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ECONOMICAL BRASS
32
1/2 NPT Conduit
A
1/8 NPT Low Press
1/4 NPT High Press
500 (20) Pigtail Leads
(1.26)
PRESSURE SWITCHES
PSW-190 Series
10 to 3000 psi
The PSW-190 Series cylindrical
pressure switch has an epoxysealed electrical termination. This
rugged design enables the switch
to withstand harsh environments.
SPECIFICATIONS
Switch: SPDT, 5 A at 250 Vac or
30 Vdc gold-clad silver contacts for
loads down to 5 mA at 6 Vdc, 2 mA at
12 Vdc and 1 mA at 24 Vdc
Operating Ambient Range:
-20 to 75°C (-4 to167°F) with Buna-N
construction; -20 to 80°C (-4 to 176°F)
with FKM or EPDM construction
Media Temp: 70°C (158°F) with
Buna-N sensor; 120°C (248°F) with
FKM sensor
Wetted Parts:
Brass, O-ring and diaphragm
Repeatability:
PSW-191, 192, 195 and 196: ±1%
PSW-193, 194, 197 and 198: ±1.5%
Shock: Setpoint repeats
after 50 g 10 ms duration
Vibration: Setpoint repeats after
10 g, 5 to 500 cps
Enclosure and Cover: Aluminum with
irridite finish rated for 100 hr salt spray;
potted and gasketed for outdoor use
Pressure Connection:
PSW-191, 192, 195 and 196:
PSW-193, 194, 197 and 198:1⁄4 NPT
Weight: 128 g (4.5 oz)
Starts at
$
75
1
⁄8 NPT
See switch
accessories on page
H-37 for audible alarms
and relay modules.
PSW-196, $85,
shown actual size.
Dimensions: mm (in)
WIRE CODE
BLUE = N.O.
BLACK = N.C.
VIOLET = COM.
DIM. A
PSW-191, 192, 195, 196 = 103 (4.06)
PSW-193, 194, 197, 198 = 111 (4.37)
MOST POPULAR MODELS HIGHLIGHTED!
To Order (Specify Model Number)
MODEL NO. PRICE RANGE DEADBAND PRESSURE PRESSURE
Models with Buna-N O-Ring and Diaphragm
PSW-191 $75 10 to 150 psi 2 to 10 1500 3000
PSW-192 75 30 to 600 psi 8 to 60 2500 3000
PSW-193 75 100 to 1500 psi 20 to 220 8000 10,000
PSW-194 75 180 to 3000 psi 50 to 400 8000 10,000
Models with FKM O-Ring and Diaphragm
PSW-195 $85 11 to 150 psi 2.5 to 11.5 1500 3000
PSW-196 85 33 to 600 psi 9.5 to 69 2500 3000
PSW-197 85 110 to 1500 psi 23 to 253 8000 10,000
PSW-198 85 198 to 3000 psi 57.5 to 460 8000 10,000
Comes complete with operator’s manual.
Ordering Example: PSW-192, cylindrical pressure switch with a Buna-N O-ring and
diaphragm and an adjustable range of 30 to 600 psi, $75.
Recommended Reference Book: Mathmatics for Engineers and Technologists
EE-2682, $55. Visit omega.com/bobi for Additional Books
H-18
ADJUSTABLE TYPICAL MAX SYS PROOF
PRESSURE SWITCHES
H
,
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