Model Description
Electrical clas
sification
‑GP General purpose
‑A
X ATEX and IECEx certified Ex II 3G, Ex nA IIC T4 Gc (up to zone 2) (T
amb
−20 … +65 °C)
‑FM FM c
ertified Class I, Div.2, Groups A, B, C, D T6 (T
amb
−20 … +45 °C)
‑CS CSA certified Class I, Div.2, Groups A, B, C, D, T4 (T
amb
−20 … +45 °C)
‑IA ATEX and IECEx c
ertified Ex II 1G, Ex ia IIC T4 Ga (up to zone 0) (T
amb
−20 … +65 °C)
1)
‑C
X NEPSI Certified for use in Ex nA IIC T4 Gc
‑CI NEPSI C
ertified for use in Ex ia IIC T4 Ga
‑IF FM c
ertified to US and Canadian standards Class I, Div.1, Groups A, B, C, D T4 (T
amb
−20 … +45 °C)
1)
Sensor housing
‑S
C Stainless steel AISI 316
1) Available with STR indicating transmitter and IS isolator only.
Example: Sensor: PR‑23‑M7
3‑GP‑SC
Table 40 Flow cell for sensor PR‑23‑M
Model Description
Process connection
FR Flow cell with G 0.5 in thread inlet/outlet connection (female)
FN Flow cell body with 0.5 in NPT thread inlet/outlet (female)
Line size connection diameter
‑050 0.5 in (flo
w volume 2 … 8 l/min (0.5 … 2.1 GPM))
Flow cell wetted parts material
‑P
V Kynarâ PVDF (Polyvinylidenefluoride)
‑TF Teflonâ P
TFE (Polytetrafluoroethylene)
Example: Flow cell: FR‑050
‑PV/TF, FN‑050‑PV/TF
PR-23 Series User Guide
IM-EN-PR23-E
148