K-Patents PR-23 User Manual
Page 131
9 Sensor specifications
123
9.9.2 PR-23-W specifications
General specifications
Refractive Index range, stand.:
Full range n
D
1.3200–1.5300 (0–100 Conc%
b.w.)
with Spinel prism H62 and Sapphire
prism H73 starting Nov. 1, 2012
Refractive Index range, option:
n
D
1.2600–1.4700 with Sapphire prism H74
Accuracy:
Refractive index n
D
± 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
D
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-W:
Saunders body sensor for aggressive process
medium
Process connection:
With PFA (fluorinated ethylene propylene)
lined Saunders valve body 2", 3" or 4"
Process pressure:
max. 10 bar (145 psi)
Process temperature:
-20 °C–+130 °C (-4 °F–+266 °F)
Process wetted parts, stand.:
Teflon
®
(PTFE), prism spinel or sapphire, prism
gaskets MTF (Modified Teflon)
Sensor protection class:
IP67, Nema 4X
Sensor weight:
Sensor and 2" Saunders body 15 kg (33 lbs),
sensor and 3" Saunders body 26 kg (57 lbs),
sensor and 4" Saunders body 33 kg (73 lbs)
SAUNDERS VALVE BODY
Valve body material
Graphite cast iron
Valve body lining material
PFA (Fluorinated ethylene propylene)
Process connection
ANSI flange 4 inch 150 lbs / ANSI flange 3 inch
150 lbs / ANSI flange 2 inch 150 lbs / DIN
flange DN 100 PN 16 / DIN flange DN 80 PN
16 / DIN flange DN 50 PN 16