Hongnuo (shenyang) General Machinery Co., Ltd. is one of the most reliable manufacturers and suppliers of digital display pressure switch in China. Welcome to buy high quality digital display pressure switch at competitive price from our factory. We also accept customized orders.
Product Parameters
| Product: | HNP10-C |
| Pressure range: | vacuum up to 1000 bar (options available) |
| Power supply: | 12–30 VDC |
| Switching accuracy: | ±0.5% FS |
| Response time: | < 10 ms |
| Protection rating: | IP67 |
| Output signal: | PNP, NPN, 4-20mA, or RS485 (selectable) |
Product Advantages
Fast response - good for real-time pressure protection
Bright red LED display, easy to read on site
Set up with buttons, no programming needed
Stable measurement, low drift over time
Compact all-in-one design, simple to install
Application industries
- Air compressors and pneumatic systems :Used for real-time pressure monitoring in air compressors, pneumatic lines, and actuator systems to ensure stable air supply, improve energy efficiency, and protect downstream equipment from overpressure or pressure drops.
- HVAC and boiler pressure control :Provides accurate pressure control in HVAC systems and boilers to maintain safe heating and cooling operation, optimize system performance, and prevent safety risks caused by abnormal pressure conditions.
- Oil, gas, and chemical process lines:Ensures reliable pressure measurement in harsh industrial environments such as oil pipelines, gas transmission systems, and chemical process lines, supporting safe operation, process stability, and compliance with industrial safety standards.
| HNP10-C Digital Pressure Switch | |
| Specific Parameters | Value / Description |
| Measurement Principle | Utilizing a diffused silicon sensor for pressure measurement, the signal is processed by a post-processing circuit and converted into a standard industrial signal output and displayed. The product features an integral injection-molded casing design, making it suitable for a variety of industrial applications. Key settings and simple operation are provided, with a high-brightness LED for digital display of real-time measurements. |
| Pressure Parameter | Gauge Pressure/Negative Pressure |
| Connection Method | G1/4 thread, other customizations available |
| Supply Voltage | 12-30VDC |
| Enclosure Material | Engineering plastic |
| Process Connection Material | Stainless Steel 304 |
| Sensing Diaphragm | Stainless Steel 316L |
| Seal Material | Nitrile rubber/Fluororubber |
| Switch Setting Method | Increment/decrement by button |
| Switch Point Hysteresis | Default hysteresis at factory is 0.5% of switch setting value (adjustable) |
| Measurement Range | -10-10KPa or 0-10KPa, -60-60KPa or 0-60KPa, -1-1bar or 0-1bar, -1-2bar or 0-2bar, -1-5bar or 0-5bar, 0-10bar, 0-25bar, 0-60bar, 0-100bar, 0-160bar, 0-250bar, 0-400bar, 0-600bar, 0-1000bar |
| Switch Load | Less than 200mA |
| Accuracy | ≤±0.5% of range |
| Medium Temperature Range | -20 - 85°C |
| Ambient Temperature Range | -20 - 80°C |
| Connection Method | M12x1 connector |
| Output | PNP/NPN selectable, Normally open/closed selectable / Frequency (full scale 100Hz) optional |
| Certification | CE |
