
MOISTURE IN OIL
Vaisala Instruments Catalog 2009
Ref. B210768EN rev. A
79
MMT330
e MMT338 is ideal for installations in
pressurized processes where the probe
needs to be removed while the process is
running. e probe depth is adjustable.
MMT332 For High Pressure
Installations
Pressurerange 0...250bar/0...3625psia
Probediameter 12mm/0.5inch
Installation
Flange 36mm/1.4inch
Temperature
Measurementrange -40...+180°C
(-40...+356°F)
e MMT332 probe is installed using a
ange. It is for high pressure applications.
e MMT337 probe, with optional
Swagelok connector, is ideal for tight spaces
with a thread connection. e small probe
is designed for integrating into conned
spaces with small diameter lines.
-
²
.04
)3/OR
Hex 22m
(0.87)
MMT337 with Small Sized
Probe
Pressurerange 0...10bar/0...145psia
Probediameter 12mm/0.5inch
Installation
FittingBody R3/8”ISO
FittingBody 1/2”ISO
FittingBodyNPT1/2”
Temperature
Measurementrange -40...+180°C
(-40...+356°F)
Dimensions
Dimensions in mm (inches).
e Vaisala HUMICAP® Hand-Held
Moisture for Oil Meter MM70 is designed
for eld checking MMT330 transmitters.
aPCwithMicrosoftWindows®software.
etransmittercanalsobeconnected
toanetworkwithanoptional(W)LAN
interface,whichenablesa(wireless)
Ethernet connection.
Versatile outputs and easy
installation
e MMT330 provides up to three
analogoutputs.Galvanicisolationof
supplypowerandanalogoutputsisalso
available.ForserialinterfacetheUSB
connection,RS232andRS485canbe
used. In addition, alarm relay option is
available.
e MMT330 has several options for
transmittermounting.Transmitters
aredeliveredpre-conguredwithall
settingsinstallationready.
MMT338 with Probe for
Pipeline Installations
Pressurerange0...40bar/0...580psia
withballvalveupto120°C(248°F)and
40bar
Adjustablelength 35...157/379mm/
1.37 ... 6.2/14.9 inch
Installation
FittingBody R1/2”ISO
FittingBody NPT1/2”
BallValveSet BALLVALVE-1
SamplingCell DMT242SC2
Temperature
Measurementrange -40...+180°C
(-40...+356°F)
R1/2" ISO7/1
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