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Last update: 18.06.2026

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Rettar technology co., ltd

TEL: +86 13002246728
International Sales Team
Beiing Economic- Technological Development Area
100176  Beijing
China
Contacts
TEL: +86 18610730582
International Sales Team
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Brochure / flyer
Rettar technology co., ltd
RETTAR is a leading intelligent technology company, founded in 2007 with roots in Tsinghua University, specializing in advanced AI and radar-based industrial measurement solutions for global clients.

We drive industrial precision and safety with our core product portfolio, including the innovative 3DPro Series (3D Radar Scanner, 3D Laser Scanner) for volume visualization, and high-reliability Radar Level Transmitters and Level Switches for process control.

Backed by over 180 technology patents and a Global R&D Center, our commitment to international standards is demonstrated by essential certifications such as CE, ATEX, and RoHS, ensuring seamless integration and compliance for customers in over 20 countries across the Energy, Mining, and Feed sectors.
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Products & services
3Dpro2300 Radar Scanner3Dpro2300 Radar Scanner3D visual volume monitoring for silo, yard, dome, and shed applications.
3Dpro2300Easy Radar Scanner3Dpro2300Easy Radar ScannerA lightweight 3D volume inventory system for real-time stock information.
3DPro2501 laser Scanner3DPro2501 laser ScannerLong-range 3D laser scanning for quick, full-yard scans in just three minutes.
3DPro2503 Laser Scanner3DPro2503 Laser Scanner Patented dust-proof and algorithm-driven LiDAR, ideal for volume inventory in small-scale environments.
80GHz Radar Level Meter80GHz Radar Level MeterHigh-frequency radar technology for accurate and reliable level measurement in challenging environments.
26GHz Radar Level Meter26GHz Radar Level Meteroptimized for accurate level measurement in chemical, power, and high-steam environments.
140GHz Radar Level Meter140GHz Radar Level Meterideal for level measurement in environments with stirring and fluctuating liquid conditions.
Guided Wave Radar Level MeterGuided Wave Radar Level Meterdesigned for high-temperature (400°C) and high-pressure (40 bar) applications, ideal for boiler drum level measurement.
NA22 Density MeterNA22 Density MeterNon-intrusive, high-precision density monitoring on the outside of pipelines, ensuring continuous production without the need for drilling.
Process control, instrumentatiProcess control, instrumentatiRotating vane level switches, Capacitative level switches, Capacitative level meters, Radar level meters, Tuning fork level switches, Laser level meters

