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| Categories | Differential Pressure Switches |
|---|---|
| Brand Name: | Keramcontrols |
| Model Number: | QAD |
| Certification: | CE,RoHS |
| Place of Origin: | China |
| MOQ: | 10 |
| Payment Terms: | L/C, T/T |
| Delivery Time: | 7days |
| Packaging Details: | Carton |
| Media: | Air,non-combustible and non-aggressive gasses |
| Max Operating Pressure: | 10kPa |
| Operating Temperature: | -40℃to 85℃ |
| Range: | 30-300pa |
| Company Info. |
| Keram (Nanjing)ELECTRICAL Equipment Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
The important function of the differential air pressure switch is
to use its on-off capability to control the on-off of electrical
products, in order to ensure that the equipment can close the gas
channel in time when the exhaust air is not smooth, so as to ensure
that the gas does not leak out, thereby protecting personal safety.
.
Its working method is freely set by the knob, which perfectly meets
the requirements of the ARH unit filter screen pressure difference
alarm. The unique high temperature resistant gas film material
ensures sensitive action under small pressure difference. The
single pole double throw switch, the user can freely choose to use
the normal Open or normally closed node, easy to install, only one
fixing screw is needed for the top cover, and the joint bracket is
convenient for vertical and horizontal installation.
| 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; |
| 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 |
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!
| 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% |
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.
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