※Low mounted instrument tray
※90 degrees rotated spittoon
※24V noiseless DC motor
※Luxury LED operating light (manual / sensor)
※LED X-ray film viewer
※Automatic spittoon flush and cup filler controlling system
※Luxury adjustable headrest
※Multifunctional foot pedal
※High power suction (Air pressure)
※Saliva ejector (Water pressure)
※3 way syringe (cold /hot)
※Water tank (unit of two)
※4-hole handpiece tube
※Luxury chair frame
※Backrest with safety stop switch
※Foot pedal self-locking control system
※Assistant tray control system
※Built-in/built out junction box
※Operating stool 338A
1、AL-398AA Dental Unit
1.1 The lowest seat position: <430mm, the highest seat position: ＞720mm；
Load capacity of dental chair: 135kg ( not including treatment machine)；
Lifting speed of dental chair : ≥15mm\s，lifting stable and reliable;
Backward angle of backrest: ≤10°；
Movement of backrest range: 0-70°;
1.2 Headrest is adjustable，headrest expand and contract length : <120mm，headrest forward angle: 20°, backward angle: 40°.
1.3 Noise≤45 db. Adopts imported noiseless DC motor, can keep the user safety.
1.4 4 direction movement control by hand and foot, with microcomputer control system, with reset and PLC function (programmable control unit: control the circuit and other functions according to user requirements and logic programmed).
1.5 The dental unit is European style, beautiful and elegant, in line with the human engineering . Adopts PU leather , soft and comfortable.
2.1 Full computer operation, plane operated keyboard panel, convenient to observe and operate, can effectively avoid error operating .
2.1.1 Dental chair control: with uprising, declining, reclining,fore raking,reset and PLC function.
2.1.2 LED operating light control: manual switch / infrared sensing switch.
2.1.3 Water heater control : press button to control on and off.
2.1.4 Cup filler control : press button to control on and off , can be set up supply water quantify and automatically .
2.1.5 Spittoon flush control: press button to control on and off also Automatic timer shutdown function, can be set up the time to turn off .
2.1.6 LED X-ray film viewer : press button to control on and off .
2.1.7 Water filtration system : supply for handpiece purified water or distilled water and others clean water. With regulating switch, convince to operate .
2.1.8 Unit with two water tank system: fast to convert between two water bottle.
2.1.9 Assistant tray: 4-hand control, convince for assistant to operate.
2.2 Instrument tray
Using 2 set standard 4-hole high-speed handpiece.
Using 1 set standard 4-hole low-speed handpiece.
Configuration: 1set of 3-way syringe( nozzle better single use).
With 1set easy-clean instrument tray and 1 set X-ray film viewer.
Water and Air valve is on the right side of instrument tray, convenient for dentist to operate during treatment .
Movable instrument tray more convenient for operate.
2.3 Assistant tray
2.3.1 1 piece high power suction, 1 piece saliva ejector.
2.3.2 Nozzle is easy to change.
2.3.3 With spittoon flush、cup filler 、water heater and dental chair movement control by nurse.
2.4 LED operating light
Infrared sensing switch +manual switch (3 shifts ).
Shift is adjustable , low shift ≤8000Lx，high shift ≥20000Lx.
Color temperature 5000-6000K.
2.5 LED X-ray film viewer :
Illumination of the film viewer ≥2200Lx.
2.6 Melamine polymer material spittoon .
2.6.1 Easy to clean and disinfection, anti high temperature (+120°), detachable .
2.6.2 Draining speed of spittoon ≥4.5L\min.
2.7 With 1 pcs operating stool 338A, height is adjustable , removable and flexible.
2.7.1 Lifting of operating stool range: 130mm.
2.7.2 Load capacity of operating stool : 155kg.
2.7.3 Chair cushion of operating stool with seamless PU leather , soft and comfortable, easy to clean and care.
（1）Imported 24V noiseless DC motor , less noise and stable .
（2）Handpiece tube and PU water-proof tube is durable, not easy to turn ageing and hard.
（3）Chair cushion with PU leather, easy to clean and care.
（4）Hexagonal membrane, long term use.
（5）Solenoid valve is reliable and faultless.
（6）High pressure Spring, long term use and faultless.
（7）Hanpiece to control integrated value.
（8）Operating stool with stainless five-star tripod and wheels, stable and safety .
Air：Air voltage 0.6MPa～0.80Mpa flux＞50L/min no oil
Water ：water voltage 0.20MPa～0.40MPa flux ＞10L/min rigidity ＜25 degree
Power ：a.c.110V/220V-50Hz/60Hz 350VA
Environment: temperature 5～40℃ relative moisture 30％～75％
Installation area : 2×3 square meter .
Inside with package ：Manual, packing list, warranty card.