9 Sensor specifications
89
Electrical classification
-GP = General purpose
-GP
-AX = ATEX and IECEx certified Ex II 3G, Ex nA IIC T4 Gc (up to zone 2) (T
amb
-20 ... +65°C)
-AX
-FM = FM certified Class I, Div.2, Groups A, B, C, D T6 (T
amb
-20 ... +45°C)
-FM
-CS = CSA certified Class I, Div.2, Groups A, B , C, D T4 (T
amb
-20 ... +45°C)
-IA = ATEX and IECEx certified Ex II 1G, Ex ia IIC T4 Ga (up to zone 0) (T
amb
-20 ... +65°C)
(E)
-IA
-IF = FM certified to US and Canadian standards Class I, Div.1, Groups A, B, C, D T4 (T
amb
-20 ...
+45°C)
(E)
-IF
Sensor housing
-AA = Anodized aluminium
-AA
-SC = Stainless steel AISI 316
-SC
Options
-EH = EHEDG Type EL Class I Certified Model
(F)
-EH
(A)
EHEDG and Sanitary 3-A certified
(B)
Sanitary 3-A certified
(C)
Design according to Sanitary 3-A
(D)
Requires mount adaptor VFME-23-VSS or VFMF-23-VSS, design according to Sanitary 3-A
(E)
Available with STR-Indicating transmitter and IS isolator only
(F)
For connections -T, -N, -I, -R, -S, -H, -C
SANITARY PROBE REFRACTOMETER PR-23-AP with prism wash for large pipelines and vessels
Model and description
Model
PR-23 = Sensor
PR-23
Sensor model
-A = 3A approved
-A
Sensor type
P = Probe type for tank and large pipeline installation
P
Refractive Index range limits
-62 = R.I. 1.320–1-530 n
D
(0-100 Brix) Spinel prism
-62
-73 = R.I. 1.320–1.530 n
D
(0-100 Brix) Sapphire prism
-73
-74 = R.I. 1.260–1.470 n
D
Sapphire prism
-74
Process connection
-R = Sanitary 3A-clamp, 4 inch, insertion lenght 170 mm
-R
Sensor wetted parts material
SS = AISI 316 L
SS
Electrical classification
-GP = General purpose
-GP
-FM = FM certified Class I, Div.2, Groups A, B, C, D T6 (T
amb
-20 ... +45°C
-FM
-CS = CSA certified Class I, Div.2, Groups A, B, C, D T4 (T
amb
-20 ... +45°C
-CS
Summary of Contents for K-PATENTS PR-23 AX Series
Page 1: ...IM EN PR23 v 2 00 Instruction Manual Vaisala K PATENTS Process Refractometer PR 23...
Page 2: ......
Page 4: ......
Page 17: ...2 Inline refractometer sensor 7 2 2 2 PR 23 mounting guide...
Page 26: ...16 PR 23 instruction manual...
Page 29: ...4 Prism wash systems 19 Figure 4 1 A prism wash system for steam non sanitary...
Page 30: ...20 PR 23 instruction manual Figure 4 2 A sanitary prism wash system for steam...
Page 32: ...22 PR 23 instruction manual Figure 4 5 Wiring for a prism wash system for steam...
Page 33: ...4 Prism wash systems 23 Figure 4 6 A prism wash system for high pressure water non sanitary...
Page 34: ...24 PR 23 instruction manual Figure 4 7 A sanitary prism wash system for high pressure water...
Page 35: ...4 Prism wash systems 25 Figure 4 8 Wiring for a prism wash system for high pressure water...
Page 40: ...30 PR 23 instruction manual...
Page 50: ...40 PR 23 instruction manual...
Page 72: ...62 PR 23 instruction manual...
Page 174: ...164 PR 23 instruction manual...
Page 179: ...11 Safe Drive 169 11 3 3 Safe Drive steam wash system parts...
Page 186: ...176 PR 23 instruction manual 11 4 2 Wiring Figure 11 9 PR 23 SD system wiring...
Page 204: ...194 PR 23 instruction manual Figure 11 19 Markings on the retractor handle...
Page 206: ...196 PR 23 instruction manual...
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