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1.5A Air Differential Pressure Switches, 10 KPa DP Switch for HVAC
QAD Series Differential Pressure Switches are designed to sense minute pressure changes and are widely used for controlling aerator flow, monitoring fans and air conditioners. These switches are also suitable for over-heating protection and frost protection in industrial cooling systems. The innovative design allows for visual adjustment of the set point.
QAD series air pressure controls are factory-calibrated for vertical position. If installed horizontally, this will affect the switching point as follows:
With cover facing upwards, switching point is 15Pa higher than scale
With cover facing downwards, switching point is 15Pa lower than scale
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%
The performances stated in this sheet can be modified without any prior notice due to design improvements.
Frequently Asked Questions
What's the delivery time?
According to the specification and quantity of your order, generally 4 days for normal standard products within 10pcs.
Are you manufacturer or trading company?
We are manufacturer with many years of experience. We have our own factory. Welcome to visit our factory.
Can we use our logo on the products?
Yes. We can provide OEM service.
Do you have products with ex-proof certificate?
Yes, we can offer intrinsic-safety and flame proof certificates.
What is the warranty of your products?
Normal is 12 months.
What's the means of transport?
Express such as TNT, Fedex, DHL, UPS, or logistics by indicator.