SPDT Duct Differential Pressure Sensor QAD Series - 10kPa Max Pressure, -40℃ to 85℃ Range with UL/CE Certification
Price:
USD3-10/piece EXW factory
MOQ:
100 pcs
Delivery Time:
5-10 working days
Brand:
Keram Controls
Product Description
SPDT Duct Differential Pressure Sensor Overview
The QAD series air differential pressure switch detects minute pressure changes and is widely used for controlling aerator flow, monitoring fans and air conditioners. It also provides over-heating protection and frost protection in industrial cooling systems. The innovative design allows for visual adjustment of set points.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | QAD |
| Media | Air, non-combustible and non-aggressive gases |
| 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: |
| 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 |
Product Dimensions
Installation Guidelines
QAD series air pressure controls are factory-calibrated for vertical position. Horizontal installation affects switching point as follows:
- Cover facing upwards: switching point is 15Pa higher than scale
- Cover facing downwards: switching point is 15Pa lower than scale
Important: Do not install upside down with trip pressures of less than 50Pa!
Electrical Wiring Diagram
Product Range Specifications
| 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% |
Note: Performance specifications may be modified without prior notice due to design improvements.
Frequently Asked Questions
Q: What's the delivery time?
A: According to specification and quantity, generally 4 days for normal standard products within 10 pieces.
Q: Are you manufacturer or trading company?
A: We are manufacturer with many years of experience and our own factory.
Q: Can we use our logo on the products?
A: Yes, we provide OEM service.
Q: Do you have products with ex-proof certificate?
A: Yes, we offer intrinsic-safety and flame proof certificates.
Q: What is the warranty of your products?
A: Standard warranty is 12 months.
Q: What's the means of transport?
A: Express services include TNT, Fedex, DHL, UPS, or logistics by indicator.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Keram (Nanjing)ELECTRICAL Equipment Co., Ltd.
Location
Room 402, Block A, Building 12#, LianDong U Valley, No. 1 Qingnian Road, Yuhuatai District, Nanjing City, Jiangsu Province, China, 210039
Contact Person
James