testo 6631 humidity/temperature transmitter for greenhouses ... - Temperature/humidity transmitter

Order-Nr.  0555 6631

  • Transmitter with precise Testo humidity sensor that has long-term stability (±2.5 %RH)

  • Two analog outputs (humidity/temperature)

  • Built-in ventilator enables flow impact onto the sensor for recording an average climate in the greenhouse

  • Optimum protection of electronics and sensor from humidity influences (e.g. during sprinkler irrigation) thanks to integration of the probe in the housing

testo 6631 humidity/temperature transmitter for greenhouses and laboratories, accuracy ±2.5 %RH, selectable signal outputs, optional display, external interface for adjustment and setup, 2 analog outputs, integrated ventilator

**NOTE: Please contact Testo to ensure proper configuration when ordering the testo 6631 Transmitter**


Product Description

Ideal for use in greenhouses or laboratories: The testo 6631 temperature and humidity transmitter (measuring indicator) was specially developed for monitoring critical climates in biological research - so you can count on reliable measurement results.

The advantages of the testo 6631 temperature and humidity transmitter

High-quality, clever features:

  • Long-term stable and reliable thanks to the high-precision humidity sensor in proven Testo quality
  • Integrated ventilator for targeted flow impact onto the sensor – so you can record an averaged climate within greenhouse cells

Quick and easy commissioning and maintenance:

  • Parametrization, adjustment and analysis software (P2A)
  • Ventilator insert and plug-in cable enable quick, easy ventilator replacement
  • Easy replacement of the sensor and adjustment by means of a saline pot thanks to the easily accessible service opening

Delivery Scope

  • testo 6631 humidity/temperature transmitter (measuring indicator) for greenhouses and laboratories with selectable signal outputs including instruction manual
  • Optionally with display


Product Brochures



  • P2A PC software Update-Demo for transmitter  (v1.9, text/x-html, 1 KB) If you already have the P2A PC software installed on your PC, your existing version will be updated. The update is possible with any version of the P2A PC software. However, this version can also be used as a demo version for customers who do not already own the P2A PC software. It expires after 30 days, but can be activated at any time via an activation code.