HMM210 Series Humidity Modules for Environmental Chambers

 

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    Overview
     

     Overview

     
    • Three probe configurations:
    • Relative humidity (RH) plus temperature (T) probe.
    • Dewpoint probe with probe heating. By heating the whole probe a few degrees above ambient condensation is avoided.
    • Dewpoint probe described above, together with a temperature probe for obtaining relative humidity and temperature outputs.
    • Three module configurations
    • Different probe and cable lengths
    • Chemical purge option maintains high measurement performance in demanding chemical conditions.
    • Calibration certificate included
    Technical Specifications
     

     Technical Specifications

     

    Relative Humidity

    Measurement range
    ​0 ... 100 %RH
    ​Accuracy (including non-linearity,
    ​hysteresis and repeatability) ​+2 %RH (0 ... 90 %RH)
    ​+3 %RH (90 ... 100 %RH)
    ​Response time (90 % at +20 °C/+68 °F)
    ​in still air (with sintered filter) ​60 s
    ​Typical temperature dependence
    ​of electronics ​0.02 %RH/°C (0.02 %RH/°F)
    ​Humidity sensor ​HUMICAP®180R

    Temperature

    Measurement range ​-70 ... +180 °C (-94 ... +356 °F)
    ​Typical accuracy of electronics at +20 °C ​+0.1 °C (+0.18 °F)
    ​Typical temperature dependence of electronics ​0.0025°C/°C
    ​(0.0025 °F/°F)
    ​Temperature sensor in RH+T probe:
        ​HMM211 and HMM213 ​Pt 100 RTD
    ​IEC 751 1/3 Class B
        ​HMM212 ​Pt 1000 RTD
    ​IEC 751 1/3 Class B
    ​Additional temperature probe ​Pt 100 RTD
    ​IEC 751 1/4 Class B

    Outputs

    ​Two analog outputs selectable
    ​    HMM211 ​0 ... 1 V, 0 ... 5 V, 0 ... 10 V
    ​0 ... 20 mA
    ​    HMM212 ​4 ... 20mA (loop powered)
    ​Digital output
    ​    HMM213 ​RS232

    General

    ​Operating temperature range
    ​    Probe ​-70 ... +180 °C (-94 ... +356 °F)
    ​    Electronics ​-5 ... +55 °C (+23 ... +131 °F)
    ​Storage temperature range
    ​(Electronics) ​-40 ... +70 °C (-40 ... +158 °F)
    ​Sensor protection (standard) ​stainless steel sintered filter
    ​Connections ​screw terminals for 0.5 ... 1.5 mm2 wires

    Power Supply

    Operating voltage ​10 ... 35 VDC
    ​In modules with analog outputs the supply range depends to a certain extent on the selected output range.
    ​Current consumption without sensor head warming or re-gaining option
    ​HMM211 & HMM213 ​12 mA at 35 VDC

    Configuration Options

    ​Compatible with modules:
    ​PROBES HMM211​ ​HMM212 ​HMM213
    ​RH+T ​yes ​yes ​yes
    ​    Dewpoint (heated composite sensor) ​yes ​yes
        ​Temperature ​yes ​yes
    ​ ​ ​
    CABLE LENGTHS
    ​    RH+T and Dewpoint probes ​65, 150 and 300 cm
    ​    Temperature probe ​150 and 300 cm
    ​CHEMICAL PURGE ​Automatically takes place at power-up
    ​HUMICAP® is a registered trademark of Vaisala. ​
    Services
     

     Services

     

    Technical Support
    Get fast, easy access to professional support over the entire life cycle of your equipment. The Vaisala HelpDesk is your single contact point for technical inquiries related to Vaisala products and systems.   

    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.

    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.

    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.