Vaisala K-PATENTS PR-23 AX Series, Instruction Manual

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88 PR-23 instruction manual
Vaisala offers a 3A Sanitary Standard Accepted repair and maintenance package in
which all wetted parts, prism, gaskets and dryer are replaced. Note that this repair
service can be completed only by a 3A authorized service center (Vaisala factory or
regional headquarters).
9.4 Sanitary probe refractometer PR-23-AP
Sanitary probe refractometer PR-23-AP provides an accurate on-line BRIX measure-
ment in cookers and tanks.
9.4.1 PR-23-AP model code
SANITARY PROBE REFRACTOMETER 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
-T = Sanitary 3A-clamp, 2½ inch, insertion length 170 mm (A) -T
-N = Sanitary 3A-clamp, 2½ inch, insertion length 14 mm, high pressure, 40 bar at 20°C (A) -N
-I = Sanitary 3A-clamp, 2½ inch, insertion length 42 mm (A) -I
-R = Sanitary 3A-clamp, 4 inch, insertion length 170 mm (A) -R
-S = Sanitary 3A-clamp, 4 inch, insertion length 63 mm (A) -S
-P = MT4 DN 25/1T APV Tank bottom flange, flush mounted (B) -P
-B = MT4 DN25/1T APV Tank bottom flange, insertion length 170 mm (C) -B
-V = Sanitary 3A-clamp, 2½ inch, insertion length 170 mm (D) -V
-H = Sanitary 3A-clamp, 2½ inch, insertion length 14 mm (A) -H
-Q = Sanitary 3A-clamp, 2½ inch for flush-mount adaptor, insertion length 140 mm (C) -Q
-C = Varivent® in-line access unit clamp DN 65, insertion length 170 mm (A) -C
-ZP = Sanitary I-line male (14 WI) 2½ inch, insertion length 178 mm (B) -ZP
Sensor wetted parts material
SS = AISI 316 L SS