K-Patents PR-03 User Manual
Page 68
68
68
68
68
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