Vaisala MMT330 - Manual (Page 154)

User's Guide _______________________________________________________________________
154 __________________________________________________________________ M210764EN-F
Table 31 Standard Probe Cable Lengths and Approximate
Transmitter Weight (in kg/lb)
Probe Type Probe Cable Length
2 m
5 m 10 m 15 m 20 m
MMT332 1.1/2.4 1.2/2.6 1.5/3.3 - -
MMT337 1.2/2.6 1.3/2.9 1.5/3.3 - 2.1/4.5
MMT338 232 mm 1.3/2.9 1.5/3.3 1.7/3.7 - -
MMT338 454 mm 1.4/3.1 1.6/3.5 1.9/4.2 2.2/4.9 2.5/5.6
Technical Specifications of Optional
Modules
Power Supply Module
Operating voltage 100 ... 240 VAC 50/60 Hz
Connections screw terminals for 0.5 ... 2.5
mm
2
wire (AWG 20...14)
Bushing for 8...11 mm diameter cable
Operating temperature -40 ... +60 °C (-40 ... +140 °F)
Storage temperature -40 ... +70°C (-40 ... +158 °F)
UL file number E249387
Analog Output Module
Outputs 0 ... 20 mA, 4 ... 20 mA,
0 ... 1 V, 0 ... 5 V, 0 ... 10 V
Operating temperature range -40 ... +60 °C (-40 ... +140 ºF)
Power consumption
U
out
0 ... 1 V max 30 mA
U
out
0 ... 5V/0 ... 10V max 30 mA
I
out
0 ... 20 mA max 60 mA
External loads
current outputs R
L
< 500 ohms
Max load + cable loop resistance 540 ohms
0 ... 1 V R
L
> 2000 ohms
0 ... 5 V and 0... 10 V R
L
> 10 000 ohms
Storage temperature range
-55 ... +80 °C (-67 ... +176 ºF)
3-pole screw terminal
max wire size 1.5 mm
2
(AWG16)