Pr-23-W Specifications; Table 51 General Specifications; Table 52 Sensor Pr-23-W Specifications - Vaisala PR-23 Series User Manual

Model Description
Graphite cast iron
‑GC
Valve body lining material
ETFE (ethylene tetrafluoroethylene)
‑ETFE
PFA (fluorinated ethylene propylene)
‑PFA
Example: Valve body: SVB‑A040‑GC‑ETFE
10.9.2 PR‑23‑W specifications
Table 51 General specifications
Feature
Refractive index range, standard
Refractive index range, option
Accuracy
Speed of response
Calibration
CORE‑Optics
Digital measurement
Light source
Temperature sensor
Temperature compensation
Instrument verification
Ambient temperature
Table 52 Sensor PR‑23‑W specifications
Feature
Sensor PR‑23‑W
Process connection
Process pressure
Specification
Full range n 1.3200 ... 1.5300, sapphire prism
D
n 1.2600 ...1.4700 with sapphire prism H74
D
Refractive index n ±0.0002 (corresponds typically to
D
±0.1 % by weight)
Repeatability and stability correspond to accuracy
1 s undamped, damping time selectable up to 5 min
With Cargille certified refractive index liquids over full
range of n 1.3200 ... 1.5300
D
No mechanical adjustments
3648 pixel CCD element
LED 589 nm wavelength, sodium light
Built‑in Pt‑1000
Automatic, digital compensation
With certified refractive index liquids and Vaisala
documented procedure
−20 °C ... 45 °C (−4 °F ... 113 °F)
Specification
Saundersâ body sensor for aggressive process
medium
With PFA (Fluorinated ethylene propylene) or ETFE
(Ethylenetetrafluoroethylene) lined Saunders valve
body 2 in, 3 in or 4 in
Max. 10 bar (145 psi)
Chapter 10 – Sensor specifications
157