Pr-23-Gp Specifications; Table 34 General Specifications - Vaisala PR-23 Series User Manual

Model Description
FM certified to US and Canadian standards Class I, Div.1, Groups A, B, C, D T4 (T
‑IF
−20 ... +45 °C)
1)
NEPSI Certified for use in Ex nA IIC T4 Gc
‑CX
NEPSI Certified for use in Ex ia IIC T4 Ga
‑CI
Sensor housing
Anodized Aluminum
‑AA
Stainless steel AISI 316
‑SC
Prism wash
Integral steam nozzle
‑SN
Integral water nozzle
‑WN
Integral pressurized water nozzle
‑WP
Integral nozzle connection
‑NC
Without nozzle connection option
‑YC
Option
Vertical Borderline Image Detection (for example, sugar vacuum pan)
‑VD
1) Available with STR Indicating Transmitter and IS isolator only.
10.6.2 PR‑23‑GP specifications
Table 34 General specifications
Feature
Refractive index range
Accuracy
Speed of response
Calibration
CORE‑Optics
Digital measurement
Light source
Temperature sensor
Temperature compensation
Specification
Full range n 1.3200 ... 1.5300, sapphire prism
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
Chapter 10 – Sensor specifications
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