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Hazardous area

(up to Zone 2)

Safe Area

WIRING SEE WRG-342

Figure 114 Refractometer system PR‑23‑…‑AX/FM/CS/CX

The ATEX/FM/CSA approved sensors PR‑23‑…‑AX/FM/CS/CX are identiﬁed by the sensor

nameplate, see the following ﬁgure. The indicating transmitter is a standard DTR.

The approvals are valid for sensors PR‑23‑AC, PR‑23‑AP, PR‑23‑GC, PR‑23‑GP, PR‑23‑M,

PR‑23‑MS, PR‑23‑SD, PR‑23‑W and PR‑23‑RP.

Chapter 12 – PR‑23 process refractometers in potentially explosive atmosphere

217

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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