Omega Products PSW845-2 User Manual

7 to 250 psi

0.25 A SPDT Switch

PSW845 Series

ECONOMICAL DIFFERENTIAL PRESSURE SWITCH

PSW845-1 shown actual size.

The PSW845 is a rugged differential pressure switch, with excellent bypass characteristics. It is able to handle a variety of media to 6000 psig. The PSW845 can be mounted in any orientation, and is capable of withstanding light to moderate mechanical shock and vibratory loads.

SPECIFICATIONS

Switch: SPDT, rated 0.25 A @

120 Vac/175 Vdc

Pressure Ratings: Vacuum: to 6000 psig Differential Pressure: to 2000 psid Proof: 9000 psig Wetted Parts: Steel spring, anodized

aluminum piston, body and fitting, Buna seal, Loctite #271 sealing compound

Fitting: Electrical Connection: 300 mm (12")

pigtail leads, 24 AWG Ambient Temperature: -54 to 107°C

(-65 to 225°F); setpoint change of up to 2% of sensor capacity may be anticipated when switch is used below

-23°C or above 52°C

Cycling: Not to exceed 20 cycles/min Dimensions:

102 L x 38.1 H x 31.8 mm D (4 x 1.5 x 1.25")

Weight: Approx 241 g (8.5 oz)

⁄

4-18 NPT female

ADJUSTABLE SCREW 32 (1.25)

(1.50)

+–

76 (3.00)

102 (4.0) max

Dimensions: mm (inch)

1" HEX 1/4 NPT

To Order Visit omega.com/psw845 for Pricing and Details

ADJUSTABLE RANGE (psid)

MODEL NO. DECREASING INCREASING REPEATABILITY

PSW845-1 2 to 7 7 to 13 ±2 psi PSW845-2 5 to 16 13 to 25 ±4 psi PSW845-3 10 to 21 25 to 45 ±8 psi PSW845-4 20 to 80 35 to 160 ±16 psi PSW845-5 35 to 120 120 to 250 ±32 psi

Comes complete with operator’s manual. Ordering Example: PSW845-3, differential pressure switch with 25 to 45 psi range.

H-19