Posts

How Radar Sensors Help Prevent Material Build-Up in Silos Automated 3D radar monitoring prevents hazardous build-up (bridging, ratholing) in bulk solids silos, ensuring continuous processing flow. It tracks material topography safely for accurate inventory and avoids manual entry.
How Radar Sensors Help Prevent Material Build-Up in Silos
Automated 3D radar monitoring prevents hazardous build-up (bridging, ratholing) in bulk solids silos, ensuring continuous processing flow. It tracks material topography safely for accurate inventory and avoids manual entry. Inside industrial grain silos and flour processing plants, hidden material build-up like bridging, sidewall cling, and ratholing often disrupts operations. When material arches or sticks to walls, it creates dangerous empty pockets, unexpected flow stoppages, and sudden material collapses. However, sending workers up to check silos introduces high fall hazards and relies on slow, inaccurate manual record-keeping. To fix these safety and data gaps, deploying automated grain silo monitoring systems tracks actual surface topography, keeping crews safely on the ground. What Structural Hazards Defeat Manual Silo Inventory Management? Maintaining stable material flow inside heavy-duty grain storage units introduces severe operational risks when relying on manual estimation or other traditional metrics. Industrial storage environments frequently deal with complex physical changes across wide silos: Severe Interior Flow Faults: Sticky or humid bulk items cling to internal steel…
17-07-2026  |  300  |  product news  | 
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3D Radar Scanner Optimizes Grain Inventory in Large Flour Mills The RETTAR 3DPro2300 Radar Scanner overcomes heavy dust and irregular surfaces in flour mill silos. Using 80GHz high-frequency radar and a dual-axis servo, it maps 3D material contours to achieve up to 98% inventory tracking accuracy.
3D Radar Scanner Optimizes Grain Inventory in Large Flour Mills
The RETTAR 3DPro2300 Radar Scanner overcomes heavy dust and irregular surfaces in flour mill silos. Using 80GHz high-frequency radar and a dual-axis servo, it maps 3D material contours to achieve up to 98% inventory tracking accuracy. In large flour processing mills, grain silo tracking directly impacts production scheduling, cost accounting, and food safety. However, massive dimensions, irregular surfaces, and heavy dust have long restricted measurement efficiency and precision. RETTAR 3DPro2300 Radar Scanner uses radar technology to deliver an efficient, precise, and safe silo bulk material handling solution for modern flour mills. Bulk Material Measurement Dilemma of Large Flour Mill Silos At a high-capacity flour mill, multiple large wheat storage silos serve as vital infrastructure to sustain daily output. However, the complex physical conditions inside these deep structures introduce constant inventory control challenges: ● Massive Silo Dimensions: The wide structural spans and extreme heights prevent traditional sensors from achieving comprehensive area coverage. ● Irregular Surface Contours: Wheat naturally forms unpredictable peaks and deep slopes during loading, causing massive calculation…
14-07-2026  |  350  |  product news  | 
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How to Monitor Grain Storage in Real Time Without Climbing Silos Automated 3D radar scanners replace hazardous manual silo inspections. They measure grain stocks precisely in real time, optimizing logistics while protecting workers from falls and dust explosion risks on site.
How to Monitor Grain Storage in Real Time Without Climbing Silos
Automated 3D radar scanners replace hazardous manual silo inspections. They measure grain stocks precisely in real time, optimizing logistics while protecting workers from falls and dust explosion risks on site. In modern bulk agriculture, the most critical challenge in grain storage is not just tracking stock numbers, but protecting human life during inventory checks. Traditional manual methods require technical crews to physically climb high platforms, enter dusty structures, and make visual estimates. These outdated habits expose personnel to dangerous falls and severe dust explosion risks. To eliminate these field vulnerabilities, field-proven grain silo monitoring systems revolutionize facilities operations. By replacing hazardous manual climbs with real-time 3D Volumetric Reconstruction, this automated approach calculates true stock volumes safely, enabling logistics teams to manage raw materials without entering dangerous containment zones. Potential Safety Risks of Manual Silo Inspections Accurate inventory control inside massive storage structures introduces major operational hazards for plant workers: * High Fall Hazards: Manual level checks require personnel…
08-07-2026  |  455  |  product news  | 
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Smart Manufacturing Solution: 3D Radar for Bulk Storage
Smart Manufacturing Solution: 3D Radar for Bulk Storage
Inside modern building material facilities, tracking stored raw items like stone powder, aggregates, and slag is a constant logistical challenge. Rapid loading and discharging create thick airborne dust and highly irregular surface profiles. Conventional manual inventory checks are slow and inaccurate, making automatic 7x24 monitoring impossible and leading to unexpected material buildup, empty silos, or measurement variances that disrupt production scheduling and cost control. To resolve these operational gaps, the RETTAR 3DPro2300 Easy Radar Scanner uses advanced FMCW technology to provide a stable, non-contact measurement engine designed specifically for high-dust, enclosed containment environments. Raw Material Storage Risks and Silo Measurement Gaps ● Dense Airborne Dust: Constant moving of stone powder and mineral stocks produces heavy dust clouds that interfere with optical or acoustic tracking tools. ● Irregular Surface Contours: Materials pile unevenly,…
01-07-2026  |  517  |  product news  | 
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How to Cut Grain Silo Inventory Errors with RETTAR 3D Radar Scanners RETTAR 3D Radar Scanners solve silo inventory errors caused by dust and uneven surfaces. By providing real-time 3D volume mapping, they deliver precise data traceability, optimize purchasing, and eliminate risky manual inspections.
How to Cut Grain Silo Inventory Errors with RETTAR 3D Radar Scanners
RETTAR 3D Radar Scanners solve silo inventory errors caused by dust and uneven surfaces. By providing real-time 3D volume mapping, they deliver precise data traceability, optimize purchasing, and eliminate risky manual inspections. Traditional grain storage measurement methods often fail to reflect true stock levels, leading to significant inventory errors. Inside massive silos, uneven discharging and heavy dust create steep material cones and side-wall clinging that conventional sensors simply miss. To resolve these physical limits, 3DPro2300 Radar Scanner networks are moving facilities past single-point tracking into an age of absolute 3D inventory transparency. By modeling the entire bin in real time, this advanced approach secures precise stockpile volume measurement, multi-point surface tracking, and reliable data traceability to optimize raw material purchasing. Disruption of Silo Inventory Management Accurate volume monitoring for large silos requires accounting for multiple complex physical factors. Inflowing grain naturally creates steep cone formations, while rapid emptying leaves deep, asymmetrical valleys. Furthermore, cohesive stocks like damp soybean meal frequently cling to internal…
23-06-2026  |  190  |  product news  | 
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Why 3D Sensing Is Becoming Essential for Smart BulkMaterial Management New 3D radar sensing boosts bulk material handling safety and accuracy in silos. It delivers real-time volumetric measurements, cutting through dust to end hazardous manual inspections and improve inventory data.
Why 3D Sensing Is Becoming Essential for Smart BulkMaterial Management
New 3D radar sensing boosts bulk material handling safety and accuracy in silos. It delivers real-time volumetric measurements, cutting through dust to end hazardous manual inspections and improve inventory data. Modern industrial storage facilities increasingly face strict requirements for high inventory accuracy, larger silo structures, and improved workplace safety. Traditional single-point level transmitters lead to up to 15% inventory discrepancies due to material cones and slumps. To address these limitations, 3D sensing technology offers a critical automated approach to modern bulk material handling. By replacing guesswork with real-time 3D volumetric reconstruction, this technology provides the accurate tracking and enhanced safety required for smart factory infrastructure. Bulk Material Challenges: Blind Spots and Hidden Inventory Risks Without reliable inventory metrics, automated data transparency between plant floors and executive decision-makers drops. This lack of clear data frequently forces operational teams to conduct hazardous manual inspections on high catwalks, demonstrating why advanced 3D sensing is becoming essential for modern operations. At a cement…
22-06-2026  |  588  |  product news  | 
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