• IS isolator and cabling between the refractometer sensor and the transmitter
Figure 85 Refractometer system PR‑23‑…‑IA/‑IF/‑CI with STR
The equipment is intrinsically safe only if all mounting instructions in
Intrinsically safe
mounting (page 165) are followed. If the instrument has been in any way damaged during
transportation, return it to your nearest Vaisala service point for checkup before installation.
Never install a damaged instrument into the process line.
The intrinsically safe sensor PR
‑23‑…‑IA/‑IF/‑CI is identified by the nameplate, see the
following figure. The Indicating transmitter is of model STR, for single sensor connection.
PR-23 Series User Guide
IM-EN-PR23-E
162
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