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  • Products
    • Industrial Measurements
      • Products by parameter
        • Humidity (for normal or wet conditions)
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          Transmitters for indoor and outdoor use
          HVAC products
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          Handhelds
          For spot-checking and calibration
          Handheld devices
          For spot-checking and calibration
        • Industrial transmitter
          Industrial Transmitters
          Wall-mount and duct-mount transmitters
          Industrial transmitter
          Wall-mount and duct-mount transmitters
        • Polaris refractometer
          Polaris process refractometers
          The pioneering optical in-line process refractometer for liquid measurements.
          Polaris refractometer
          The pioneering optical in-line process refractometer for liquid measurements.
        • Power transformer monitoring device
          Power transformer monitoring
          Optimize efficiency
          Power transformer monitoring device
          Optimize efficiency
        • Biogas monitoring
          Biogas monitoring
          Get a full picture of biogas quality
          Biogas monitoring
          Get a full picture of biogas quality
        • Probe in hand
          Probes & OEM modules
          World-class sensor technology
          Probe in hand
          World-class sensor technology
        • Continuous monitoring system
          Indoor Environmental Monitoring
          Systems for regulated and non-regulated environments.
          Continuous monitoring system
          Systems for regulated and non-regulated environments.
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      • Weather and Environmental Solutions
        • What are you measuring?
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        • What is your challenge?
          • Air quality monitoring
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        • Explore products:
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          • Vaisala K-PATENTS® Process Refractometer Services
        • Industries & Applications
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