The air differential pressure switch (sensor) is used to measure the air differential pressure in ventilation systems. For example, to monitor filter clogging or fan motor belt integrity. Includes mounting kit with the soft tube. It can be used to control the clogging of filters in the air purification sections, as well as to control the operation of the motor of the fan section.
Features of the LF32 air pressure switch
Long life: Designed for 0.1 million switching cycles.
Can be used in cleanrooms.
Possesses high precision of setting and regulation.
Long-term stability of the switch-off setpoints.
Ease of installation
The LF32 is an adjustable differential pressure switch capable of detecting minuscule changes in pressure due to its size and proven design. The switch setpoint or switching point can be field adjustable without the need for a manometer by simply using the adjustment knob and the built-in calibrated visual scale. Differential pressure switch is equipped with a clear cover that not only protects the adjustment knob to be moved involuntary but also provides class IP54 protection.
The LF32 Air Sensing Switch is primarily used in heating and ventilation applications where the need to accurately monitor airflow in air duct systems, air filters, flaps is critical.
Some specific applications of the LF32 Air Handling Unit Pressure Switch are :
Controlling fire protection flaps in ventilation ducts
Monitoring air filters in cooling and heating systems
Monitoring cooling systems of industrial electronic circuits,
Monitoring positive pressure on pressurized rooms
Monitoring airflow on fan heaters (overheating protection)
Frost protection for heat exchanger
The LF32 Adjustable differential pressure switch can also be used as an adjustable pressure switch and adjustable vacuum switch as well.
|Media||Air, noncombustive and non-aggressive gas|
|Mounting||The diaphragm in any vertical plane|
|liquid Preventing Level||IP54|
|Operating Temperature||-40 ℃ ~85℃|
|Electrical Rating||Resistance:initaial <100 Milliohm, Current:1.5A(0.4A)/250V|
|Terminal||6.3mm x 0.8 blade or screw terminal|
|Connection||ɸ 6.4mm for tube connection|
|Model||Pressure Range (Pa)||Differential (Pa)||Tolerances|
Housings and covers.
Mounting bracket made of sheet steel.
The pressure difference between the two taps causes the spring-loaded diaphragm to deflect. This diaphragm ensures the long-term stability of the switching points. An individual scale is engraved on the sensor body to achieve extremely precise regulation.
1. Only the pressure switch
2. The pressure switch is separately packed and the duct fixing kit separately packed
3. The pressure switch and the duct fixing kit are packed together in one small carton
Switching pressure to be adjusted easily on a scaled adjustment knob
Static, over, under pressure, and vacuum
LF32 is an adjustable differential pressure switch capable of detecting minuscule changes in pressure due to its size and proven design. The switch setpoint or switching point can be field adjustable without the need for a manometer by simply using the adjustment knob and the built-in calibrated visual scale. This switch is equipped with a clear cover that not only protects the adjustment knob to be moved involuntary but also provides class IP54 protection.
Gas burner, central air conditioning, Building intelligent control，Small blower
Installation instructions LF32 are supplied with the switch. The switch can be installed in air ducts or on walls. A vertical arrangement is recommended, but any arrangement is in principle possible. Mounting positions other than vertical affect the switching points.
The connecting pipes can be of any length, but the response time is increased if they are longer than 2 meters. The sensor must be installed above the connection points. To prevent condensation, the piping must be routed so that there is a gradual slope away from the pressure connection to the transmitter (no loops).
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