Vaisala CT25K User Manual

Ceilometer CT25K
CT25K-U059en-2.1 User’s Guide
i
Contents
LIST OF FIGURES............................................................................................................IV
INTRODUCTION TO MANUAL ........................................................................................VII
VALIDITY OF THIS MANUAL.........................................................................................VIII
SAFETY SUMMARY.........................................................................................................IX
1. GENERAL INFORMATION....................................................................................... 1
1.1 Product Overview.......................................................................................... 1
1.2 Specifications................................................................................................ 3
1.2.1 Mechanical................................................................................... 3
1.2.2 External Connector J1 - Window conditioner ................................ 3
1.2.3 External Connector J2 - Power input ............................................ 3
1.2.4 Output Interface ........................................................................... 4
1.2.4.1 External Connector J3 - Data line................................................. 4
1.2.4.2 External Connector J4 - Maintenance line .................................... 6
1.2.5 Modem Options ............................................................................ 6
1.2.5.1 Modem board DMX55................................................................... 6
1.2.5.2 Modem board DMX50................................................................... 7
1.2.5.3 ANet

Interface DMX611............................................................. 7
1.2.6 Transmitter................................................................................... 8
1.2.7 Receiver....................................................................................... 8
1.2.8 Optical System ............................................................................. 9
1.2.9 Performance................................................................................. 9
1.2.10 Environmental Conditions............................................................. 9
2. INSTALLATION...................................................................................................... 10
2.1 Unloading and unpacking........................................................................... 10
2.2 Foundation................................................................................................... 11
2.3 Assembling the Unit.................................................................................... 12
2.4 Using the Tilt Feature.................................................................................. 14
2.5 Cable Connections ...................................................................................... 15
2.6 Grounding.................................................................................................... 16
2.7 Connection of Maintenance Terminal ........................................................ 17
3. START UP.............................................................................................................. 19
3.1 Start up procedure ...................................................................................... 19
3.1.1 Mobile operation aspects............................................................ 21
3.2 Verification of Proper Operation ................................................................ 21
3.3 Settings for Normal Operation.................................................................... 22
3.4 Factory settings of user programmable parameters................................. 22
4. OPERATION........................................................................................................... 25
4.1 Operation Modes ......................................................................................... 25
4.2 Serial Lines. Open and Closed Port ........................................................... 25
4.3 User Commands.......................................................................................... 27
4.4 Data Messages ............................................................................................ 33

Vaisala CT25K Specifications

General

Brand	Vaisala
Model	CT25K
Category	Measuring Instruments
Language	English