Vaisala HUMICAP® Moisture and Temperature Transmitter Series for Oil MMT310

 

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    Overview
     

     Overview

     
      • Continuous measurement of moisture in oil with excellent long-term stability
      • Proven Vaisala HUMICAP® sensor, 10 years in oil applications
      • Measurements in lubrication, hydraulic and transformer oils
      • Excellent pressure and temperature tolerance
      • Measuring water activity - ppm calculation for transformer oil
      • Small size, easy to integrate
      • NIST traceable calibration
      • Applications: e.g. monitoring of transformer oil and of lubrication systems in marine and paper industry
      Technical Specifications
       

       Technical Specifications

       

      Water activity measurement


      ​Measurement range

      ​Accuracy ​0 ... 1

      ​     0 ... 0.9 ​±0.02

      ​     0.9 ... 1.0 ​±0.03

      ​Sensor ​Vaisala HUMICAP®

      Temperature measurement


      ​Measurement range
      ​-40 ... +180 °C

      ​Accuracy at +20 °C ​± 0.1 °C (± 0.18 °F)

      ​Sensor ​Pt 100 IEC 751 1/3
      class B

      Operating environment


      ​Temperature (electronics) ​-40 ... +60 °C
      (-40 ... +140 °F)

      ​Storage temperature ​-55 ... +80 °C
      (-67 ... +176 °F)

      ​Pressure range for MMT318
      with ball valve up to 120 °C

      0 ... 40 bar

      ​Pressure range for MMT317 ​0 ... 10 bar

      Inputs and outputs


      ​Operating voltage Uin
      ​24 VDC (10 ... 35 VDC)

      ​Power consumption @ 20 °C,
      Uin = 24 VDC with RS-232C

      20 mA

      ​Two analog outputs,
      selectable and scalable
      ​0 ... 20 mA or
      4 ... 20 mA

      ​Serial output ​RS-232C

      Mechanics


      ​Probe cable length ​2, 5 and 10 m

      ​Material

      ​   transmitter housing
      ​G-A1Si10Mg

      ​   transmitter base ​ABS/PC

      ​Housing classification ​IP65 (NEMA 4)


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

      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.