Table of contents
1. About this document...................................................................................... 11
1.1 Version information............................................................................................ 11
1.2 Documentation conventions..............................................................................11
1.3 Trademarks..........................................................................................................12
1.4 Patent notice.......................................................................................................12
2. Product overview.............................................................................................13
2.1 Safety...................................................................................................................13
2.2 Storage conditions, packaging and transportation....................................... 15
2.3 PR-23 refractometer models............................................................................ 15
2.4 Refractometer sensor........................................................................................ 15
3. Mounting sensor...............................................................................................17
3.1 Choosing sensor mounting location................................................................17
3.2 PR-23 mounting guide...................................................................................... 19
3.3 Pipe mounting checklist...................................................................................20
3.4 Checklist for mounting in tank, vessel or large pipe.................................... 20
4. Indicating transmitter DTR...........................................................................21
4.1 Mounting indicating transmitter..................................................................... 23
4.2 Electrical connections...................................................................................... 24
4.2.1 Interconnecting cable................................................................................ 24
4.2.2 Connecting sensor......................................................................................25
4.2.3 Connecting indicating transmitter............................................................27
4.2.4 Power terminals for AC power.................................................................. 33
4.2.5 Power terminals for 24 VDC power..........................................................33
4.2.6 Relay connections...................................................................................... 34
4.2.7 Reset button................................................................................................36
5. Prism wash systems....................................................................................... 37
5.1 Prism coating.....................................................................................................37
5.2 Prism wash......................................................................................................... 37
5.2.1 Recommended wash pressures and times.............................................. 37
5.2.2 Prism wash systems................................................................................... 39
5.2.3 Prism wash nozzles.................................................................................... 46
6. Startup and use............................................................................................... 50
6.1 Startup............................................................................................................... 50
6.1.1 Initial check................................................................................................. 50
6.1.2 Calibration check......................................................................................... 51
6.1.3 Testing prism wash......................................................................................51
6.2 Using indicating transmitter............................................................................. 51
6.2.1 Keyboard functions.................................................................................... 52
6.2.2 Display setup...............................................................................................53
6.3 Viewing system information............................................................................ 55
6.4 Viewing sensor status.......................................................................................55
6.4.1 Optical image with IDS.............................................................................. 55
6.4.2 Optical image with VD............................................................................... 57
6.4.3 Diagnostic values........................................................................................ 57
6.4.4 Temperature measurement.......................................................................58
6.4.5 Sensor head humidity................................................................................ 58
6.5 Sensor verification............................................................................................ 58
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