PR‑23‑AC specifications - PR-23-RP - PR-23 - PR-23-GC - PR-23-GP - PR-23-W - PR-23-AC - PR-23-M - PR-23-SD - PR-23-AP

Refractive index range

Full range n_D 1.3200 … 1.5300 (corresponds to hot water – 100 Brix)

Accuracy

Refractive index n_D ±0.0002 (corresponds typically to ±0.1 % by weight)

Repeatability and stability correspond to accuracy

Speed of response

1 s undamped, damping time selectable up to 5 min

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)

Sensor PR‑23‑AC

Compact sensor model for small pipelines

Process connection

Sanitary clamp 2.5 in; Varinline® in‑line access unit clamp DN65 or using elbow flow cell (for line sizes of 2.5 in and smaller)

Sanitary design

3‑A Sanitary Standard 46‑04 approved and EHEDG (European Hygienic Engineering & Design Group) certified (connections ‑H, ‑E)

Process pressure

Sanitary clamp max. 15 bar (200 psi) at +20 °C (+70 °F) / 9 bar (125 psi) at +120 °C (+250 °F)

Process temperature

−20 °C … +130 °C (−4 °F … +266 °F)

Process wetted parts, standard

AISI 316 L stainless steel, spinel prism, prism gaskets MTF (Modified Teflon)

Sensor protection class

IP67, Nema 4X

Sensor weight

2.0 kg (4.4 lbs)