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Product Datasheet PDF | Instruction Manual PDF
Description
The Testo 6681 temperature and humidity transmitter is designed for the precise validation and automated logging of environmental parameters within highly demanding and critical industrial process cycles. Optimized for seamless integration with the Testo 6610 probe series, this platform features high-precision sensor technology tailored for aggressive media tracking, high-humidity, and specialized trace humidity applications. Housed in a robust, easy-to-clean IP65-rated metal enclosure with integrated water-jet protection, it provides flexible communication nodes including Ethernet networks, configurable relays, and scalable analog output paths. It incorporates built-in self-monitoring early warning features alongside an optional 2-line visual status display panel to maximize facility system availability without continuous desktop PC dependency.
Industrial Applications
- Automated environmental tracking within heavy ceramic, tobacco, and commercial food drying processes
- Precise microclimate control loops and trace humidity tracking inside industrial cleanrooms and painting installations
- Sterilization cycle validation under harsh gas environments utilizing specialized H2O2 protective caps
Technical Specifications
| Parameter | Value |
| Measurement Accuracy | Up to ±(1.0 + 0.007 x reading) configuration dependent |
| Sensor Interfacing Compatibility | Testo 6610 digital probe architecture (trace humidity / high-humidity / aggressive media) |
| Communication Interfaces | Ethernet, relay channels, and 2 or 3 analog outputs |
| Parametrization Software | P2A software module for adjustment and diagnostic analysis |
| Enclosure Protection Class | Robust metal design conforming to IP65 water jet safeguards |
| Display Configuration | Optional integrated 2-line commissioning interface panel |
Package Contents
- Testo 6681 industrial climate transmitter
- Technical operational manuals