China Sensor Transmitters manufacturer
Keram (Nanjing)ELECTRICAL Equipment Co., Ltd.
Keram (Nanjing)ELECTRICAL Equipment Co., Ltd.
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SPDT duct differential pressure sensor

SPDT duct differential pressure sensor

Brand Name Keram Controls
Model Number QAD
Certification CE
Place of Origin China
Minimum Order Quantity 100 pcs
Price USD3-10/piece EXW factory
Payment Terms T/T, Western Union
Supply Ability 5000 pcs per month
Delivery Time 5-10 working days
Packaging Details Carton
Model QAD
Customized support OEM
Warranty 1 year
Media Air,non-combustible and non-aggressive gasses
Max Operating Pressure 10kPa
Degree of protection IP54(with cover)
Operating Temperature -40℃to 85℃
Contact Arrangement SPDT
Detailed Product Description

SPDT duct differential pressure sensor

 

Description

 

QAD series air differential pressure switch is used to sense tiny pressure change and widely used to control the flow of aerator, to monitor fan and air conditioner. It is also suitable for over heating protection and frost protection in industrial cooling system. Due to its outstanding design, the set point can be adjusted visually.


Technical Specifications

 

ModelQAD
MediaAir,non-combustible and non-aggressive gasses
Max Operating Pressure10kPa
Mounting PositionDiaphragm in any vertical plane
Degree of protectionIP54(with cover)
Operating Temperature-40℃to 85℃
Contact ArrangementSPDT
Electrical RatingResistance: Initial: < 50 milliohms;
Current1.5A resistive(0.4A inductive) 250V
Electric Connection6.3x0.8 blade 46244 or screw terminals
MaterialHousing:ABS
Duct connectors: ABS
Membrane: Silicone
Cable sleeve:PVC
Weight0.15kg(0.35kg with flexible pipe)
Connectionφ6.0mm for tube connection
ApprovalUL,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

 

ModelPressure RangeDifferentialTolerance
QAD-120~200Pa10Pa±15%
QAD-230~300Pa10Pa±15%
QAD-340~400Pa20Pa±15%
QAD-450~500Pa20Pa±15%
QAD-5200~1000Pa100Pa±15%
QAD-6500~2500Pa150Pa±15%
QAD-71000~5000Pa250Pa±15%
  • The performances stated in this sheet can be modified without any prior notice due to design improvements

 

FAQ

 

1 Q: What's the delivery time?

A: According to the specification and quantity of your order, generally 4

days for normal standard products within 10pcs.

 

2 Q:Are you manufacturer or trading company?

A: We are manufacturer with many years of experience.We have our

own factory.Welcome to visit our factory.

 

3 Q: Can we use our logo on the products?

A: Yes.We can provide OEM service.

 

4 Q: Do you have products with ex-proof certificate?

A: Yes,we can offer intrinsic-safety and flame proof certificates.

 

5 Q: What is the warranty of your products?

A: Normal is 12 months.

 

6 Q: What's the means of transport?

A: Express such as TNT,Fedex,DHL,UPS, or logistics by indicator.

 

 

 

Product Tags: 350000Pa Glass Filled PP Liquid Flow Sensors   350000Pa Liquid Flow Sensor   350000Pa 5V liquid flow rate sensor  
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