calibration instruments

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Most weather sensors need calibration and maintenance on a regular basis to maintain an optimum performance. Wittich & Visser offers calibration devices and accessories for all probes.

  • Portable humidity and temperature generator to calibrate humidity and temperature measuring instruments (multi-point calibration)
  • The rock solid stability, minimal thermal gradients, and rapid time for set-point changes of HygroGen2-S are now replicated in a new family member: HygroGen2-XL, which boasts a chamber with 10 times the capacity.


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