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Figure 7 Opening indicating transmitter front panel

1 Power indicator light

2 Front panel screw

Make sure that you mount an external power switch for the divert control unit that is close to

the unit and easily reachable. Make sure that you mark it as a disconnecting device. The

following ﬁgure shows the recommended external power switch, spare part nr PR‑10900.

The ratings of the switch are 10 A/250 V.

Chapter 4 – Indicating transmitter DTR

Default Chapter3
- Table of Contents3
1 About this Document13
- Version Information13
- Documentation Conventions13
- Trademarks14
- Patent Notice14
- Table 2 PR-23 Patents14
2 Product Overview15
- Safety15
- Storage Conditions, Packaging and Transportation17
- Refractometer Models17
- Refractometer Sensor17
3 Mounting Sensor19
- Choosing Sensor Mounting Location19
- Mounting Guide21
- Pipe Mounting Checklist22
- Checklist for Mounting in Tank, Vessel or Large Pipe22
4 Indicating Transmitter DTR23
- Indicating Transmitter Enclosure23
- Mounting Indicating Transmitter25
- Electrical Connections26
  - Interconnecting Cable26
- Indicating Transmitter Dimensions and Mounting Feet Measures26
5 Prism Wash Systems39
- Prism Coating39
- Prism Wash39
6 Startup and Use52
- Startup52
- Using Indicating Transmitter53
- Viewing System Information57
- Viewing Sensor Status57
- Sensor Verification60
7 Configuration and Calibration61
- Configuring Output Signal Damping61
- Configuring Output Signal Hold Functionality64
- Configuring Refractometer System68
- Calibrating Concentration Measurement74
- Configuring Prism Wash79
8 Regular Maintenance86
- Checking Sensor Humidity Level86
- Checking Prism and Prism Gaskets86
9 Troubleshooting87
- Hardware87
10 Sensor Specifications101
- Sensor Compatibility101
- Sensor Rangeability101
- Figure 49 Sensor Nameplates101
- Sanitary Process Refractometer PR-23-AC102
- Sanitary Probe Refractometer PR-23-AP115
- Compact Process Refractometer PR-23-GC124
- Probe Process Refractometer PR-23-GP133
- Process Refractometer PR-23-RP140
- Teflon Body Refractometer PR-23-M/MS148
- Saundersâ Body Refractometer PR-23-W156
- Intrinsically Safe Refractometers PR-23163
11 Safe-Drive172
- Safe-Drive System Description172
- PR-23-SD Specifications172
- Figure 92 Safe-Drive System: Isolation Valve, PR-23-SD Sensor, Retractor172
- Table 54 PR-23-SD Specifications172
- Table 55 PR-23-SD and Isolation Valve SDI-23 Specifications173
- Table 56 Safe-Drive Retractor SDR-23 Specifications173
- Safe-Drive Component Parts Lists174
- Safe-Drive Mounting177
- Safe Sensor Insertion and Removal for Safe-Drive Generation 2.1191
- Wash Nozzle Insertion and Removal208
  - Inserting Wash Nozzle208
  - Removing Wash Nozzle210
- Thermal Cover for SDI2-23213
- Figure 110 Mounting Thermal Cover214
- Blinding Safe-Drive System215
- Figure 111 Removing Thermal Cover215
- Identifying Your Refractometer Generation216
- Figure 112 SDI Mounting Flange Plug System216
- Figure 113 Identifying Different Safe-Drive Generations217
12 Process Refractometers in Potentially Explosive Atmosphere218
- Equipment218
- Figure 114 Refractometer System PR-23219
- Figure 115 PR-23220
- Installation221
- Figure 116 Safe Sensor Wiring222
13 Indicating Transmitter DTR and STR Specifications224
- Compatibility224
- Figure 117 Indicating Transmitter DTR Serial Number Label224
- Figure 118 Indicating Transmitter STR Serial Number Label224
- Indicating Transmitter Model Codes225
- Specifications225
- Transmitter Parts List227
- Figure 119 Indicating Transmitter DTR and STR Parts (STR-Specific Parts in Italics)227
14 Interconnecting Cable228
- Interconnecting Cable Model Code228
- Interconnecting Cable Specifications228
- Table 60 Interconnecting Cable Model Code228
- Table 61 Interconnecting Cable Specifications228
15 Ethernet Connection Specification229
- Cable Requirements and Connection229
- Connection Settings232
- Testing Ethernet Connection234
- Instrument Homepage236
- Collecting Data Using Ethernet238
16 Sensor Verification244
- Refractive Index N D Verification244
  - Figure 131 Universal Sample Holder PR-1012244
  - Handling R.I. Liquids245
- Verification Procedure245
- Figure 132 Verification, Pre-Verificaton Checks245
- Figure 133 Verification Display246
- Figure 134 Typical Optical Images246
- Figure 135 Verification in Progress247
- Figure 136 Verification Completed Successfully (here Only with One RI Liquid)247
- Sensor Verification Certificate248
- Figure 137 Instrument Verification Page Open in Browser248
- Figure 138 Instrument Verification Certificate250
- Corrective Action251
- Figure 139 Verification Failed251
- Figure 140 Finding Verification Information for Sensor Verification Form252
17 Regulatory Compliance and Certifications253
- Declaration of Conformity for PR-23 Series Refractometers253
- Declaration of Conformity for PR-23255
- Declaration of Conformity for PR-23257
Appendix A: Glossary and Abbreviations259
Appendix B: Principle of Measurement260
- Figure 141 Refractometer Principle260
- Figure 142 Optical Images261
- Figure 143 Optical Image Detection261
Appendix C: PR-23 Sensor Verification Form262
- Table 63 Verification Results Display262
Appendix D: Field Calibration Form263
Appendix E: DTR Command Selection Tree264
Appendix F: Str/Divert Mode Command Selection Tree265
- Index267
- Warranty269
- Technical Support269
- Recycling269

Brand	Vaisala
Model	PR-23 Series
Category	Measuring Instruments
Language	English

Vaisala PR-23 Series User Manual

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Vaisala PR-23 Series Specifications

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