Figure 9.3 PR-23-M/MS/W rangeability with
a sapphire prism (74) and with a standard prism (62)
9.3 Sanitary process refractometer PR-23-AC
9.3.1 PR-23-AC sensor model code
MODEL AND DESCRIPTION MODEL
PR-23 = Sensor PR-23
Sensor model
-A = 3A approved -A
Sensor type
C = Compact type for pipe line installaon C
Refracve Index range limits
-62 = n
D
1.320–1.530 (0–100 Brix) -62
-74 = n
D
1.260–1.470, Sapphire prism -74
-82 = n
D
1.410–1.620, YAG prism -82
-92 = n
D
1.520–1.730, GGG prism -92
Process connecon
-H = Sanitary 3A clamp, 2 1/2 inch -H
-E = Varivent
®
in-line access unit clamp DN65 -E
-ZC = Sanitary I-line male (14 WI) 2 1/2” , inseron length 14 mm -ZC
Sensor weed parts material
SS = AISI 316 L SS
RS = Stainless steel AISI 304 RS
HA = Alloy 20* HA
HC = Hastelloy C / ASTM C276 HC
SU = AISI 904L* SU
XS = SAF2205 XS
Electrical classificaon
-GP = General Purpose -GP
-AX = ATEX cerfied EX II 3 G Eex nA II T4 (up to Zone 2) -AX
-IA = ATEX and IECEx cerfied EX II 1 G Ex ia II C T4 Ga (up to Zone 0) -IA
Sensor housing
-AA = Anodized aluminium -AA
-SC = Stainless steel -SC
Polishing (opon)
-EP = Electropolished process weed parts (Ra 0.4μm, 15 μ inch) -EP
* = not 3A approved material