Table of Contents
1. About This Document................................................................................... 7
1.1 Version Information.......................................................................................... 7
1.2 Related Manuals................................................................................................ 7
1.3 Documentation Conventions...........................................................................7
1.4 Trademarks........................................................................................................ 8
2. Product Overview........................................................................................... 9
2.1 Introduction to DMT143 ...................................................................................9
2.2 Basic Features and Options........................................................................... 10
2.2.1 Connectivity to Vaisala Insight Software................................................11
2.3 DMT143 and DMT143L Transmitter Parts...................................................... 12
2.3.1 DMT143 with G1/2” ISO228/1 Thread..................................................... 12
2.3.2 DMT143 with NPT Thread........................................................................ 13
2.3.3 DMT143L with G1/2” ISO228/1 Thread...................................................14
2.4 Loop-powered Display................................................................................... 14
2.5 Connection Cables...........................................................................................15
2.6 Sampling Accessories..................................................................................... 16
2.7 Safety................................................................................................................16
2.7.1 ESD Protection......................................................................................... 16
2.8 Regulatory Compliances.................................................................................17
3. Functional Description................................................................................ 18
3.1 DRYCAPâ Technology....................................................................................18
3.1.1 Autocalibration.........................................................................................18
3.1.2 Sensor Purge.............................................................................................18
3.1.3 Sensor Warming in High Humidities and Freezing Conditions.......... 19
3.2 DMT143 Startup Sequence............................................................................. 19
3.3 Alarm LED....................................................................................................... 20
Table of Contents
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