Vaisala PTU300 User's Guide Page 151

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Chapter 7 ____________________________________________________________ Technical data
VAISALA ______________________________________________________________________ 149
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 mHg
Power consumption @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 mm2 (AWG14)
RS-485 Module
Operating temperature range -40...+60 ºC (-40...+140 ºF)
Operating modes 2-wire (1-pair) half duplex
4-wire (2-pair) full duplex
Operating speed max 115.2 kbaud
Bus isolation 300VDC
Power consumption
@ 24V max 50 mA
External loads
standard loads 32 RL> 10kohm
Storage temperature range -55...+80 ºC (-67...+176 ºF)
Max wire size 1.5 mm2 (AWG16)
Options and Accessories
Description
Item code
MODULES
Relay module RELAY-1
Analog Output Module AOUT-1
Isolated RS485 Module RS485-1
Power Supply Module POWER-1
Galvanic Isolation Module DCDC-1
SENSORS
HUMICAP180 HUMICAP180
HUMICAP180L2 HUMICAP180L2
PT100 Sensor 10429SP
FILTERS
PPS Plastic Grid with Stainless Steel Netting DRW010281SP
PPS Plastic Grid Filter DRW010276SP
Sintered Filter AISI 316L HM47280SP
Stainless Steel Filter HM47453SP
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