Testo 6651 Temperature and Humidity Transmitter

Overview

The Testo 6651 transmitter is built for demanding measuring tasks. In combination with the testo 660x probe series, it can master exceptionally demanding measurements in air-conditioning technology and numerous other fields of application, delivering reliable temperature and humidity signals for control and monitoring.

With two measuring channels, a wide choice of humidity units (%RH, °Ctd, °Ftd and g/m³) and flexible current or voltage outputs, the testo 6651 adapts to a wide range of installations. An optional Ethernet module can be fitted as an intermediary layer for network integration, and its plastic housing and 24 V / 20-30 V supply options make it easy to install in building-management and process systems.

Key Features

• Modular transmitter for demanding temperature and humidity tasks
• Works with the testo 660x probe series
• Two measuring channels with flexible current and voltage outputs
• Humidity units in %RH, °Ctd, °Ftd and g/m³
• Optional Ethernet module for network integration
• 2-wire and 4-wire supply options for easy installation

Applications

• Air-conditioning and demanding climate measurement
• Process and industrial temperature/humidity monitoring
• Building-management and network-integrated monitoring
• Continuous, high-accuracy measurement tasks

What’s in the Box

• testo 6651 temperature and humidity transmitter
• Mounting accessories
• Documentation
• (testo 660x probe ordered separately)

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