Chapter 6 ______________________________________________________________ Maintenance
VAISALA____________________________________________________________________ 61
New filters can be ordered from Vaisala, see Parts List for
Consumables below.
Sensor Change
You can change Vaisala HUMICAP®180, HUMICAP®180L, and
HUMICAP®180R sensors.
1.
Remove the filter from the probe.
2.
Remove the damaged sensor and insert a new one. Handle the
new sensor by the plastic socket.
CAUTION
Do not touch the sensor plate.
3.
After sensor change the humidity calibration must be made
according to the instructions, see FCRH Relative Humidity
Calibration after Sensor Change on page 65.
4.
Install a new filter on the probe. When using the stainless steel
filter, take care to tighten the filter properly (recommended force
is 130 Ncm).
New sensors can be ordered from Vaisala, see Parts List for
Consumables below.
Parts List for Consumables
Table 10
Available Spare Parts
Spare Part
Order Code
PPS Plastic Grid with Stainless Steel
Netting
DRW010281SP
PPS Plastic Grid Filter
DRW010276SP
Sintered Filter AISI 316L
HM47280SP
Stainless Steel Filter
HM47453SP
Stainless Steel Filter with Membrane 214848SP
Vaisala HUMICAP®180 (general
purpose)
19279HM
Vaisala HUMICAP®180R (general
purpose)
HUMICAP180R
Vaisala HUMICAP®180L2 (for high
chemical concentrations)
210314HM
PT100 sensor
10429SP