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H-14
H
PRESSURE SWITCHES
HIGH PURITY, ALL STAINLESS STEEL
PRESSURE AND VACUUM SWITCHES
PSW-690 Series
Vacuum to 500 psi
Starts at
$
105
⻬ All Stainless Steel
Wetted Parts
⻬ Sensing Element
Capsule, Electron
Beam Welded
⻬ Helium Leak Tested
4 x 10
-9
STD CC/sec
⻬ External Pressure Scale
and Pointer For Easy Set
Point Adjustment
⻬ Available with
1
⁄4 VCR
Male or 1⁄8-27 NPT
Male Fittings
⻬ NEMA 4 Enclosure
⻬ Available with
1 or 5 A Switch
SPECIFICATIONS
Process Temp: -54 to 107°C
(-65 to 225°F); setpoint change of up to
2% of sensor capacity may be
anticipated when switch is used either
below -23°C or above 51°C
Cycling: Not to exceed 20 cycles/min,
1 million cycles
Proof Pressure: 150% max pressure
Wetted Parts: 17-7 pH electron beam
welded, 303 SS fitting
Enclosure: 303 Stainless Steel body,
zinc alloy with chromate finish locking
ring and switch housing, valox cap
Dimensions: 51 L x 29 mm Dia
(2 x 1.125") with NPT fitting;
60 L x 29 mm Dia (2.375 x 1.125")
with VCR fitting
Weight: Approx. 85g (3 oz)
Pressure Port:
1
⁄
8-27 MNPT or
1
⁄
4 VCR
Electrical: 300 mm (12") pigtail leads,
20 AWG, polyvinyl insulated
To Order
(Specify Model Number)
ADJUSTABLE RANGE SETPOINT MAX
MODEL NO. PRICE DECREASING INCREASING REPEATABILITY PRESSURE
GAGE PRESSURE SWITCHES 1/8 NPT FITTING (psig)
PSW-691-N[*] $105 0.8 to 28.5 1.6 to 30.0 ±0.6 30
PSW-692-N[*] 105 2.0 to 48.0 3.0 to 50.0 ±1.0 50
PSW-693-N[*] 105 3.0 to 96.5 4.5 to 100.0 ±2.0 100
PSW-694-N[*] 105 7.5 to 242.5 9.7 to 250 ±5.0 250
PSW-695-N[*] 105 15.0 to 485.0 20.0 to 500.0 ±10.0 500
GAGE PRESSURE SWITCHES 1/4 VCR FITTING (psig)
PSW-691-V[*] $115 0.8 to 28.5 1.6 to 30.0 ±0.6 30
PSW-692-V[*] 115 2.0 to 48.0 3.0 to 50.0 ±1.0 50
PSW-693-V[*] 115 3.0 to 96.5 4.5 to 100.0 ±2.0 100
PSW-694-V[*] 115 7.5 to 242.5 9.7 to 250 ±5.0 250
PSW-695-V[*] 115 15.0 to 485.0 20.0 to 500.0 ±10.0 500
VACUUM SWITCHES 1/8 NPT FITTING (inHg)
PSW-696-N[*] $105 1.6 to 27.0 2.7 to 28.2 ±1.2 29.9
VACUUM SWITCHES 1/4 VCR FITTING (inHg)
PSW-696-V[*] $115 1.6 to 27.0 2.7 to 28.2 ±1.2 29.9
Comes complete with operator’s manual.
[*] Specify “-1” for 1 A or “-5” for 5 A switch.
Ordering Examples: PSW-692-N1, switch for maximum system pressure of 30 psig with
1
⁄
8
NPT fitting and 1A switch, $105.
PSW-696-N5, switch with
1
⁄
8
NPT fitting and 5A switch, $105.
MOST POPULAR MODELS HIGHLIGHTED!
PSW-696-V5, $115,
shown actual size.
Wiring Code:
Pressure Switch: Black = Common,
Red = N/C, White = N/O
Vacuum Switch: Black = Common,
Red = N/O, White = N/C
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