E1S0 pages
Index: E / 923-1503
Diaphragm Seal Piston Press. Switches
Type E1S
Mechanical single switch
Repeatability ±2.0 % at constant temperature
Features
Diaphragm seal piston pressure switch,
scale for setpoint reference
Adjustment ranges
-0.28 ... -0.9 bar, vacuum
0.1 ... 34 bar, pressure
Applications
Machine and tool engineering,
Dosing machines,
Plant engineering,
Lubricant monitoring
Technical Data
NBR
Optional: FKM, PTFE, EPDM, CR
anodized aluminium
Optional: brass, polysulfone,
aluminium nickel-plated
Electrical connection:
Screw terminals
Electrical rating and
hysteresis:
Many micro switch versions with
different switching powers and
hysteresis are applicable and make
it possible to make customized
changes.
±1 % at constant temperature
Weight:
E1S-...: approx. 0.35 kg
Switching rate:
max. 20/min
Temperature range:
-30 °C... +70 °C
Set point adjustment:
Pressure switches:
Turn the adjustment screw
clockwise to increase the set point.
Protection class:
IP00
Housing:
Without housing for installation in
control panels
Vacuum switches:
Switching point lowers by turning
the adjustment screw clockwise.
Process connection:
Pressure switches:
1/4" NPT female
Optional:
1/8" NPT female +
1/2" NPT male (P6)
G1/4 female (P7)
1/4" NPT female (P4)
1/8" NPT female +1/2" NPT male
(P6)
Intrinsically safe:
The switches are designed for
intrinsically safe applications.
Please add "Exi" to your ordering
details when placing an order. To
comply with the intrinsically safe
approval following max. ratings
must not be exceeded:
Umax = 28 V
Imax = 50 mA
Approval:
---
Wetted parts:
Diaphragm:
Process connection:
Repeatability:
Vacuum switches (VAC):
Pressure Ranges
* Designed for 70 bar proof pressure, for practical production reasons, however, the standard proofing pressure is 30 bar.
Pressure range
code
Adjustment range [bar]
Increasing press.
Decreasing press.
15.
0.10 ... 1.0
0.04 ... 1.0
90.
0.80 ... 6.0
0.20 ... 5.0
250.
2.10 ... 17.0
500.
3.70 ... 34.0
-0.28 ... -0.9
Max. operating
pressure [bar]
Proof pressure
[bar] *
Max. hysteresis of switch
types in bar (end of range)
(short term)
H, GH [bar]
M, [bar]
46.
30 / 70
0.08.
0.080.
46.
30 / 70
0.55.
0.680.
0.70 ... 16.0
46.
30 / 70
1.37.
1.440.
1.72... 32.0
46.
30 / 70
1,93
2.750.
-0.20... -0.82
2.0.
-1.0
0.08.
0.077.
Pressure switches
Vacuum switches
VAC
Barksdale
Subject to technical changes.
1
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