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Transmitter with precise Testo humidity sensor that has long-term stability (±2.5 %RH)
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Two analog outputs (humidity/temperature)
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Built-in ventilator enables flow impact onto the sensor for recording an average climate in the greenhouse
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Optimum protection of electronics and sensor from humidity influences (e.g. during sprinkler irrigation) thanks to integration of the probe in the housing
The testo 6631 temperature and humidity transmitter is designed for use in greenhouses and laboratories. Use the transmitter for reliable monitoring of critical climates in biological research.