2 specifications – K-Patents PR-23 User Manual
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PR-23 instruction manual
11.2 Specifications
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 liq-
uids 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)
SAFE-DRIVE™ SENSOR PR-23-SD
(Patent Pending)
AND ISOLATION VALVE SDI-23
Isolation valve connection:
Safe-Drive™ flange DN 40 PN25
(Patent pending)
Process pressure:
Static pressure up to 20 bar (300 psi),
operational pressure up to 10 bar (150 psi)
Process temperature:
-20 °C–170 °C (-4 °F–340 °F)
Sensor process wetted parts,
SAF 2205, Duplex steel SS 2377, Werkstoff-
Nr.
standard:
1.4462, UNS S31803, prism spinel, prism
gaskets MTF (Modified Teflon)
Sensor protection class:
IP67, Nema 4X
Isolation valve
SAF 2205, Duplex steel SS 2377, Werkstoff-
Nr.
process wetted parts:
1.4462, UNS S31803, AISI 316 L, flange
gasket Viton
®
, lip seals Bronze Teflon
®
and ELGILOY, AISI 301 spring
Isolation valve
By welding to pipe sizes of 2"–24", for both
process connection:
vertical and horizontal pipe lines
Prism wash:
Retractable steam wash nozzle with check
valves
Sensor and valve weight:
10.5 kg (23 lbs)