26918 Gems Sensors Inc, 26918 Datasheet
26918
Manufacturer Part Number
26918
Description
Flow Switch
Manufacturer
Gems Sensors Inc
Series
FS-925r
Datasheet
1.26917.pdf
(1 pages)
Specifications of 26918
Pressure Max
68bar
Accuracy
+/-10%
Contact Voltage Ac Max
250V
Operating Pressure Range
1000psig Max.
Peak Reflow Compatible (260 C)
No
Circuitry
SPDT
Body Material
Brass
Port Size
0.25"
Contact Current Ac Max
500mA
Flow Settings
1GPM (US)
Mounting Type
Conduit
Rohs Compliant
No
Connection Size
1/4"
Accuracy %
10%
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
FS-925E 0.4 - 6.0 (l/min)
FS-926E 0.05 - 0.3 (l/min)
Type code:
Set points:
(l/min) (0.4), (1.0), (2.0), (3.0), (4.0), (6.0)
Type code:
Set points:
(l/min) (0.05), (0.1), (0.15), (0.2), (0.25), (0.3)
Housing material:
Electr. connection:
Type of contact:
Note: For mineral oil applications please order brass piston instead of polysulfone piston, -GE169 to
the number e.g. FS-925E-0.4-M-P-W-GE169
These two series of precision-calibrated switches provides reliable and consistent
performance; repeatability is within 1%. FS-925E and FS-926E units are factory preset
for actuation at specified flow rates.
These switches provide accurate detection of excessive or insufficient flow rates in
such applications as: protecting against loss of fluid flow in hydraulic systems,
assuring proper coolant flow in semiconductor processing equipment, monitoring high
pressure lubrication systems, and ensuring proper air flow in water/waste systems.
Specifications
Max. flow
Max. operating pressure
Proof pressure
Temperature range
Set points (l/min)
Switching function
Mounting orientation
Factory calibration position
Repeatability
Adjustment accuracy
Hysteresis
Mounting
Electrical connections
Enclosure
Electrical data contact rating
Weight
How to Order for FS-925E / FS-926E
Pressure Drop Diagram
(related to increasing flow) NC, NO, SPDT
with set point adjustment
FS-925E
Piston release flow
Flow Q (l/min)
(all data related to water at +20°C)
Brass
Stainless Steel
Cable
Terminal box
Plug connector
NO
NC
SPDT
FS-925E
12 l/min
68 bar
100 bar
- with Polysulfone piston (standard), with cable, with plug
connector: -20 °C...+80 °C
- with metal piston and terminal box: -20 °C...+150 °C
0.4; 1.0; 2.0; 3.0; 4.0; 6.0
any position
vertical, inlet port down, electrical connection up
± 1%
±10%
max. 15%
G 1/4"
- cable: PVC, 2 or 3 x 0.34 mm2 (length: approx. 1 m)
- plug connector per DIN 43650
- terminal box
- IP 65
- SPST (NC/NO): max. 100 VA, 3 A, 220 V~
- SPDT: max. 20 VA, 0.5 A, 250 V~
0.5 kg
(at min. set point adjustment)
FS-926E
FS-925E-
FS-926E-
M
C
P
K
S
S
O
W
Piston release flow
with pre-adjusted set points
with pre-adjusted set points
FS-926E
3 l/min
68 bar
100 bar
0.05, 0.1, 0.15; 0.1; 0.25; 0.3
NC, NO, SPDT
any position
± 1%
±10%
max. 20%
G 1/4"
IP 65
0.5 kg
Flow Q (l/min)
-
-
Housing:
Piston:
Spring:
O-Ring
Dimensions (in mm)
Terminal Box
Plug Connector
Wiring Diagram
SW19
25
white
brown
white
brown
green
Brass or Stainless Steel
Polysulfone* or Stainless Steel
Stainless Steel
Vitton®
1
2
1
2
3
Pin number of the plug connector
NC/NO
SPDT
47
50
45
22
(* option Brass)
30
61
Pg9
27
6.5
G1/4"
INLET
SWITCHES
FLOW
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