Valmet OC2R - Technical Specifications; Performance Specifications; Environmental and Physical Data

1 (2)
12.12.2019
Valmet Optical Consistency Measurement – Valmet OC2R
Technical specification
© Valmet Automation Inc.
All rights reserved.
OC2R Specification EN.docx
Optical consistency measurement for the pulp and paper industry
Valmet OC
Valmet OCR
Valmet OCS
Valmet OCE
Valmet OC2R
pure / mechanical
pulps
ash-containing
pulps
chemical
pulps
eucalyptus
pulps
total Cs & ash
Output 1: Meas. range, Cs
0–12 %
0–12 %
0–12 %
0–12 %
0–12 %
Output 2: Meas. range, ash
-
-
-
-
0–10 %
Repeatability, Cs
± 0.01 %
± 0.01 %
± 0.01 %
± 0.01 %
± 0.01 %
Sensitivity, Cs
0.002 %
0.002 %
0.002 %
0.002 %
0.002 %
Filler content max.
30 %
100 %
30 %
30 %
100 %
Ash variation
± 2 %
No limit
± 2 %
± 2 %
No limit
pH
3–10
3–10
2–12
3–10
3–10
Pressure rating
PN25
PN25
PN25
PN25
PN25
Flow velocity min.
- turbulent flow
0.3 m/s
1 m/s
0.3 m/s
0.3 m/s
1 m/s
Sensor part
Measurement
Span min. ........................ 0.5 % Cs
Damping ......................... adjustable, 1–60 sec
Materials
Enclosure ........................ Polycarbonate
Wetted parts .................... AISI 316L
O-ring material................. VITON
Process conditions
Temperature.................... 0 to +120°C (+32 to +248°F)
Vibration .......................... max. 2G (20 m/s
2
), 10–2000 Hz
Minimum pipe size ........... DN80 (80 mm). If installation to a
smaller pipe is required, please
contact Valmet.
Environment
Ambient temperature ....... -20 to +60°C (-4 to +140°F)
Temp. during storage ....... -50 to +80°C (-50 to +176°F)
EMC test standards
Radiated interference ...... IEC 61000-6-2
Interference immunity ...... IEC 61000-6-4
Weight
Sensor + Optical TCU ..... 3.9 kg (8.6 lbs)
Valmet OC Optical TCU
Connections
TCU to Optical Unit .......... length 0.7 m (2.3 ft)
Optical cable .................... length 5 / 10 m (16.5 ft / 33 ft)
Operating power .............. 90–260 VAC, 47–63 Hz, 1 A
Power consumption ......... max. 25 W
Connections to mill system
- Analog outputs............... 2 current outputs, 4–20 mA
- HART® ......................... 12–35 VDC
- Binary inputs.................. 2 inputs, galvanically isolated
12–28 VDC / 10 mA
PROFIBUS PA Slave (option)
IEC 61158-2
- Profibus power supply .... from the bus
- Bus voltage ................... 9–32 VDC, reverse polarity
protection
- Max. basic current ......... 14.2 mA
Connections to PC (configuration & diagnostics)
- DTM .............................. HART®
- PC-connection (service) . RS-232
Environment
Ambient temperature........ max.50°C (max.122°F)
Enclosure class ............... IP65 (NEMA 4)
Vibration
- TCU + Optical Unit ......... max. 1 G (10 m/s
2
), 10–2000 Hz
Weight
TCU ................................ 2 kg (4.4 lbs)
TCU + Optical Unit ........... 3 kg (6.6 lbs)
Options: when TCU and Optical Unit separated
• K15278, 10 m Sensor Cable option
• K13507, 10 m Extension Cable