Technical parameters
1, GD-300 dental unit (with compesation position chair)
1.1, the minimum chair  is less than 430mm, and the maximum chair position is less than 720mm;
Chair load 135kg (without treatment machine);
Chair lifting speed is more than 15mms, and is very stable;
Cushion inclined angle is less than or equal to 10 degree;
Back 0 degrees to 70 degrees.
1.2, the headrest can be adjusted, head extension length of less than 120mm, head tilt angle of 20 degrees, tilt angle of 40 degrees
1.3, noise less than 45 decibels, the motor rotates with mute DC motor, ensure the safe use of the hospital.
1.4, the machine has a hand control and foot control four directions chair mode of operation, with the microcomputer control system, a reset and PLC (programmable controller: according to user requirements and to control the circuit with programming logic function).
1.5, the machine is handsome, and conforms to the principles of human function, European style modeling,.PU leather pad with artificial leather, seamless compression molding; or choose super fiber environmental protection: soft, wear-resistant, bright colors
1.6, the power supply voltage: a.c.100V110V220V230V-50HZ60HZ
Motor voltage: d.c24V
Source pressure: 0.2MPa ~ 0.4MPa
Air pressure: 0.5MPa ~ 0.8MPa

2, treatment unit
2.1, the whole computer control, plane operation switch panel, convenient for doctors to observe and operate, and also not easy to cause wrong operation
2.1.1 chair position control: rise, fall, back, forward, reset  function
2.1.2 shadowless lamp control:  Shadowless lamp light intensity
2.1.3 water heater control: point action, open, close
2.1.4 mouthwash feed water control: inching operation, opening and closing, quantitative feed water setting function and automatic feed water supply function
2.1.5: move the spittoon flushing control operation, and automatic timing closing function, closing time can be set.
2.1.6 low voltage watch lamp control: pull, operate, turn on, turn off

2.2, instrument tray

(two sets of four holes or two holes) standard high-speed handpiece tube
(a set of four holes or two holes) standard low speed handpiece tube
Configuration: two syringe . (the gun head and the shell can be separated quickly, high temperature sterilization).
Configuration easy cleaning instrument plate and a set of view lamp.
Water regulating valve is located in the instrument right, bring convenience for doctors working in the process.

2.3, the assistant side

2.3.1 a strong suction, a weak suction
2.3.2 saliva suction tube can easily remove cleaning and disinfection.
2.3.3 is equipped with a set of syringe. (spray gun and shell can be separated quickly and can be sterilized at high temperature)
2.3.4 provided by nurses the cupping, water supply, heating and position control.

2.4, LED sensor cold light  with mirror

Six LED bulbs spead around the 150mm circle to ensure the good shadowless effect. Patented optical system design. Superb light spot.
Oral cold light can infrared induction switch control stepless dimming switch
Color temperature 4800-5500K.

2.5, ceramic spittoon
2.5.1 easy to clean, easy to disinfect, removable
The water velocity is greater than or equal to 4.5L min. 2.5.2 spittoon

2.6 configuration debugging a doctor chair, height adjustable, flexible movement.

 2.6.1 chair lift range 130mm.
2.6.2 doctor chair maximum load is 135kg.
2.6.3 with lumbar adjustment, to slightly long time work

Options:

1 Buit in curing light

2 Dental handpiece (2 high speed handpiece and 1 low speed handpiece)

3 Doctor stool(luxury model)

4 Oral cameral system

5 Built in ultrasonic scaler

6 Up mounted tray

7 Dental oil free air compressor

8 Electric micro motor

9 Leather cushion

10 Suction

11 Mobile cart

12 Optical fiber system