Maintenance - CL61

CL61 User Guide

Document code
English (United States)
Document type
User guide

The ceilometer's self diagnostic system runs in the background and generates warnings and alarms according to issues discovered. The window blower and the polarization unit are automatically checked once an hour. Malfunctions are reported in data and status messages.

CL61 requires the following periodic maintenance.

Table 1. CL61 maintenance
Task Frequency
Clean the window As needed
Check the door gaskets As needed
Perform a general check Annually
Clean and maintain painted surfaces Annually

Check warnings and alarms regularly using a PC with Ethernet connection.

WARNING Because of the danger of introducing additional hazards, do not install substitute parts or perform any unauthorized modification to the instrument. Return the instrument to a Vaisala office or authorized depot for service and repair to make sure that safety features are maintained.
WARNING Verify outdoor installation grounding periodically to minimize shock hazard.
WARNING Do not perform periodic maintenance on the system alone. Do not reach into parts and assemblies that are AC (mains) powered and live except in the presence of someone who can provide first aid.