Characteristics of C9A dental unit
The C9A dental chair is HIROL's most popular product, with more than 4,000 of them sent around the world. The C9A dental chair is designed to be simple, functional, stable and outstanding, and uses many good and stable core components, such as the Taiwanese brand Timo Tlon DC motor. Since its sale in 2013, the C9A dental chair has been very popular all over the world.

• The C9A dental chair has a pipe disinfection system. It uses American brand medical pipes, which are environmentally friendly and have a service life of approximately 10 years.
• The Italian imported solenoid valve can be used below 90 °C. It works smoothly and its flow is large. It is also extremely reliable with a long service life.
• The chair is equipped with an infrared reflective LED intraoral camera that effectively relieves doctor eye fatigue, and filters blue light to reduce resin curing effects.
• The slim back ensures that the doctor can easily access the treatment area. In addition, because the back of the chair is very small to save space, dentists can work without raising their elbows up.
• The chair seat is also comfortable, due to the ultra-durable, artificial microfiber skin and low-flammability modeling foam used. As a result, the seat perfectly adjusts to patent body shapes, allowing the patient to remain comfortable and relaxed during treatment.

Electrical parameters
Total power: 800VA
Input power: single-phase AC 220V±5%, 50Hz
Idle speed of high-speed gas turbine hand piece: ≥35X104r/min
Idle speed of low-speed gas turbine hand piece: ≥18X103r/min
Illumination of oral cold light: 15000LX~25000LX
Illumination of dental X-ray viewer: ≥3000LX
Weak suction saliva ejector valve: vacuum level ≥25KPa, suction flow ≥510ml/min
Strong suction saliva ejector valve: vacuum level≥25KPa, suction flow ≥750ml/min

Physical parameters
Overall size: 1930mm X 950mm X 2000mm
Dental chair base: 115mm X 670mm (integrated cast aluminum)
Total weight: 280Kg
Minimum height of seat cushion from ground: ≤430mm
Maximum angle of seat cushion back: ≤10°
The range of backward angle: 105°~170°
The expansion range of headrest: 0~ 120mm
The load capacity of the E60 dental unit: ≤ 1350N
The classification of medical instruments: class Ⅱ a
Noise: ≤42dB
Electrical classification: class1
EMC classification: class 1B

• Fully computer controlled operation. Waterproof and dustproof touch buttons which are 5 times working life longer than traditional buttons. The dental chair has automatic position reset and special memory functions. The main control board and sub-control board are equipped with computer keys. The power system adopts the Taiwanese-branded linear silent motor, and the overall height adjustment time is within 9 seconds. The power system does not require maintenance.
• Headrest can be adjusted and locked with one hand. The dental chair is wide enough. Dental chair ultra-fiber environmental protection skin sewing made.
• Dental chair also is designed with double armrest. The outside armrest can be opened as needed. The balance arm adopts a pressure-locked design and the arm joint uses a pull-down plane bearing, so the entire instrument arm can be pushed and pulled freely. Dental chair can be freely switched between left and right hand operation.

• The handpiece is placed underneath, and is equipped with a water adjustment button for each handpiece. An instrument tray with a silicone soft mat is also equipped, with an oversized tool table used to place more treatment tools.
• The dental chair is equipped with a low-voltage dental X-ray viewer with a balanced luminosity, making it easy for dentists to carry out clinical treatment.
• The chair has a three-way syringe (water, gas, water mist) for use with cold or hot water, and a head that can be removed for easy cleaning and disinfection.
• The chair is equipped with a dual-control (manual or infrared) reflective LED intraoral camera with an adjustable intensity to effectively relieve doctor eye fatigue. In addition, the light intensity is adjustable. The dental chair's lamp features a continuous dimming function, and can filter blue light in order to reduce curing effects on the resin. In addition, the light's color temperature can also be adjusted.
• Through the use of a multifunctional pedal, you can simply and efficiently control chair lift, backrest pitch, working status of handpiece, quantity of handpiece water, chip air and water supply for spittoon.
• The preventing resorption system of the handpiece prevents internal infection in the handpiece pipelines.

• Four-handed frame with a wide moving range
• There are 15 function buttons, including computer keys that control operation of the flushing spittoon, rinsing, the automatic resetting of the dental chair and the closing of the patient position and oral light. In addition, the chair is equipped with a suction saliva ejector valve, which has an intensity control button in order to facilitate control of the suction flow.
• This department is the wet suction central vacuum design. In addition, this part has a weak suction saliva ejector valve, which features an intensity control button in order to facilitate control of the suction flow.
• This department also has a three-way syringe (water, gas, water aerosol) and a removable head for easy cleaning. It is also equipped with a vacuum filter.

Safety device
One-time removable spittoon, with a smooth body that is free of sharp edges: It can rotate up to 210 degrees for easy cleaning and disinfection. In addition, the waterflow is smooth, with the water speed being no less than 4L/minute.

Optional ground box
The ground box is movable and located on the side of the dental chair. The main box is made with vacuum formed technique, ensuring the box is corrosion resistant and will not fade. It also makes the assistant frame easy to operate with four hands, as well as easy to maintain.

An optional ground box can be installed on the dental chair, with the two being coordinated together to take up a small space. It is equipped with one switch for the control of water, gas and electricity, and will automatically drain to keep the air dry.

Standard configuration
24V DC Electrostatic Chair
Chair position adjustable function
Chair position memory system (3 positions)
Spittoon that can rotate 180 degrees
Strong/weak suction saliva ejector valve system
Three-way springe (cold/hot)
Handpiece water purification device
Disinfection device for pipeline
Quantitative and constant temperature water supply control system of cuspidor bowl rinse and mouth rinse cup fill 1 set
Dental X-ray viewer
Induction/manual oral light
Luxurious high performance LED surgical lamp
Multifunctional pedal
Switch of water, electricity and gas
Dentist seat
Luxurious and comfortable sofa leather seat cushion
U.S. imported water/trachea
Taiwanese brand TIMO Tlon DC Motor

Optional configuration
Imported four-hole high-speed handpiece
Imported four-hole low-speed handpiece
Domestic scaler
Light Emitting Diode
Top-mounted instrument tray
Oral cavity endoscope