The DU - 402A Portable Dental Unit, housed in a convenient aluminum box, offers a comprehensive solution for dental procedures on the go. It includes essential components for air compression, suction, and instrument delivery, along with optional upgrades for enhanced functionality.

Get the price list by email

Model-specific documentation

Documents for DU-402A

Check the covered model, language and document status before use. The manual supplied with the actual unit remains the controlling reference.

Product datasheet · English

DU-402A Portable Dental Unit product datasheet

Public PDF

HQS datasheet for the DU-402A: product overview, features and the technical specifications published for this model. Confirm the ordered configuration in your quotation.

Product overview
Features
Technical specifications

Covered model: DU-402A
Length: 1 pages
File: PDF · 176 KB
Web copy prepared: 2026-09-25

View datasheet Download PDF

Need a different language or configuration-specific document?

Documentation center Request checklist Comparison worksheet

Portable Dental Unit Specifications

PARAMETER	SPECIFICATION
Supply Pressure	110V~220V/50Hz~60Hz
Power	600W
Air Flow	130L/min
Pressure	0.8Mpa
Noise	40dB(A)
N. weight/G. weight	21kgs/24kgs
Dimension	49cm38cm52cm

Compare models in this series

Differences below are taken from the specifications published for each model. Confirm the final configuration in your quotation.

This model belongs to the DU-402 series. The series overview lists every model side by side. Open series overview

Parameter	DU-401	DU-402	DU-402AThis model	DU-402B	DU-406	DU-406A
Power	410W	600W	600W	600W	600W	600W
Air Flow	65L/min	65L/min	130L/min	130L/min	130L/min	130L/min
Pressure	0.6Mpa	0.6Mpa	0.8Mpa	0.8Mpa	0.8Mpa	0.8Mpa
Noise	39dB(A)	39dB(A)	40dB(A)	45dB(A)	40dB(A)	40dB(A)
N. weight/G. weight	—	18kgs/20kgs	21kgs/24kgs	22kgs/25kgs	29kgs/34kgs	28kgs/33kgs
Dimension	51cm32cm31cm	49cm36cm49cm	49cm38cm52cm	49cm38cm52cm	54cm41.5cm75cm	54cm41.5cm75cm

Configuration

Three Way Syringe 1set
Oilless Air Compressor 1set
Suction System 1unit
Water bottle 1unit
Drain bottle 1unit
Foot Control 1unit
Stainless Steel Air tank 1set
Pull rod 1set

Options & accessories

High Speed Handpiece 1 set
Low Speed Handpiece 1 set
Built - in Ultrasonic Scaler 1unit
Built - in LED Light Curing 1unit

Warranty and after-sales service for DU-402A

How HQS handles warranty, spare parts and repairs for this model.

Warranty period: The main-unit warranty varies by model and order. The period that applies is stated in your quotation and order confirmation; please confirm it before purchase.
What is covered: A malfunction caused by a manufacturing or quality defect within the warranty period is repaired free of charge. Consumables and accessories, damage from misuse, and units with an altered or removed serial label are not covered by the main-unit warranty.
Spare parts: Spare parts and technical support are available for at least eight years from the date HQS ships the product.
Response time: Service requests get a first reply within one business day. Please send the serial number, model, main-unit version and a description of the problem.
Repairs in warranty: If a confirmed warranty fault needs a replacement part, HQS ships the part at its own expense, and the faulty part is returned to HQS.
Repairs after warranty: HQS sends a cost-based quotation and proforma invoice first. Repaired parts are tested before they are returned. Technical help by email or phone is free.

Full warranty and service terms →