Multiple Sensor Options – Flexibility to choose O2 (leaded or lead-free), CO, H2S, LEL (Pellistor or IR), HCN and SO2 sensors to suit specific application needs.
ARA X4 Multi Gas Detector
A rugged multi gas detector, providing strong protection and elevated worker safety across numerous environments
A rugged multi gas detector, providing strong protection and elevated worker safety across numerous environments.

About ARA X4 Multi Gas Detector
ARA-X4 is a durable, high-performance multi gas detector designed to provide strong protection in hazardous environments. With the ability to monitor up to four gases simultaneously, the ARA-X4 multi gas detector ensures real-time detection of hazardous gases, helping organisations comply with health and safety regulations while preventing accident and exposure risks.
The ARA-X4 multi gas detector is a rugged, 4-gas compliance instrument designed for the protection of workers in hazardous environments. Certified by ATEX and IECEx and featuring an IP67 ingress protection rating, ARA-X4 offers a dependable, cost-effective, and user-friendly solution for worker safety. Ideal for confined space entry and personal health protection, it provides real-time detection of O2, CO, H2S, HCN, SO2 and LEL levels, ensuring compliance with safety regulations.
Each ARA-X4 instrument comes with the assurance of a 5-year warranty*, ensuring long-term dependability and peace of mind. With this extended protection, you can trust that your ARA-X4 is built to last and supported for years to come.
Why choose ARA X4 Multi Gas Detector
Instrument Warranty – Dependable instrument performance backed by a 5-year warranty.
User-Friendly Design – green & red backlighting, along with a clear, easy navigable interface.
Flip Screen – LCD screen features a ‘flip’ function to flip the screen based on instrument orientation, ensuring easy readings.
Documentation (Quick Start Guide, Calibration Certificate, Safety Information, Declaration of Conformity, ION Science: Who The manufacturer is)
O2 (lead or lead-free options)
ARA X4 Multi Gas Detector technical data
- Gas Sensor Options
- Electrochemical:
- Battery
- Li-ion battery, DC 3.7V, 2000mAh
- Status Indicator
- Visual: 6 red/green LED, plus 1 green LED (confidence) Audible: 95dB @ 30cm Vibrating: Vibrator (temperatures greater than -10ºC)
- Display
- LCD: 45 x 45 mm, internal backlight (red and green), FTSN, COG 128 x 128 graphic LCD, FPC
- Environmental Specification
- Operational Temperature: -20ºC to +55ºC, 5~95% RH
- Ingress Protection
- IP67
- Communication
- IR communication to ARA-X Manager via IR link
- Certification
- ATEX/IECEx: Ex ia op is IIC T4 Ga or Ex da ia IIC T4 Ga North America: CL. I DIV 1, GRP. A,B,C,D T4 CL. I ZN 0. AEx ia op is IIC T4 Ga or CL. I ZN 0. AEx da ia IIC T4 Ga
- Warranty
- 5 years** *Based on 11 hours of use per day
ARA X4 Multi Gas Detector in detail




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