Vaisala HMT330 - Manual (Page 178)

User's Guide _______________________________________________________________________
176 __________________________________________________________________ M210566EN-K
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)
Relay Module
Operating temperature range -40 ... +60 ºC (-40 ... +140 ºF)
Operating pressure range 500 ... 1300 mmHg
Power consumption at 24 V max 30 mA
Contacts SPDT (change over), for example,
Contact arrangement Form C
Imax 0.5 A 250 VAC
Imax 0.5 A 30 VDC
Safety standard for the relay component IEC60950 UL1950
Storage temperature range -55 ... +80 ºC (-67 ... +176 ºF)
3-pole screw terminal / relay
max wire size 2.5 mm
2 (AWG14)