Differential Pressure Switch
Model: PRSMD
- Easy installation and no power supply needed
- Easily set the differential pressure switch values on the site
- Limited to non-flammable and non-corrosive gases
- Usually used in filter, fan, and duct pressure monitoring in building automation systems in the HVAC
- Responsive after-sales service / Customizable
- High quality / One-year warranty
- The image is for reference; the actual product willbe based on your custom specifications.
Description
The PRSMD is a versatile differential pressure switch designed for easy installation and on-site setpoint adjustment without requiring external power. Specifically engineered for non-flammable and non-corrosive gases, it is a standard component in HVAC and building automation systems for monitoring filters, fans, and air ducts. Offering measuring ranges from 20 to 5000 Pa with ±2% F.S. accuracy, the unit features a durable silicone diaphragm, PC housing, and IP54-rated protection, with a service life exceeding one million cycles. The integrated SPDT contact supports loads up to 1.5 A @ 250 VAC or 1 A @ 30 VDC, ensuring reliable control performance for diverse industrial applications.
Specifications
| Electrical connections | Screw terminal |
|---|---|
| Scale ranges | 20 ... 200 Pa, 30 ... 300 Pa, 40 ... 400 Pa, 50 ... 500 Pa, 100 ... 1000 Pa, 200 ... 1000 Pa, 500 ... 2500 Pa, 1000 ... 5000 Pa |
| Accuracy | ±2% F.S. |
| Process connection | 6.0 mm pipe; P1 high pressure port, P2 low pressure port |
| Material | Main body: PC; cover: PC; diaphragm: silicone; contact: Silver |
| Accessories | Equipped with a set of standard pressure connection components, including a 1.5 m transparent plastic hose, 2 plastic connectors, and 4 self-tapping screws. |
| Ambient temperature | -40℃ ... 85℃ |
| Medium temperature | -20℃ ... 85℃ |
| Contact type | SPDT AC type max.: 1.5 A/250 VAC DC type max.: 1 A/30 VDC |
| Maximum switching frequency | 6 times/minute |
| Pressure media | air, non-flammable gases, and non-aggressive gases |
| Max | operating pressure: 10 kPa |
| Service life | Switch more than 106 times |
| Protection level | IP 54 |
| Weight | With mounting bracket: 140 g Without mounting bracket: 90 g |
Product Images
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