K-Patents PR-23 User Manual

Page 86

PR-23 instruction manual

9.3.3 PR-23-AC speciﬁcations

General specifications
Refractive Index range:

Full range n

1.3200–1.5300 (corresponds to

hot water – 100 Brix)

Accuracy:

Refractive index n

± 0.0002 (corresponds typ-

ically to ± 0.1 % by weight)
Repeatability and stability correspond to accu-
racy

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

1.3200–1.5300

CORE-Optics:

No mechanical adjustments (US Patent No.
US6067151)

Digital measurement:

3648 pixel CCD element

Light source:

Light emitting diode (LED) 589 nm wave-
length, sodium light

Temperature sensor:

Built-in Pt-1000

Temperature compensation:

Automatic, digital compensation

Instrument verification:

With certified refractive index liquids and
K-Patents documented procedure

Ambient temperature:

Sensor: max. 45 °C (113 °F),
min. -20 °C (-4 °F)
Indicating transmitter: max. 50 °C (122 °F),
min. 0 °C (32 °F)

SENSOR PR-23-AC:

Compact sensor model for small pipe lines

Process connection:

Sanitary 3A-clamp 2.5"; Varivent

in-line ac-

cess unit clamp DN65 or via elbow flowcell
(for line sizes of 2.5" and smaller)

Sanitary design:

3-A Sanitary Standard 46-03 approved and
EHEDG (European Hygienic Equipment De-
sign Group) tested

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

Sensor protection class:

IP67, Nema 4X

Sensor weight:

2.0 kg (4.4 lbs)