PR‑23‑W sensor model code - PR-23 - PR-23-AC - PR-23-AP - PR-23-GC - PR-23-GP - PR-23-M - PR-23-RP - PR-23-SD - PR-23-W

PR‑23

Sensor

Sensor model

Refractive index range limits

‑73

R.I. 1.320–1.530 n_D sapphire prism

‑74

R.I. 1.260–1.470 n_D sapphire prism

Sensor wetted parts material

Electrical classification

‑GP

General purpose

‑AX

ATEX and IECEx certified Ex II 3G, Ex ec IIC T4 Gc (up to zone 2). T_amb −20 … +65 °C (−4 … +149 °F)

‑FM

FM certified Class I, Div.2, Groups A, B, C, D, T6 T_amb −20 … +45 °C (−4 … +113 °F)

‑CS

CSA certified Class I, Div.2, Groups A, B, C, D, T4 T_amb −20 … +45 °C (−4 … +113 °F)

‑IA

ATEX and IECEx certified Ex II 1G, Ex ia IIC T4 Ga (up to zone 0), T_amb −20 … +65 °C (−4 … +149 °F)

‑IF

FM certified to US and Canadian standards Class I, Div.1, Groups A, B, C, D, T4 T_amb −20 … +45 °C (−4 … +113 °F)

‑CX

NEPSI certified for use in Ex nA IIC T4 Gc

‑CI

NEPSI certified for use in Ex ia IIC T4 Ga

‑JI

Eurofins E&E CML Ltd certified for use in Ex ia IIC T4 Ga, T_amb −20 … +65 °C (−4 … +149 °F).

‑RI

LLC Certification Center VELES certified for use in PO Ex ia I Ma X and 0Ex ia IIC T4 Ga X, T_amb −20 … +65 °C (−4 … +149 °F).

‑RX

LLC Certification Center VELES certified for use in 2Ex na IIC T4 Gc X, T_amb −20 … +65 °C (−4 … +149 °F).

Sensor housing

‑SC

Stainless steel AISI 316