Features: Dental Operating Chair: - Ergonomic double-joint headrest with stepless adjustment (length & angle). - Suitable for adults, children, and wheelchair patients. - Slim backrest design provides improved legroom for doctors. - Quick-release backrest for easy transport and replacement. - Seamless cushion design for easy cleaning and disinfection. - Emergency stop function via foot switch or control panel. Dental Treatment Table: - Fully computerized digital control system. - Touch control panel with two programmable memory positions. - Reset and emergency position functions. - Adjustable cooling, hot mouthwash, and cupping functions. - LED film viewer with evenly distributed light. - Active anti-suction backflow prevention system. - Chair–instrument interlock safety system. - Self-locking balance arm with adjustable tray height. - Bottom-mounted handpiece system with rotating holder. Assistant Treatment Table: - Standard three-way syringe, weak & strong suction. - Reserved position for built-in LED curing light. - Touch control panel for cool/hot mouthwash and flushing. - Programmable seat movement. - 180° rotating assistant unit. - Dual-joint assistant arm for flexible four-handed operation. Unit Box System: - Integrated 180° rotatable ceramic spittoon. - Rotational flushing system for inner-wall cleaning. - Removable filter screen. - Plug-in outlet head for easy maintenance. - Built-in constant temperature mouthwash system. - Optional central negative pressure suction. - Plug-in saliva suction system with built-in filters. - Built-in distilled water system for aseptic treatment. Dental Lamp: - Induction LED cold light. - Adjustable brightness. - Durable covered reflector. - American-style lamp arm design. - Three-axis rotation for precise positioning. Technical Specifications: General - Noise level: ＜70 dB(A) Unit Box: - Power supply: AC220V / 50Hz, single-phase three-pin socket. - Rated power: 680VA. - Fuse specification: φ5×20 F5AL250V. - Water filtration aperture: ≤ 90µm. - Air filtration aperture: ≤ 25µm. Water Heater. - Power supply: AC24V (internal power supply). - Rated power: 80W. - Constant water temperature: 40℃ ±5℃. Saliva Pump System - Weak suction: ≥ 400ml/min (at 200kPa water pressure). - Strong suction: ≥ 1000ml/min (at 400kPa air pressure). Instrument Tray - Rotation angle: ≥ 90°. - Vertical movement range: ≥ 400mm. - Maximum bearing capacity: ≤ 3kg. Film Viewer: - Power supply: AC24V (internal power supply). - Rated power: 80VA. - Color temperature: ≥ 6500K. - Brightness: ≥ 2000 cd/m². - Brightness uniformity: > 0.7. - Brightness stability: ≤ 2%. - Scattering coefficient σ’: > 0.9. - Viewing screen size: 136 × 68mm (XD-6). - Suitable ambient illumination: ≤ 100 Lux. - Film size must be smaller than viewing screen. Dental Lamp: - Power supply: AC12V (internal power supply). - Rated power: 5W. - Illuminance range: 8,000 – 20,000 Lux. - Radiant heat: ≤ 350W/m² (maximum illumination). - Color rendering index (Ra): > 85. Foot Switch: - Kickoff pressure: 10N – 50N. - Protection level: IPX4. - Service life: > 30,000 operations. Dental Patient Chair: - Power supply: DC24V (internal power supply). - Working mode: Intermittent operation. - 2 minutes working / 18 minutes rest. - Loading duration: ≤ 60%. - Total load capacity: 135 kg. - Headrest load capacity: 30 kg. - Headrest expansion range: 100 mm. - Backrest tilt range: 115° – 175°. - Cushion height (max): 760 mm. - Cushion height (min): 400 mm. Input Water & Air Requirements: - Water Supply Requirements - Water pressure: 0.2 – 0.6 MPa. - Flow rate: > 5L/min. - Water hardness: < 2.14 mmol/L (<12°dH). - pH value: 6.5 – 8.5. - Maximum particle size: < 100µm. - Must comply with local drinking water regulations. - Air Supply Requirements. - Air pressure: 0.7 ± 0.1 MPa. - Air flow rate: > 80 NL/min. - Dew point: ≤ -20℃. - Oil content: ≤ 0.5 mg/m³. - Particle pollution (1–5µm): ≤ 100/m³. Workplace Requirements Minimum installation space: - Length ≥ 3000 mm. - Width ≥ 2000 mm. - Height ≥ 2500 mm. Operating Conditions: - Ambient temperature: 5℃ – 40℃. - Relative humidity: ≤ 80%. - Atmospheric pressure: 200kPa – 400kPa. - Power supply: AC220V / 50Hz. - Air source pressure: 0.6 – 0.8 MPa. - Air flow volume: > 50L/min. - Water source pressure: 0.2 – 0.6 MPa. Configuration: Doctor’s Position: - Two four-hole high-speed handpiece tubes. - One four-hole low-speed handpiece tube. - One three-way syringe. - Viewing light (1 set). - Full computer multi-function touch control board. - Instrument tray with rotating holder. - Balance arm with air lock. Assistant Position: - Three-way syringe (1 set). - Weak suction (1 set). - Strong suction (1 set). - Touch-tone assistant table. Dental Patient Chair: - Electric dental chair (DC low-noise motor). - Double-joint headrest. - Double armrests (right armrest rotatable). - Seamless sanitary PU cushion and backrest. Other Configuration: - Distilled water system (1 set). - Mouthwash heating system (1 set). - 180° rotatable ceramic spittoon with detachable flushing pipe. - LED dental light with sensor, stepless dimming. - Multifunctional foot switch (1 set). - Imported water and air pipes. Dentist Stool: - Seamless sanitary PU cushion and backrest. - SGS-certified gas spring. - Cast alloy base with medical silent wheels. Upgrade Options: - Optional built-in or preset dental scaler. - Optical fiber handpiece control board and tubing. - Optional built-in LED curing light. - Optional central negative pressure suction system. - Optional built-in floor box. - Optional oral endoscope with 21.5-inch display. - Optional light pole with endoscopic mounting holes. - Optional 3-in-1 tissue box. - Optional oil-free air compressor. - Optional separated doctor tray with handpiece holder.