Testo 535 Digital CO₂ Measuring Instrument

Overview

The Testo 535 is a digital CO₂ measuring instrument designed for assessing indoor air quality in offices, schools, meeting rooms and other occupied spaces. It measures ambient carbon dioxide concentration from 0 to 10,000 ppm using a long-term stable infrared sensor, helping you identify when a room needs ventilating to keep occupants comfortable and alert.

With app connectivity, the testo 535 makes it easy to display, document and share readings, and its compact, robust design keeps it convenient for spot checks and monitoring. A clear display, long battery life and simple operation make it a dependable tool for facility managers, HVAC professionals and health and safety teams.

Key Features

• Ambient CO₂ measurement from 0 to 10,000 ppm
• Long-term stable infrared (NDIR) CO₂ sensor
• App connection for display, documentation and sharing
• Helps identify when rooms need ventilating
• Compact, robust design with long 30-hour battery life
• Clear display and simple one-hand operation

Applications

• Indoor air quality assessment in offices, schools and public spaces
• Ventilation monitoring in occupied rooms
• Facility management and health and safety checks
• HVAC and IAQ documentation

What’s in the Box

• testo 535 digital CO₂ measuring instrument
• 3 x AA batteries
• Calibration protocol

Why buy from MME in UAE

MOHAMMAD MAHDI Electronics Trading LLC (MME) is a trusted supplier of testo measuring instruments in the UAE, offering genuine products, competitive pricing and knowledgeable local support. Order with confidence and get fast delivery across Dubai, Abu Dhabi and the wider Emirates. Download the datasheet