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General| Brand | Vaisala |
|---|---|
| Model | CL31 |
| Category | Measuring Instruments |
| Language | English |
Highlights important safety considerations and warnings throughout the manual.
Lists essential safety precautions for operating, servicing, and repairing the instrument.
Details the laser classification and safety precautions for the CL31 Ceilometer.
Outlines procedures to prevent damage from electrostatic discharge to sensitive components.
Introduces the CL31 ceilometer, its technology, and measurement capabilities.
Lists and defines the main and optional parts of the Vaisala Ceilometer CL31.
Describes the grounding requirements and procedures for the CL31.
Guides the user through the process of mounting the ceilometer unit onto its foundation.
Illustrates and describes how to connect the various external cables to the unit.
Details the steps for connecting the device to the power supply.
Explains the different options for connecting the data line for communication.
Specifies the required switch settings for the device's normal operation.
Explains the fundamental principles behind the ceilometer's measurement process.
Details the core operating mechanism based on laser pulses and backscatter.
Describes the characteristics of the return signal and its interpretation.
Explains the algorithm used for calculating cloud height and sky condition.
Describes the normal and standby operation modes of the ceilometer.
Lists and describes the commands accessible to the user for operating the device.
Introduces the various data message formats used by the CL31.
Details the content and structure of CL31 data messages 1 and 2.
Explains how to check for and interpret device alarms and warnings.
Outlines the general approach to diagnosing and resolving potential problems.
Explains how to retrieve diagnostic test results and potential failure reports.
Provides step-by-step instructions for checking normal operation and diagnosing issues.
Describes various warning and alarm messages and their causes/instructions.
Provides instructions for replacing the ceilometer window assembly.
Details the procedure for replacing the laser transmitter module.
Guides the user through replacing the ceilometer receiver module.
Provides instructions for replacing the internal no-break battery.
Details the procedure for replacing the AC power unit.
Details the procedure for replacing the laser monitor board.
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