Vaisala HM44 - Manual (Page 41)

Chapter 9 _______________________________________________________________Maintenance
VAISALA __________________________________________________________________________ 39
CHAPTER 9
MAINTENANCE
Replacing the HUMICAP
   
180 sensor
Remove damaged sensor and insert a new one. Handle the sensor from the plastic frame; do
not touch the sensor plate. Calibrate the probe (with a new sensor) with the calibrator
HMK15. The probe can be sent to Vaisala service for sensor change.
Replacing the filter
The combination of a grid (of the probe head) and the membrane filter can be changed if
needed (order code 17039HM).
Vaisala SSD Service Centres
Vaisala SSD Service, Vanha Nurmijärventie 21, FIN-01670 Vantaa, FINLAND,
Phone: +358 9 8949 2658, Fax +358 9 8949 2295
Vaisala KK, 42 Kagurazaka 6-Chome, Shinjuku-Ku, Tokyo 162-0825, JAPAN,
Phone: +81 3 3266 9611, Fax +81 3 3266 9610
Vaisala Inc., 100 Commerce Way, Woburn, MA 01801-1068, USA
Phone: +1 781 933 4500, Fax +1 781 933 8029
Internet: http://www.vaisala.com
Technical support: [email protected]