DPR Series Long Range Inductive Proximity Sensor Denki Seigyo
The Denki Seigyo Proximity Sensor provides precise, non-contact detection of metal and non-metal objects across a wide range of industrial automation applications. Designed with long sensing, high-sensitivity sensing elements, rugged housings, and IP-rated environmental protection, it ensures accurate performance, long service life, and reliable operation even in harsh industrial conditions.
Available in inductive 3-wire configurations, Denki Seigyo proximity sensors deliver stable detection, fast response times, and effortless installation — making them an ideal choice for automation panels, machinery, and process control systems.
More details, please check the Datasheet Link.DPR Series proximity sensor
DPR Series Long Range Inductive Proximity Sensor Denki Seigyo
Denki Seigyo Inductive Proximity Sensors – M8, M12, M18, M30 (Cable Type)
High Performance Industrial Proximity Sensors for Automation
Denki Seigyo inductive proximity sensors are reliable and high-precision sensors designed for industrial automation, machine tools, packaging machines, conveyors, robotics, and manufacturing equipment.
These sensors detect metal objects without physical contact, ensuring long service life, fast response time, and high durability in harsh industrial environments.
Denki Seigyo proximity sensors are available in M8, M12, M18, and M30 cylindrical housings with cable output, making them ideal for OEM machine builders and automation integrators.
Denki Seigyo inductive proximity sensors M8, M12, M18, M30 cable type. Models DPR8-2DN, DPR12-4DP, DPR18-8DP. Reliable industrial sensors for automation and machinery.
Available Models
| Model | Sensor Size | Sensing Distance | Output Type | Output Mode |
| DPR8-2DP | M8 | 2 mm | PNP | Normally Open |
| DPR8-2DN | M8 | 2 mm | NPN | Normally Open |
| DPR12-4DP | M12 | 4 mm | PNP | Normally Open |
| DPR12-4DN | M12 | 4 mm | NPN | Normally Open |
| DPR18-8DP | M18 | 8 mm | PNP | Normally Open |
| DPR18-8DN | M18 | 8 mm | NPN | Normally Open |
| DPR30-15DP | M30 | 15 mm | PNP | Normally Open |
| DPR30-15DN | M30 | 15 mm | NPN | Normally Open |
Other sensing distances and configurations are also available upon request.
Key Features
✔ High accuracy metal detection
✔ Long sensing life – no mechanical wear
✔ Fast response time
✔ Short circuit and reverse polarity protection
✔ Strong brass nickel plated housing
✔ LED status indicator
✔ Protection class IP67
✔ Cable type output for easy installation
✔ High vibration resistance
Technical Specifications
| Parameter | Specification |
|---|---|
| Sensor Type | Inductive Proximity Sensor |
| Housing Material | Brass Nickel Plated |
| Operating Voltage | 10 – 30 VDC |
| Output Type | NPN / PNP |
| Output Mode | Normally Open (NO) |
| Protection | Short Circuit & Reverse Polarity |
| Protection Class | IP67 |
| Operating Temperature | -25°C to +70°C |
| Cable Length | 2 Meter PVC Cable |
| Response Frequency | Up to 500 Hz |
| Indicator | LED Status Indicator |
Available Sensor Sizes
M8 Proximity Sensor
Compact sensor ideal for small machines, robotics, packaging equipment, and tight installation spaces.
Model Example:
DPR8-2DN
Sensing Distance: 2 mm
M12 Proximity Sensor
The most widely used sensor for automation panels, conveyors, and production lines.
Model Example:
DPR12-4DP
Sensing Distance: 4 mm
M18 Proximity Sensor
Designed for medium distance metal detection in industrial machines.
Model Example:
DPR18-8DP
Sensing Distance: 8 mm
M30 Proximity Sensor
Heavy duty industrial proximity sensor used in large machinery and steel industry applications.
Sensing Distance: 10 – 15 mm
Applications
Denki Seigyo proximity sensors are widely used in:
• CNC Machines
• Packaging Machines
• Textile Machines
• Conveyor Systems
• Robotics Automation
• Steel Industry
• Automotive Assembly Lines
• Material Handling Systems
Why Choose Denki Seigyo Proximity Sensors?
✔ High reliability in industrial environments
✔ Stable sensing performance
✔ Long operational life
✔ Competitive pricing for OEMs
✔ Easy replacement with global standard sensors
Denki Seigyo sensors are trusted by machine manufacturers, system integrators, and automation engineers for dependable sensing performance.
Wiring Diagram (Cable Type)
Brown – +V (10–30V DC)
Blue – 0V
Black – Output
Order Information
| Model | Type | Size | Distance |
|---|---|---|---|
| DPR8-2DN | NPN NO | M8 | 2mm |
| DPR12-4DP | PNP NO | M12 | 4mm |
| DPR18-8DP | PNP NO | M18 | 8mm |
🏷️ Summary
The Denki Seigyo Proximity Sensor combines robust construction, precise sensing, and long-term reliability to deliver optimal performance in any industrial environment. Its compact design and flexible configurations make it a dependable choice for modern automation and control systems.
