MMT330 Moisture and Temperature Transmitter Series for Oil


The Vaisala HUMICAP® Moisture and Temperature Transmitter Series for Oil MMT330 enables fast and reliable detection of moisture in oil. The MMT330 can be used in on-line moisture

Three probe types for various installation requirements:

  • MMT332 for high pressure installations
  • MMT337 for tight spaces with a thread connection
  • MMT338 for pipeline installations

Continuous online 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 measurement history

LAN and WLAN communication options

NIST traceable calibration (certificate included)

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
Complies with EMC standard


-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)
EN61326-1:1997 + Am1:1998 + Am2:2001; Industrial Environment

Inputs and outputs

 

Operating voltage
     with optional power supply module
Power consumption @ 20 °C
(Uin 24VDC)
     RS-232
     Uout 2 x 0 ... 1V / 0 ... 5V / 0 ... 10V
     Iout 2 x 0 ... 20 mA
     display and backlight
Analog outputs
(2 standard, 3rd optional)
     current output
     voltage output
Digital outputs
Relay outputs
Display

Display menu languages

10 ... 35 VDC, 24 VAC
100 ... 240 VAC 50/60 Hz


max. 25 mA
max. 25 mA
max. 60 mA
+20 mA


0 ... 20 mA, 4 ... 20 mA
0 ... 1 V, 0 ... 5 V, 0 ... 10 V
RS-232, RS-485 (optional)
0.5 A, 250 VAC, SPDT, Potential Free (optional)
LCD with backlight, graphic trend display of any parameter
English, French, Spanish, German, Japanese, Russian, Swedish, Finnish

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