Overview
Ziann dental unit ZA-208Q2 designed for clinical dental procedures with a third‑generation compensation chair to improve patient positioning and operator access.

Design & Comfort
Third‑generation compensation chair with integral frame to support patient spinal curve and improve circulation. Patient chair height range: lowest ≤500 mm, highest ≥700 mm. Backrest reaches working position in ~9 seconds.

Materials & Upholstery
NAPA environmental leather cushion (1.2 mm thickness) with high rebound resilience, wear resistance and breathability. Backrest inner structure: 4 mm steel with electrostatic spray finish for durability.

Chair & Ergonomics

• Narrow back design filled with slow‑rebound memory foam for wrapped comfort and reduced friction.
• Adjustable multi‑angle headrest to stabilize head position during procedures.
• Horizontally rotatable armrest to facilitate patient entry and exit.

Spittoon & Side Box
Detachable movable spittoon with 90° rotating glass (ceramic optional) and deepened bowl to reduce splashing. 45° movable side box with injection‑molded housing and opposite door for maintenance access.

Lighting & Lamp Holder
Philips LED operating light: illumination range from low light >15000 Ix to bright. Infrared sensor and touch control for stepless dimming. Cast aluminum lamp holder tested to 100,000 fatigue cycles for long service life.

Instrumentation & Controls

• Stainless steel instrument tray with nine memory presets, 18‑key control panel with integrated film viewer, and 6‑rack instrument holders with 90° rotation. Bottom shell in cast aluminum.
• Four‑hand assistant tray with multifunction control panel for common chair functions to improve clinical efficiency.
• Multifunction foot pedal with self‑lock: controls chair up/down, backrest forward/back, air/water functions, lamp on/off and handpiece control.
• Dentist stool (model E): 360° silent casters, height adjustment and reclining backrest to support posture.

Cabinet & Structure
High‑strength integral cast aluminum cabinet resistant to rust and deformation. Cast aluminum side housing and lamp holder increase durability and stability.

Junction Box & Utilities
Enclosed power design meeting European safety standards: moisture‑proof, dustproof and EMI‑protected. Main switches for water, electricity and air; barometer on junction box for monitoring water/air status.

Other Features
Foot pad allowing patients to keep shoes on during treatment for convenience and easier cleaning. Optional micro‑fiber leather colors available.

Technical parameters
Illumination (operating light): Low light >15000 Ix < Bright light
Film viewer illumination: ≥2000 Ix
Film viewer color temperature: ≥6500 K
Foot switch starting force: 10 N – 50 N
Noise: <70 dB(A)
Wastewater discharge: >4 L/min
Patient working load: 150 kg
Instrument tray load: 5 kg
Assistant frame load: 3 kg
Water tank capacity: 800 ml / 1200 ml (pressure 0.25 MPa)
Chair height: lowest ≤500 mm, highest ≥700 mm
Backrest movement range: 105°–170°
Headrest extension: 120 mm
Maximum rear tilt of seat cushion: ≤12°
Water heater temperature: 40±5 ℃
Recommended workspace: length ≥3000 mm / width ≥3000 mm / height ≥2500 mm

Specifications

• Model: ZA-208Q2
• Working load (patient): 150 kg
• Backrest movement: 105°–170°
• Chair height range: lowest ≤500 mm, highest ≥700 mm
• Headrest extension: 120 mm
• Instrument tray load: 5 kg
• Assistant frame load: 3 kg
• Water tank options: 800 ml / 1200 ml (0.25 MPa)
• Operating light illumination: >15000 Ix
• Noise: <70 dB(A)
• Wastewater discharge: >4 L/min
• Water heater: 40±5 ℃