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The testo 6681 temperature and humidity transmitter is ideal for monitoring critical climate values in industrial processes or in research. The transmitter is designed for use in industry and is a reliable partner in trace humidity and compressed air process technology, drying and air conditioning technology.
Areas of application for the testo 6681 temperature and humidity transmitter
Drying processes (e.g. drying tobacco, drying ceramics)
Painting installations
Food production (e.g. cheese processing, ripening fruit, drying pasta, mushroom cultivation)
Bio research
High-humidity applications
Sterilization processes in an H2O2 environment
Cleanrooms
Technical highlights of the testo 6681 climate transmitter
Maximum measuring accuracy up to ±(1.0 + 0.007 x reading)
Reliable and long-term stable humidity sensor
Ethernet*, relay and analog outputs allow for versatile use, e.g. for control purposes (optionally 2 or 3 analog outputs), for direct activation of air-conditioning units (optionally via relay) or even in indoor climate monitoring systems (optionally via Ethernet connection)
Options for self-monitoring and early warning ensure a high level of system availability
Robust metal housing and water jet protection according to IP65
Optional 2-line display enables commissioning, adjustment and analysis without using a PC
Enjoy all the benefits with the practical accessories
Wide range of high-quality digital probes available: To commission the transmitter, you need a connectable probe. Use, for example, probes for high humidity or trace humidity measurement, probes for aggressive media
Smart probe technology: Easy probe replacement, digital interface to the transmitter, intelligent calibration concept
Optional protective probe caps available for special applications (made of stainless steel, PTFE, wire mesh filter, metal, or a patented H2O2 protective cap)
Quick and easy commissioning and maintenance using the P2A software for parametrization, adjustment and analysis