Replaceable Dwyer Differential Air Pressure Switch

Price Negotiable

Price: Negotiable

MOQ: 10

Delivery Time: 7days

Brand: Keramcontrols

Product Description

Replaceable Dwyer Differential Air Pressure Switch

Description

QAD differential pressure switch is used for fan status and dirty filter applications. A knob with pressure values on it allows the setpoint to be adjusted visually in the field. The plastic duct probe tubes, flexible silicon tubing and the mounting screws are included with all models.

Technical Specifications

Model	QAD
Media	Air,non-combustible and non-aggressive gasses
Max Operating Pressure	10kPa
Mounting Position	Diaphragm in any vertical plane
Degree of protection	IP54(with cover)
Operating Temperature	-40℃to 85℃
Contact Arrangement	SPDT
Electrical Rating	Resistance: Initial: < 50 milliohms;
Electrical Rating	Current1.5A resistive(0.4A inductive) 250V
Electric Connection	6.3x0.8 blade 46244 or screw terminals
Material	Housing:ABS
	Duct connectors: ABS
	Membrane: Silicone
	Cable sleeve:PVC
Weight	0.15kg(0.35kg with flexible pipe)
Connection	φ6.0mm for tube connection
Approval	UL,CE,RoHS

Dimensions(mm)

Installation Connections

QAD series air pressure controls is factory-calibrated for vertical position. If installed horizontally, this will affect the switching point as following:

• with cover facing upwards, switching point is 15Pa higher than scale;

• with cover facing downwards, switching point is 15Pa lower than scale.

Note: Do not install upside down with trip pressures of less than 50pa!

Electric Wiring

Product Range

Model	Pressure Range	Differential	Tolerance
QAD-1	20~200Pa	10Pa	±15%
QAD-2	30~300Pa	10Pa	±15%
QAD-3	40~400Pa	20Pa	±15%
QAD-4	50~500Pa	20Pa	±15%
QAD-5	200~1000Pa	100Pa	±15%
QAD-6	500~2500Pa	150Pa	±15%
QAD-7	1000~5000Pa	250Pa	±15%