. hysteresis of switch
types in bar (end of range)
(short term)
H, GH [bar]
M, GM [bar]
Overpressure
2SS
0.005 ... 0.11
0.001 ... 0.11
0.15.
0.2.
0.004.
0.006.
3SS
0.012 ... 0.20
0.002 ... 0.196
0.5.
0.7.
0.004.
0.010.
18SS
0.050 ... 1.20
0.030 ... 1.20
3.0.
4.0.
0.010.
0.040.
80SS
0.300 ... 5.50
0.030 ... 5.30
8.0.
10.7.
0.110.
0.240.
150SS
0.500 ... 10.30
0.100 ... 9.90
15.0.
20.0.
0.180.
0.420.
3SS
-0.006 ... -0.20
-0.002 ... -0.196
0.15.
0.2.
0.004.
0.009.
18SS
-0.040 ... -1.00
-0.020 ... -0.970
0.5.
1.00.
0.020.
0.060.
Vacuum
Barksdale
1
"
