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Datasheet PDF | CE Certificate PDF
Description
The high-performance Testo 6621 temperature and humidity transmitter is a specialized stationary solution designed for demanding applications in building air conditioning and building automation systems. Outfitted with a patented Testo humidity sensor, it delivers outstanding accuracy and certified long-term stability. The device features 2 analog outputs to seamlessly relay continuous temperature and relative humidity data to main control loops. Using the integrated interface and advanced P2A software, technicians can easily execute professional parameterization, trace signal chain adjustments, and perform deep diagnostic analysis during field commissioning.
Industry Applications
- Commercial HVAC Systems: Delivering exact climate input values to automate indoor ventilation and manage energy expenditure.
- Building Management Systems (BMS): High-reliability sensory connection points across modern residential, administrative, and industrial smart networks.
- Storage Climate Control: Stationary environmental checking inside server infrastructures, archives, and warehouses to optimize preservation variables.
Technical Parameters
- Measurement Channels: Temperature and Relative Humidity
- Analog Outputs: 2 x analog outputs (optionally 1 passive output variant)
- Humidity Sensor: Patented Testo sensor with enhanced long-term stability
- Configuration Interface: External port compatible with P2A software for adjustment/analysis
- Calibration Concept: Full signal chain verification (1-point, 2-point, and analog adjustment)
- Display Option: Available optionally with or without a 2-line LCD screen
- Housing Types: Room or duct design variations available in grey or white colors
Package Content
- Testo 6621 temperature and humidity measurement transmitter
- Calibration protocol