K-Patents PR-23 - Manual (Page 97)

9 Sensor specifications 89
service can be completed by 3A authorized service center only (K-Patents factory or
regional headquarters).
9.5 Compact process refractometer PR-23-GC
The K-Patents Compact process refractometer PR-23-GC is designed for the general
industry small pipeline and bypass line applications e.g. in chemical, oil, gas, petro-
chemical and kraft pulping processes.
9.5.1 PR-23-GC sensor model code
MODEL AND DESCRIPTION MODEL
PR-23 = Sensor PR-23
Sensor model
-GC = General purpose compact
-GC
Refractive Index range limits
-73 = n
D
1.320–1.530 (0–100 Brix) Sapphire prism -73
-74 = n
D
1.260–1.470, Sapphire prism (A) -74
-82 = n
D
1.410–1.620, YAG prism (A) -82
-92 = n
D
1.520–1.730, GGG prism (A) -92
Process connection
-K = Sandvik L coupling 76.1, insertion length 12 mm
-K
Sensor wetted parts material
SS = AISI 316 L
SS
HA = Alloy 20 HA
HC = Hastelloy C / ASTM C276 HC
NI = Nickel 200 NI
TI = Titanium ASTM B348 TI
SU = AISI 904L SU
XS = SAF2205 XS
Electrical classification
-GP = General Purpose
-GP
-AX = ATEX certified EX II 3 G Eex nA II T4 (up to Zone 2) -AX
-IA = ATEX and IECEx certified EX II 1 G Ex ia II C T4 Ga (up to Zone 0) -IA
Sensor housing
-SC = Stainless steel AISI 316
-SC