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PR-23 instrucon manual
11.2 Specicaons
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 certiied 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 wavelength,
sodium light
Temperature sensor: Built-in Pt-1000
Temperature compensation: Automatic, digital compensation
Instrument veriication: With certiied 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™ lange 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 (Modiied Telon)
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, lange gasket Vi-
ton
®
, lip seals Bronze Telon
®
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)
SAFE-DRIVE™ RETRACTOR (Patent pending)
SDR-23
Retractor weight: 7.7 kg (17 lbs)
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