Feature Specification
Calibration With Cargille certified refractive index liquids over full
range of n
D
1.3200 … 1.5300
CORE‑Optics No mechanical adjustments
Digital measurement 3648 pixel CCD element
Light source LED 589 nm wavelength, sodium light
Temperature sensor Built‑in Pt‑1000
Temperature compensation Automatic, digital compensation
Instrument verification With certified refractive index liquids and Vaisala
documented procedure
Ambient temperature −20 °C … 45 °C (−4 °F … 113 °F)
Table 32 Sensor PR‑23‑GC specifications
Feature Specification
Process connection (in upper elbow of pipe) L coupling 76.1 mm (2.5 in) for pipeline sizes of 2.5 in
and larger; using reducing ferrule PR‑9283 for 2 in
pipes
Wafer flow cell WFC connection (in straight pipe) Using wafer flow cell WFC for pipe line sizes 15 mm
(0.5 in), 25 mm (1 in) and 40 mm (1.5 in); wafer flow
cell body mounts between ANSI 150 psi, DIN PN 25
orJIS
Pipe flow cell PFC connection (in straight pipe) Using pipe flow cell PFC for pipe line sizes 15 mm
(0.5 in), 25 mm (1 in) and 40 mm (1.5 in); pipeflow
process connection ANSI 150 psi, DIN PN 25 or JIS
Process pressure Up to 25 bar (350 psi) at 20 °C (70 °F)
Process temperature −40 °C … +130 °C (−40 °F … +266 °F)
Process wetted parts, standard AISI316L stainless steel, prism sapphire, prism gaskets
PTFE (teflon)
Sensor protection class IP67, Nema 4X
Protection class Protection class 3
Sensor weight 2.0 kg (4.4 lbs)
Chapter 10 – Sensor specifications
125