DFH Series- Denki Seigyo Fiber Optic Sensor Heads
The Denki Seigyo DFH Series Fiber Optic Sensor Heads are compact and high-precision sensing solutions designed for reliable object detection in industrial automation systems. Available in diffuse and through-beam configurations with straight and radial types, the DFH Series offers stable sensing performance, flexible installation, and excellent durability for electronics, packaging, semiconductor, and high-speed automation applications.
For more details please check datasheet.DFH- fiber optic head
Category: FIBER OPTIC SENSOR
DFH Series- Denki Seigyo Fiber Optic Sensor Heads
1. PRODUCT OVERVIEW
The Denki Seigyo DFH Series Fiber Optic Sensor Heads are compact and high-precision sensing heads designed for reliable object detection in industrial automation systems.
The DFH Series provides stable sensing performance in confined spaces, high-speed applications, and harsh industrial environments where standard photoelectric sensors cannot be installed.
Available in straight diffuse, radial diffuse, straight through-beam, and radial through-beam configurations, the DFH Series delivers excellent flexibility for electronics, packaging, semiconductor, pharmaceutical, and automation industries.
2. KEY FEATURES
- Compact miniature fiber optic heads
- Straight and radial sensing types
- Diffuse and through-beam models
- High precision small object detection
- Flexible fiber routing
- Free-cut fiber cable design
- Excellent bending durability
- High-temperature resistance
- Stable detection performance
- Compatible with digital fiber amplifiers
- Easy installation in limited spaces
3. PRODUCT SERIES
| Series | Type | Detection Method |
|---|---|---|
| DFH-D Series | Straight Diffuse | Reflective |
| DFH-DR Series | Radial Diffuse | Reflective |
| DFH-T Series | Straight Through-beam | Through-beam |
| DFH-TR Series | Radial Through-beam | Through-beam |
4. MODEL STRUCTURE
Example:
DFH-04TR
| Code | Description |
|---|---|
| D | Denki Seigyo |
| FH | Fiber Head |
| 04 | M4 Size |
| T | Through-beam |
| R | Radial Type |
5. MODEL SPECIFICATIONS
| Model | Feature | Sensing Distance | Min. Sensing Target | Bend Radius | Cable Length | Ambient Temperature |
|---|---|---|---|---|---|---|
| DFH-03D | M3 Straight Diffuse | Up to 60 mm | Ø0.03 mm | R15 | 2 m (Free Cut) | −55°C to +75°C |
| DFH-04D | M4 Straight Diffuse | Up to 120 mm | Ø0.03 mm | R15 | 2 m (Free Cut) | −55°C to +75°C |
| DFH-06D | M6 Straight Diffuse | Up to 300 mm | Ø0.03 mm | R30 | 2 m (Free Cut) | −55°C to +75°C |
| DFH-03DR | M3 Radial Diffuse | Up to 60 mm | Ø0.03 mm | R15 | 2 m (Free Cut) | −55°C to +75°C |
| DFH-04DR | M4 Radial Diffuse | Up to 120 mm | Ø0.03 mm | R15 | 2 m (Free Cut) | −55°C to +75°C |
| DFH-06DR | M6 Radial Diffuse | Up to 300 mm | Ø0.03 mm | R30 | 2 m (Free Cut) | −55°C to +75°C |
| DFH-03T | M3 Straight Through-beam | Up to 200 mm | Ø0.03 mm | R15 | 2 m (Free Cut) | −55°C to +75°C |
| DFH-04T | M4 Straight Through-beam | Up to 500 mm | Ø0.03 mm | R15 | 2 m (Free Cut) | −55°C to +75°C |
| DFH-06T | M6 Straight Through-beam | Up to 800 mm | Ø0.03 mm | R30 | 2 m (Free Cut) | −55°C to +75°C |
| DFH-03TR | M3 Radial Through-beam | Up to 200 mm | Ø0.03 mm | R15 | 2 m (Free Cut) | −55°C to +75°C |
| DFH-04TR | M4 Radial Through-beam | Up to 500 mm | Ø0.03 mm | R15 | 2 m (Free Cut) | −55°C to +75°C |
| DFH-06TR | M6 Radial Through-beam | Up to 800 mm | Ø0.03 mm | R30 | 2 m (Free Cut) | −55°C to +75°C |
