Omega Products PSW-181 User Manual
ECONOMICAL DIFFERENTIAL
PRESSURE SWITCHES/ALARMS
PSW-180 Series
1 to 45 psi
Models with 5 A Switch or
85 dB Audible Alarm
Starts at
$
85
PSW-181, PSW-182,
$85, shown smaller
than actual size.
PRESSURE SWITCHES
H
The PSW-180 Series differential
pressure switch offers a blend of
small size, excellent performance,
and environmental protection. The
PSW-180 is available with switch
contacts or as an audible alarm.
SPECIFICATIONS
Switch: SPDT rated at 5 A at
250/125 Vac, 5 A at 30 Vdc,
gold-clad contacts
Audible Alarm: Internal 9 Vdc battery
powered, continuous tone 85 dB
(battery included)
Repeatability: 1% of span
Ambient Temperature:
Storage: -30 to 80°C (-22 to 176°F)
Operating: 0 to 70°C (32 to 158°F)
PSW-183, PSW-184,
$95, shown smaller
than actual size.
Max Media Temp:
95°C (203°F) @ 100 psi
Vibration: MIL STD 810C, 2.5 g
5 to 500 cps
Shock: 15 g, 10 ms duration
Working Pressure:
0 to 150 psid at up to 70°C (158°F)
air temperature
Differential Proof Press.: 150 psid at
up to 70°C (158°F) air temperature
Enclosure:
NEMA 4 (IP65), reinforced polyester
body, zinc-plated steel cover with
neoprene gasket, terminal block wiring
Not suitable for vacuum
on low side (piston not
attached to diaphragm).
Adjustment: Multiturn screw,
accessible from outside enclosure
Pressure Port:
1
⁄4 FNPT brass, 1⁄4 NPSF polysulfone
Dimensions:
Polysulfone: 70 W x 60 D x 89 mm H
(2.75 x 2.38 x 3.5")
Brass: 80 W x 60 D x 89 mm H
(3.13 x 2.38 x 3.5")
Weight: Approx. 165 g (5.8 oz)
MOST POPULAR MODELS HIGHLIGHTED!
To Order (Specify Model Number)
1
⁄4 NPSF
POLYSULFONE
MODELS WITH 5 AMP SWITCH
PSW-181 $85 PSW-183 $95 1.0 9.0 2.0 10.0 5 A SPDT 0.75
PSW-182 85 PSW-184 95 4.0 43.5 5.5 45.0 5 A SPDT 1.0
MODELS WITH 85 dB AUDIBLE ALARM
PSW-186 $95 PSW-188 $110 4.0 43.5 5.5 45.0 N/A 1.0
Comes complete with operator’s manual.
Ordering Example: PSW-186, differential pressure switch with polysulfone process connection and internal audible alarm, $95.
PRICE PRICE ON FALL ON RISE SWITCH TYPICAL
1
⁄4 FNPT
BRASS
ADJUSTABLE RANGE (psid)
MIN MAX MIN MAX
DEADBAND
Recommended Reference Book: Systems for Planning and Control in Manufacturing,EE-2638, $50
See Section Y For Additional Books.
H-20
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EPG05
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