The EO-Hseries Ethylene Oxide Gas Sterilizer offers a vertical, electric heating solution for efficient sterilization. Available in multiple volumes (70L to 285L), it features a 3.5-inch LCD display, a 304 anti-corrosion stainless steel sterilization room, and a full-automatic control system for one-click operation. Advanced sensors monitor temperature, humidity, and pressure, ensuring precise sterilization conditions.

Key Features — EO-HSeries

3.5-inch LCD display
304 anti-corrosion stainless steel sterilization room
Automatic ventilation (5 cycles, every 15 minutes)
Full-automatic control system (one-click start to finish)
Oil-free vacuum pump

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PARAMETER	SPECIFICATION
Product name	Ethylene Oxide Sterilizer
Product form	Vertical
Heating method	Electric heating
Power / Volume / Chamber size	EO - H80: 2.6 KVA / 70L (Liner size: 585 x 275 x 422mm) EO - H120: 3.0KVA / 105L (Liner size:585 x 375 x 472mm) EO - H220: 3.3KVA / 195L (Liner size:700 x 505 x 552mm) EO - H330: 3.6KVA / 285L (Liner size:760 x 545 x 682mm)
Power	AC220V, 50Hz
Temperature display	3.5 inch LCD display
Material of Sterilization Room	304 anti - corrosion stainless steel
Outer box material	Carbon steel spray plastic
Temperature during sterilization	50 ℃ ± 3 ℃
Working pressure	- 60kpa
Highest anti - stress value	- 140kpa
Humidity during sterilization	45% - 80%
Selected gas	Pure ethylene oxide gas
Sterilization time	0 - 99 hours adjustable
Air Replacement	Automatic ventilation, 5 cycles of ventilation, every 1 5 minutes
Full - automatic control system	One - click start to finish, the whole process is completed automatically
Sterilization record	The system can store 500 pots of sterilization records
Display status	Display operating status, temperature, humidity, pressure, sterilization time, residual gas treatment time, times, steam generator temperature.
Humidity Sensor	The built - in humidity sensor automatically detects the humidity in the cavity.
Pressure Sensor	The built - in pressure sensor automatically d etects the pressure in the cavity
Temperature Sensor	The built - in temperature sensor automatically detects the temperature in the cavity, the accurate range is 50 ℃ ± 3 ℃ .
Vacuum system	Use oil - free vacuum pump.
Seal door	304 stainless steel aluminum material, thickness ≥ 2mm, pressure resistance 200Kpa.
Humidification System	Using pulse steam humidification
Residual gas treatment device	The filtration rate of the filter to the particle diameter ≥0.3 μ m is not less than 99.5%
Vacuum rate	Under no - load con ditions, the time for the sterilizer to be vacuumed from normal pressure to - 60 kPa ≤ 30 min
Automatic dosing	Puncture technology built into the sterilization chamber.
Heating system	The explosion - proof electric heating device is used in the sterilization chamber
Multiple protection functions	With over - voltage and over - temperature protection functions, it is more safe and reliable
Alarm system	Have high temperature alarm system, ultra low pressure alarm system

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 EO-H40 series. The series overview lists every model side by side. Open series overview

Parameter	EO-H40	EO-HSeriesThis model
Product form	Desktop	Vertical
Power	1.3KVA	AC220V, 50Hz
Outer box material	ABS plastic	Carbon steel spray plastic

Warranty and after-sales service for EO-HSeries

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.

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