Vaisala HUMICAP® Moisture and Temperature Transmitter Series for Oil MMT330

DNV Type Approved Product

TYPE APPROVED PRODUCT
CERTIFICATE NO.: A-11440
 

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Technical Support

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    Overview
     

    Overview

    		 
      • Three probes for moisture in oil measurements (MMT332 for high pressure installation, MMT337 with optional Swagelok connector, is ideal for tight spaces with a thread connection, and MMT338 for pipeline installations)
      • Continuous on-line measurement of moisture in oil
      • Ball valve installation - no need to shut down the process
      • Incorporates Vaisala HUMICAP® Sensor - excellent long-term stability
      • Integrated data logging, with over four years of measured history
      • LAN and WLAN communication options
      • Successor of the HMP228 Moisture and Temperature Transmitter for Oil
      Technical Specifications
       

      Technical Specifications

      		 

      Water activity measurement

       

      Measurement range aw
      Accuracy
           0 ... 0.9
           0.9 ... 1.0
      Sensor

      0 ... 1

      ±0.02
      ±0.03
      Vaisala HUMICAP®

      Operating environment

       

      Operating temperature
           for probes
           for transmitter body
           with display
      Pressure range for probes
           MMT332
           MMT337
           MMT338


      -40 ... +180 °C (-40 ... +356 °F)
      -40 ... +60 °C (-40 … +140 °F)
      +0 ... +60 °C (+32 … +140 °F)

      0 ... 250 bar (0 ... 3625 psia)
      0 ... 10 bar (0 ... 145 psia)
      0 ... 40 bar (0 ... 580 psia)

      ​
      		 ​Complies with EMC standard ​EN61326-1:1997 + Am1:1998 + Am2:2001; Industrial Environment

      Inputs and outputs

      ​
      		 ​Operating voltage ​10 ... 35 VDC, 24 VAC
      ​
      		 ​    with optional power ​100 ... 240 VAC 50/60 Hz
      ​
      		 ​   supply module ​
      ​
      		 ​Power consumption at
      20 °C
      (Uin 24VDC)      		 ​
      ​
      		 ​    RS-232 ​max. 25 mA
      ​
      		 ​    Uout 2 x 0 ... 1V / 0 ... 5V /
          0 ... 10V      		 ​
      max. 25 mA
      ​
      		 ​    Iout 2 x 0 ... 20 mA ​max. 60 mA
      ​
      		 ​   display and backlight ​+20 mA
      ​
      		 ​Analog outputs (2 standard, 3rd optional) ​
      ​
      		 ​   current output ​0 ... 20 mA, 4 ... 20 mA
      ​
      		 ​   voltage output ​0 ... 1 V, 0 ... 5 V, 0 ... 10 V
      ​
      		 ​Digital outputs ​RS-232, RS-485 (optional)
      ​
      		 ​Relay outputs ​0.5 A, 250 VAC, SPDT, Potential Free (optional)
      ​
      		 ​Optional data logger with
      real-time clock      		 ​
      ​
      		 ​   Logged parameters ​max. three with trend/min/max values
      ​
      		 ​   Logging interval ​10 sec (fixed)
      ​
      		 ​   Max. logging period ​4 years 5 months
      ​
      		 ​   Logged points ​13,7 million points per parameter
      ​
      		 ​   Battery lifetime ​min. 5 years
      ​
      		 ​Ethernet interface (optional) ​
      ​
      		 ​    Supported standards ​10/100Base-T
      ​
      		 ​    Connector ​RJ45
      ​
      		 ​    Protocols ​Telnet
      ​
      		 ​WLAN interface (optional) ​
      ​
      		 ​    Supported standards ​802.11b
      ​
      		 ​    Antenna connector type ​RP-SMA
      ​
      		 ​    Protocols ​Telnet
      ​
      		 ​    Security ​WEP 64/128,WPA
      ​
      		 ​Authentication / Encryption ​
      ​
      		 ​Open / no encryption ​
      ​
      		 ​Open / WEP ​
      ​
      		 ​WPA Pre shared key / TKIP ​
      ​
      		 ​WPA Pre shared key / CCMP (a.k.a. WPA2) ​
      ​
      		 ​Display
                 		​LCD with backlight, graphic trend display of any parameter
      ​
      		 ​Display menu languages ​English, French, Spanish, German, Japanese, Russian, Swedish, Finnish, Chinese

      Mechanics

      Probe cable length
      Housing material
      Housing classification

      Probe cable lengths 2 m, 5 m or 10 m
      G-AlSi 10 Mg (DIN 1725)
      IP 65 (NEMA 4X)

      Options and accessories

       

      Mounting kits

      Wall Mounting Kit
      DIN Rail Installation Kit
      Installation Kit for Pole or Pipeline
      Mounting Rain Shield

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

       
      Related Services
      • 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.
      • 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.
      • 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.
      Documents