QAD Series Adjustable Differential Pressure Switch 20-5000 Pa Range with 1/4" Barb Connection for HVAC Systems
Price:
Negotiable
MOQ:
10
Delivery Time:
7days
Brand:
Keramcontrols
Product Description
Product Overview
The Series ADPS/EDPS Adjustable Differential Pressure Switch is engineered for monitoring pressure, vacuum, and differential pressure conditions in industrial applications. Featuring a dual-scaled adjustment knob calibrated in both inches water column and pascals, this switch enables precise pressure setting adjustments without requiring additional pressure gauges.
Technical Specifications
| Parameter | Specification |
|---|---|
| Media Compatibility | Air, non-combustible and non-aggressive gases |
| Maximum Operating Pressure | 10 kPa |
| Mounting Position | Diaphragm in any vertical plane |
| Degree of Protection | IP54 (with cover) |
| Operating Temperature | -40℃ to 85℃ |
| Contact Arrangement | SPDT |
| Electrical Rating | Resistance: < 50 milliohms; Current: 1.5A resistive (0.4A inductive) 250V |
| Electrical Connection | 6.3x0.8 blade 46244 or screw terminals |
| Material Construction | Housing: ABS; Duct connectors: ABS; Membrane: Silicone; Cable sleeve: PVC |
| Weight | 0.15 kg (0.35 kg with flexible pipe) |
| Connection Size | φ6.0mm for tube connection |
| Certifications | UL, CE, RoHS |
Pressure Range Models
| Model | Pressure Range | Differential | Tolerance |
|---|---|---|---|
| QAD-1 | 20-200 Pa | 10 Pa | ±15% |
| QAD-2 | 30-300 Pa | 10 Pa | ±15% |
| QAD-3 | 40-400 Pa | 20 Pa | ±15% |
| QAD-4 | 50-500 Pa | 20 Pa | ±15% |
| QAD-5 | 200-1000 Pa | 100 Pa | ±15% |
| QAD-6 | 500-2500 Pa | 150 Pa | ±15% |
| QAD-7 | 1000-5000 Pa | 250 Pa | ±15% |
Product Dimensions
Installation Guidelines
QAD series air pressure controls are factory-calibrated for vertical mounting. Horizontal installation affects switching point accuracy:
- Cover facing upwards: switching point increases by 15 Pa
- Cover facing downwards: switching point decreases by 15 Pa
Important: Do not install upside down with trip pressures below 50 Pa!
Electrical Wiring Diagram
Product Image
Frequently Asked Questions
Q: What's the delivery time?
A: Standard products within 10 pieces typically ship within 4 days, depending on specifications and order quantity.
Q: Are you manufacturer or trading company?
A: We are an established manufacturer with extensive industry experience and our own production facility.
Q: Can we use our logo on the products?
A: Yes, we provide comprehensive OEM services including custom branding.
Q: Do you have products with ex-proof certificate?
A: Yes, we offer products with both intrinsic-safety and flame-proof certifications.
Q: What is the warranty of your products?
A: Standard warranty period is 12 months.
Q: What's the means of transport?
A: We ship via express carriers including TNT, FedEx, DHL, UPS, or logistics services as specified.
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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