Compact Process Refractometer Pr-23-Gc; Pr-23-Gc Sensor Model Code; Table 28 Pr-23-Gc Sensor Model Code - Vaisala PR-23 Series User Manual

PR-23 Series User Guide
This repair service can be completed only by a 3‑A authorized service center (Vaisala
factory or regional headquarters).
10.5 Compact process refractometer
PR‑23‑GC
Compact process refractometer PR‑23‑GC is designed for the general industry small pipeline
and bypass line applications, for example, in chemical, oil, gas, petrochemical and kraft
pulping processes.
10.5.1 PR‑23‑GC sensor model code
Table 28 PR‑23‑GC sensor model code
Model Description
PR‑23 Sensor
Sensor model
General
‑G
C Compact type for pipeline installations
Refractive index range limits
R.I. 1.320–1.530 n
‑73
R.I. 1.260–1.470 n
‑74
R.I. 1.410–1.620, YAG prism
‑82
R.I. 1.520–1.730, GGG prism
‑92
Process connection
L coupling 76.1, insertion length 14 mm
‑K
Sensor wetted parts material
SS AISI 316 L
HA Alloy 20
HC Alloy C276 / ASTM C276
NI Nickel 200/201
TI Titanium ASTM B348 GR 2
Electrical classification
General purpose
‑GP
ATEX and IECEx certified Ex II 3G, Ex nA IIC T4 Gc (up to zone 2) (T
‑AX
122
sapphire prism
D
sapphire prism
D
IM-EN-PR23-E
−20 ... +65 °C)
amb