Vaisala PR-23 Series - Table 29 Wafer Flow Cell Model Code

Model Description
‑IA ATEX and IECEx certified Ex II 1G, Ex ia IIC T4 Ga (up to zone 0) (T
amb
−20 … +65 °C)
1)
‑CS CSA certified Class I, Div.2, Groups A, B, C, D, T4 (T
amb
−20 … +45 °C)
‑FM FM certified Class I, Div.2, Groups A, B, C, D T6 (T
amb
−20 … +45 °C)
‑IF FM certified to US and Canadian standards Class I, Div.1, Groups A, B, C, D T4 (T
amb
−20 … +45 °C)
1)
‑CX NEPSI Certified for use in Ex nA IIC T4 Gc
‑CI NEPSI Certified for use in Ex ia IIC T4 Ga
Sensor housing
‑SC Stainless steel AISI 316
1) Available with STR Indicating Transmitter and IS isolator only.
Table 29 Wafer flow cell model code
Model Description
WFC Wafer flow cell
Sensor connection
‑K L coupling 76.1 mm (insertion length 14 mm)
Material of construction
SS AISI 316 L
Process connection
‑A ANSI flange 150 psi
‑D DIN flange PN40
‑J JIS flange 10K
Pipe section diameter
05 15 mm (0.5 in)
10 25 mm (1 in)
15 40 mm (1.5 in)
Wash nozzle connection
‑NC Nozzle connection
Wash nozzles
‑SN Steam nozzle, G¼ thread female
‑WN Water nozzle, G¼ thread female
Chapter 10 – Sensor specifications
123