PR‑23‑AC 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 Series User Guide

Document code
IM-EN-PR23
Revision
K
Language
English
Product
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
Document type
User guide
Sanitary compact refractometer for pipelines

Model

Description

PR‑23

Sensor

Sensor model

‑A

3‑A Sanitary Standard 46‑04 certified

Sensor type

C

Compact type for pipeline installations

Refractive index range limits

‑62

R.I. 1.320–1.530 nD (0 … 100 Brix) spinel prism

‑73

R.I. 1.320–1.530 nD (0 … 100 Brix) sapphire prism

‑74

R.I. 1.260–1.470 nD sapphire prism

Process connection

‑H

Sanitary clamp, 2.5 in, insertion length 14 mm

1

‑E

Varinline® in‑line access unit clamp 2 in (DN 50/40)

‑N

Sanitary clamp, 2.5 in, insertion length 14 mm, high pressure, 40 bar at +20 °C (+68 °F)

Sensor wetted parts material

‑SS

AISI 316 L

‑HC

Alloy C276

2

Electrical classification

‑GP

General purpose

‑AX

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

‑FM

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

‑CS

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

‑IA

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

3

‑IF

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

3

‑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, Tamb −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, Tamb −20 … +65 °C (−4 … +149 °F).

‑RX

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

Sensor housing

‑AA

Anodized Aluminum

‑SC

Stainless steel AISI 316

EHEDG option

‑EH

EHEDG Type EL Class I Certified Model

4

Polishing option

‑EP

Electropolished sensor wetted parts (RA 0.38 µm, 15 µin)

1
1 For AISI 316 L / EN 1.4335 only.
2 Includes gasket Teflon 2.5 in and Ferrule in Alloy C.
3 Available with STR Indicating Transmitter and IS isolator only.
4 For ‑H, ‑E, ‑N options.