Testo 435-4 Multifunction Indoor Air Quality Meter

Overview

The Testo 435-4 multifunction meter allows you to carry out a wide variety of measurements to inspect and adjust ventilation and air-conditioning systems and check indoor air quality. In addition to the many functions and features of its smaller brother, the testo 435-2, the 435-4 has an integrated differential pressure sensor for measurements with a pitot static tube and for filter monitoring.

With connectable probes for air velocity, humidity, CO₂ and lux, plus high-precision temperature inputs (NTC, TC Type K and T), absolute pressure measurement and 10,000-value memory, the testo 435-4 is a complete platform for airflow, pressure and IAQ work. Its rugged IP54 housing and long battery life make it dependable for demanding daily professional use.

Key Features

• Top-of-range modular IAQ and climate meter
• Integrated differential pressure sensor for pitot-tube measurement and filter monitoring
• Absolute pressure measurement up to 2,000 hPa
• Temperature inputs for NTC, TC Type K and TC Type T
• Wide range of plug-in probes for air velocity, humidity, CO₂ and lux
• Memory for 10,000 measuring values, rugged IP54 housing

Applications

• Inspection and adjustment of ventilation and air-conditioning systems
• Pitot-tube air velocity/volume flow and filter monitoring
• Indoor air quality and climate assessment
• Duct pressure, temperature and humidity measurement

What’s in the Box

• testo 435-4 multifunction indoor air quality meter
• 3 x AA batteries
• Silicone-free connection hose (5 m) for differential pressure
• 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