CONTENTS
2
www.drexelbrook.comDR2000QS-LM, EDO#6-13-112 - Issue #4
DR2000
1 Safety instructions 4
2 Installation 5
2.1 Intended use ..................................................................................................................... 5
2.2 Scope of delivery............................................................................................................... 6
2.3 Visual check...................................................................................................................... 7
2.4 Storage ............................................................................................................................. 8
2.5 Transport .......................................................................................................................... 8
2.6 Pre-installation requirements ......................................................................................... 9
2.7 How to prepare the tank before you install the device.................................................... 9
2.7.1 Pressure and temperature ranges......................................................................................... 9
2.7.2 General information for nozzles........................................................................................... 12
2.7.3 Installation requirements for concrete roofs....................................................................... 14
2.8 Installation recommendations for liquids...................................................................... 15
2.8.1 General requirements .......................................................................................................... 15
2.8.2 Installation in standpipes (stilling wells and bypass chambers) ......................................... 16
2.9 Installation recommendations for solids....................................................................... 17
2.9.1 Nozzles on conical silos........................................................................................................ 17
2.9.2 Traction loads on the probe.................................................................................................. 18
2.10 How to install the device on the tank ........................................................................... 19
2.10.1 How to assemble the single rod probe (single-piece probe) ............................................. 19
2.10.2 How to assemble the single rod probe (segmented probe)............................................... 23
2.10.3 How to assemble the segmented coaxial probe ................................................................ 26
2.10.4 How to install a device with a flange connection................................................................ 29
2.10.5 How to install a device with a threaded connection ........................................................... 30
2.10.6 How to install a device with a hygienic connection ............................................................ 31
2.10.7 How to install a cable probe in the tank ............................................................................. 32
2.10.8 How to turn or remove the signal converter ...................................................................... 33
2.10.9 Recommendations for pits and tanks made of non-conductive materials........................ 34
2.10.10 Wall support for the remote version ................................................................................ 35
2.10.11 How to attach the weather protection to the device......................................................... 35
2.10.12 How to open the weather protection ................................................................................ 38
2.11 Electromagnetic compatibility ..................................................................................... 39
3 Electrical connections 40
3.1 Electrical installation: 2-wire, loop-powered ................................................................ 40
3.1.1 Compact version ................................................................................................................... 40
3.1.2 Remote version ..................................................................................................................... 42
3.2 Non-Ex devices............................................................................................................... 43
3.3 Devices for hazardous locations .................................................................................... 43
3.4 Minimum power supply voltage ..................................................................................... 44
3.5 Protection category ........................................................................................................45
3.6 Networks ........................................................................................................................ 46
3.6.1 General information.............................................................................................................. 46
3.6.2 Point-to-point networks ....................................................................................................... 46
3.6.3 Multi-drop networks ............................................................................................................. 47
3.6.4 Fieldbus networks................................................................................................................. 48
