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Pressure controls

936105 Liquid Flow switch DBSF
Flow Switch NEMA 4,  Stainless Steel
 

$169.99

936125 Air Flow Switch DBSL

Stainless Steel,  Air Flow Switch NEMA 4

$199.99

932413 Differential pressure switch

Differential adjustable range
1 psid (6.8 kPa) to 10 psid (69.0 kPa)
Max Pressure - 150 psi  (0-1034 kPa)

$199.99

937430 P74 A 30 psi
937460 P75 A 60 psi
Differential pressure switches for air or liquids 
The P74 Series of differential pressure switches measure the difference in pressure exerted upon its two sensing elements and operate a SPDT switch at the differential pressure setpoint. 

30 psi   $298.99 

60 psi   $299.99 

93S222
Low differential air pressure switches
Switches sense pressure, vacuum or differential pressure in applications including fan status, pump status, dirty filter monitoring, or frost build-up on coils.

 $59.99 

 

 

P10 Pressure Switches 3-20 psig (21-138 kPa)
The common terminal is red. The red-to-yellow terminals close an electrical circuit on a rise in pressure; the red-to-blue terminals close a circuit on a drop in pressure. 1/8" NPT with 1/4" barb

$99.99

Low differential air pressure transmitters

Pressure transmitters

 
Low differential air pressure transmitters
Building static pressure, fan static pressure, filter differential pressure, and air velocity pressure are all common measurements in today's automated buildings.
  • Pressure ranges as low as 0.1" WC to as high as 25" WC
  • Industry standard 4-20 mA outputs, linear or square root
  • Powered by 24 VDC, 24 VAC or 120 VAC
  • Accuracy as low as +/-0.25% full scale
  • Transmitters with LED readout of pressure or flow and alarm contacts
  • Room pressure monitors for isolation, operating and clean rooms
T30 Two-wire loop powered differential pressure transmitter 4-20 mA output.
Ranges from 0-0.1" W.C. to 0-10" W.C.
$289.00 ORDER
T40-120 VAC or 24 VAC powered with Ranges from 0-0.1" W.C. to 0-10" W.C. $389.00 ORDER
XLdp Differential pressure transmitter . 0.25% Ranges as high as 25" W.C. $699.00 ORDER
ADT Miniature Static sensor ranges from 0.5 to 12" WC  4-20 mA output $199.00 ORDER

Pressure transmitters
Pressure ranges from 30" vacuum to 5000 psi
Gauge and differential pressures
Industry standard 4-20 mA and voltage outputs
Accuracy as high as +/-0.5% full scale
Transmitters with analog gauges or digital readouts

PSS2 - (0.4%) stainless steel pressure transmitters 4-20 mA
two-wire, Ranges from 15 to 1000 psi.
$299.00  ORDER
PTX1 stainless steel pressure transmitters ranges from 30"Hg
vacuum to 2000 psi. 4-20 mA two-wire loop powered 1% accuracy.
$349.00 ORDER
SA stainless steel pressure transmitters provide a 1-6 VDC output,
1% accuracy, Ranges from 100 psi to 5000 psi.
$339.00  ORDER
P100BTE - two-wire loop powered 4-20 mA pressure transmitters
housed in a polystyrene enclosure for general HVAC applications.
$329.00 ORDER
PVI -1 monitor air pressure in pneumatic control systems.
slim-Case housing with optional DIN rail mounting.
Outputs include voltage and 4-20 mA.
$259.00 ORDER

Prices and specifications subject to change without notice      Formulas

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