K-Patents PR-03 - Manual (Page 88)

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82 PR-03 instruction manual
8.6.2 PR-03-M specifications
General specifications General system specifications for a PR-03-M refractometer sensor
Refractive Index range, standard R.I. 1.3100–1.5400 (corresponds to hot water–100 Brix) with
spinel prism
Refractive Index range R.I. 1.2600–1.5000 with sapphire prism
Refractive Index range R.I. 1.3900–1.6200 with YAG prism
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–212
◦
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 max 5 bar (72.5 psi)
Recommended flow velocity 2–40 l/min (0.5–10.6 GPM)
Protected by the following US Patent Patent No. US6067151
Sensor
Wetted parts, standard
Teflon R or Kynar R PVDF, prism gaskets Teflon R , prism spinel,
O-ring Kalrez, adaptor sapphire
Wetted parts, option prism sapphire or YAG
Sensor weight 5.5 kg (12.1 lbs)
Sensor protection class IP67, Nema 4X
Process connection Thread G1/2" (F)
Temperature measurement Built-in Pt-100
Image detector 1024 pixel CCD-element
Light source Light emitting diode (LED)
Sensor housing AISI 316L stainless steel sensor cover
Exproof Exproof by purging
Indicating transmitter see page See Chapter 9
Options − External output unit, Section 4.2
− Relay units for alarm, Section 4.1
1.30 1.25 1.35 1.40 1.45 1.50 1.55 1.60 1.65
R.I.
40 0 10 20 30 50 60 70 80 BRIX
M62
M74
Figure 8.17 Process refractometer PR-03-M rangeability