The DSD-IIIA is a laser-guided pilot tube system developed for microtunneling and trenchless construction. It combines a 30X telescope with 10X optical zoom, manual precision controls, and a 5MP industrial camera to provide real-time visual guidance for pipe jacking alignment. The system supports a working distance of up to 100 m. Each stainless steel LED target undergoes a mandatory pre-shipment waterproofing test, during which it is powered on and continuously immersed in water for three days to verify that no water ingress occurs.
The DSD-IIIA is a laser-guided pilot tube system developed for microtunneling and trenchless construction. It combines a 30X telescope with 10X optical zoom, manual precision controls, and a 5MP industrial camera to provide real-time visual guidance for pipe jacking alignment.
The system supports a working distance of up to 100 m. Its stainless steel LED target is specially sealed for wet underground conditions and must pass DADI's mandatory pre-shipment immersion test before delivery.
Mechanical adjustment knobs are used for image zoom, crosshair clarity and target-image focus, giving the operator direct physical control during alignment.
The optical system combines 30X telescope magnification with 10X optical zoom for target observation over working distances up to 100 m.
The integrated 5MP industrial camera provides 2592 × 1944 imaging and displays the LED target on the industrial monitor for alignment observation and correction.
Each stainless steel LED target is powered on and continuously immersed in water for three days before shipment. The target must complete this test without water ingress.
The main DSD-IIIA unit is not designed as a waterproof device. The stainless steel LED target, however, is used inside underground pilot tubes and pipe sections where water ingress may occur during trenchless construction.
Because underground work may need to continue without interruption, DADI treats target waterproofing as a required pre-shipment inspection item rather than an optional test.
For every DSD-IIIA shipment, the stainless steel LED target is tested while powered on and continuously submerged in water for three days. The purpose is to verify the sealing performance of the target before it enters an underground trenchless jobsite. This test applies to the LED target only and does not mean that the complete DSD-IIIA system is waterproof.
| SYSTEM PERFORMANCE | |
| Model | DSD-IIIA |
| Working Distance | Up to 100 m |
| Camera Resolution | 5MP (2592 × 1944) |
| OPTICS | |
| Optical Zoom | 10X |
| Telescope Magnification | 30X |
| Field of View | 1° 30′ |
| TARGET AND POWER | |
| Target Size | φ50 × 185 mm |
| Power Supply | DC 6V continuous working |
| LED Target Waterproof Test | Powered-on water immersion for 3 days before shipment |
The complete DSD-IIIA system includes the guidance host, industrial display monitor, lifting platform, stainless steel LED target, charger and cables, and a hard carrying case.
The DSD-IIIA is used for visual guidance and alignment in pilot tube microtunneling, pipe jacking and other trenchless construction applications.
The specified working distance is up to 100 m.
The system uses mechanical adjustment controls so the operator can directly adjust image zoom, crosshair clarity and target-image focus during alignment.
No. The main DSD-IIIA unit is not designed as a waterproof device. The stainless steel LED target is specially sealed for wet underground conditions.
Each LED target is powered on and continuously immersed in water for three days as a mandatory pre-shipment inspection. It must complete the test without water ingress before shipment.
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