Air Pressure Sensing Switch
£79.00 Exc. VAT
PTH is a series of pressure transducers that are ideal for monitoring and controlling pressure differentials in ventilation systems.
PTH transducers take up very little space and are designed for direct installation at the measuring point and are also compact and easy to install as there is ample room for attaching cables.
Description
Model AFS-222 Air Pressure Sensing Switch is a general-purpose proving switch designed for HVAC and Energy Management applications. It may be used to sense positive, negative, or differential air pressure. The plated housing contains a diaphragm, a calibration spring, and a snap-acting SPDT switch.
The sample connections located on each side of the diaphragm accept 6mm OD copper tubing via the integral compression ferrule and nut.
Specification
Mounting Position: Mount with the diaphragm in any vertical plane.
Set Point Range: 0.05 ± 0.02″ w.c. to 12.0″ w.c.
Field Adjustable “Operate Range”: 0.07″ w.c. to 12.0″ w.c.
Field Adjustable “Release Range”: 0.04″ w.c. to 11.2″ w.c.
Approximate Switching Differential: Progressive, increasing from 0.02 ± – 0.01″ w.c. at minimum set point to approximately 0.8″ w.c. at maximum set point.
Measured Media: Air, or combustion by-products that will not degrade silicone.
Maximum Pressure: ½ psi (0.03 bar).
Operating Temperature Range: -40˚F to 180˚F (-40 to 82˚C).
Datasheet
| Weight | 0.50 kg |
|---|---|
| Dimensions | 8 × 9 × 4 cm |
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