K-Patents PR-03 - Manual (Page 68)

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62 PR-03 instruction manual
8.3.3 PR-03-A specifications
General specifications General system specifications for a PR-03-A refractometer sensor
Refractive index range R.I. 1.3100–1.5400 (hot water – 100 Brix)
Accuracy R.I. ± 0.0002 (corresponds typically to ± 0.1% by weight).
Repeatability and stability correspond to accuracy.
Speed of response 1.2 s undamped
Damping time constant Selectable up to 5 min
Process temperature -20 ◦ C–130 ◦ C (-4 ◦ F–266 ◦ F)
Temperature compensation Automatic
Ambient temperature max. 45 ◦ C (113 ◦ F), min. -20 ◦ C (-4 ◦ F)
Humidity 20–100 %
Pollution degree Degree 2
Process pressure Sanitary clamp max. 15 bar (200 psi) at 20
◦
C (70
◦
F)/
9 bar (125 psi) at 120 ◦ C (250 ◦ F)
Recommended flow velocity Above 1.5 m/s (5 ft/s)
Quality certificate ISO 9001
Sensor Meets the requirements of the 3-A Sanitary Standard 46-02
Wetted parts AISI 316L stainless steel, prism gaskets Teflon R , prism spinel
Sensor weight 2.2 kg (5 lbs)
Sensor protection class IP67, Nema 4X
Process connection 2 1/2" Sanitary clamp
Temperature measurement Built-in Pt-100
Image detector 1024 pixel CCD-element
Light source Light emitting diode (LED)
Indicating transmitter See Chapter 9
Options − External output unit, Section 4.2
− Relay units for prism wash/alarm, Section 4.1
− Prism wash nozzles for steam and hot water, Section 8.3.2
− Flow cells according to separate drawings available from K-Patents
− Stainless steel sensor housing
1.30 1.35 1.40 1.45 1.50 1.55 1.60
R.I.
40 0 10 20 30 50 60 70 80 BRIX
A62
Figure 8.2 Sanitary refractometer PR-03-A rangeability