6. DETECTION TYPES
Straight Diffuse Type
- Compact front sensing
- Easy installation
- Suitable for reflective object detection
Radial Diffuse Type
- Side sensing configuration
- Ideal for confined spaces
- Flexible mounting direction
Straight Through-beam Type
- Long sensing distance
- Stable high-speed detection
- Excellent reliability
Radial Through-beam Type
- Side beam transmission
- Space-saving installation
- High precision sensing
7. GENERAL SPECIFICATIONS
| Parameter | Specification |
|---|---|
| Sensor Type | Fiber Optic Head |
| Detection Method | Diffuse / Through-beam |
| Fiber Material | Plastic Optical Fiber |
| Fiber Jacket | PVC |
| Fiber Length | 2 m standard |
| Cable Type | Free-cut |
| Compatible Amplifier | Fiber Optic Amplifier |
8. MECHANICAL SPECIFICATIONS
| Parameter | Specification |
|---|---|
| Housing Material | Nickel-plated brass |
| Mounting Type | Threaded cylindrical |
| Fiber Protection | Flexible protective jacket |
| Minimum Bend Radius | R15 / R30 |
9. ENVIRONMENTAL SPECIFICATIONS
| Parameter | Specification |
|---|---|
| Operating Temperature | −55°C to +75°C |
| Humidity | 35–85% RH |
| Protection Rating | Industrial grade |
| Vibration Resistance | High durability design |
10. COMPATIBLE AMPLIFIERS
The DFH Series is compatible with:
- DSF-A05 Fiber Amplifier
- DSF-A06 Fiber Amplifier
- High-speed digital fiber amplifiers
- Dual-display fiber amplifiers
11. APPLICATIONS
The DFH Series is suitable for:
- Electronics manufacturing
- Semiconductor machinery
- Packaging systems
- Label and mark detection
- High-speed counting systems
- Robotic automation
- Pharmaceutical equipment
- Small component positioning
- Precision industrial automation
12. INSTALLATION NOTES
- Avoid excessive bending beyond specified radius
- Ensure proper alignment for through-beam models
- Keep fiber tips clean during operation
- Avoid excessive pulling force on fiber cable
- Use recommended mounting accessories
13. PRODUCT SUMMARY
The Denki Seigyo DFH Series Fiber Optic Heads provide:
✔ High precision sensing
✔ Compact installation
✔ Flexible mounting options
✔ Excellent durability
✔ Stable industrial performance
✔ Compatibility with digital fiber amplifiers
Designed for modern industrial automation systems, the DFH Series delivers reliable and accurate sensing performance in demanding applications.
What is the Denki Seigyo DFH Series used for?
The DFH Series is used for precision object detection in industrial automation, electronics, packaging, and semiconductor applications.
What sensing types are available in the DFH Series?
The series includes straight diffuse, radial diffuse, straight through-beam, and radial through-beam models.
What is the maximum sensing distance?
Depending on the model, sensing distance ranges up to 800 mm.
Are DFH fiber optic heads compatible with digital amplifiers?
Yes, the DFH Series is compatible with digital fiber amplifiers including DSF-A05 and DSF-A06.
What environments are suitable for DFH fiber heads?
The DFH Series is suitable for high-speed, compact, and harsh industrial environments.
Product Summary
The Denki Seigyo DFH Series Fiber Optic Sensor Heads provide compact, high-precision sensing solutions for modern industrial automation systems. With flexible mounting configurations, excellent durability, and compatibility with digital fiber amplifiers, the DFH Series ensures stable and accurate detection performance in demanding applications.
