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HMI41 Hand-Held Humidity and Temperature Meter for Tight Spaces

Vaisala HUMICAP® Humidity Indicator HMI41
Vaisala HUMICAP 40 Years!

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    Overview

     Overview

      The Vaisala HUMICAP®Humidity Indicator HMI41 fitted with the Vaisala HUMICAP® Humidity and Temperature Probes HMP42 or HMP46 can be used for spot checking and field calibration applications.

      • Two probe options HMP42 or HMP46
      • RH measurement range 0 ... 100 %RH
      • Temperature measurement range -40 ... +100 °C (-40 ... +212 °F), with the HMP46 only for short periods up to +180 °C (+356 °F)
      • Calculates dew point, wet bulb temperature, absolute humidity and mixing ratio
      • Versatile and easy-to-use
      • Incorporates Vaisala HUMICAP® Sensor
      • Excellent stability
      • Data collection with serial line
      • NIST traceable (certificate included)
      • Optional carrying case and calibration cable
      Technical Specifications

       Technical Specifications

      Humidity measurement


      ​Measurement range ​0 ... 100 % RH

      ​Accuracy at +20 °C (+68 °F) ​± 1 % RH (0 ... 90 % RH) HMP46
      ± 2 % RH (90 ... 100 % RH) HMP46
      ± 2 % RH (0 ... 90 % RH) HMP42
      ± 3 % RH (90 ... 100 % RH) HMP42
      ​Factory calibration uncertainty (+20 °C / +68 °F)
          0 … 15 %RH
         15 … 78 %RH


      ±1 %RH
      ±1.5 %RH
      ​Typical long-term stability ​better than 1 %RH per year

      ​Sensor

      ​    HMP46 ​Vaisala HUMICAP® 180

      ​    HMP42 ​Vaisala HUMICAP® MINI

      Temperature measurement


      ​Measurement range

      ​    HMP42 & HMP46
      ​-40 ... +100 °C (-40 ... +212 °F)

      ​    HMP46 short-term
          measurement

      -40 ... +180 °C (-40 ... +356 °F)

      ​Sensor


      ​     HMP42 & HMP46 ​Pt100 IEC 751 class B

      HMI41 Indicator


      ​Operating temperature
      ​-20 ... +60 °C (-4 ... +140 °F)

      ​Storage temperature ​-40 ... +70 °C (-40 ... +158 °F)
      ​Power supply ​4 batteries, type AA (LR 6)
      ​Battery operation time
      ​(alkaline batteries) ​72 h continuous use


      For complete specifications, please see the brochure or user guide in "Documents".

      Related Services
      • Warranty 
      • All Vaisala products and services are covered by a 12-month warranty as standard, with selected products covered for up to 24 months. During this period you benefit from free repair or replacement of faulty equipment. With Vaisala’s extended warranty, you get free repair or replacement for five years.
      • Repair Services 
      • Vaisala repair services include fault tracing and repair or replacement of failed components, as well as final testing to ensure your equipment is functioning properly. Repairs can be carried out on site or at one of our service centers.
      • Service Center Calibration 
      • Regular calibration ensures that your Vaisala equipment continues to provide accurate, high-quality data. We offer traceable, standards-compliant calibration services for almost all Vaisala products and partner with world-class couriers for rapid, trouble-free return of your equipment.
      • Spare Parts 
      • Get rapid access to the spare parts you need to maximize the uptime of your equipment and ensure reliable and accurate operation. In addition to standard spare part delivery, we also offer an express service where parts are shipped within one business day.
      Documents