Valmet Valmet MCA, Инструкция по установке и эксплуатации, Страница: 59 / 66

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Valmet MCA Technical specification
© Valmet Automation Inc. Manufacturer reserves the right to changes without prior notice.
Valmet MCA sensor
Measurement
Measuring range ........... 0–16 % Cs; if greater than
16 %Cs or if used in an
application other than for
paper or pulp, please consult
Valmet Automation
Repeatability ................. ±0.01 %Cs
Sensitivity ...................... 0.001 %Cs
Filtering ......................... 1–99 s
Microwave power .......... 15 mW
Process conditions
pH range ....................... 2.5 – 11.5
Temperature ................. 0…+100 °C (32…212 °F)
Process pressure
- Minimum ..................... recommended: over > 1.5
bar, no free air
- Maximum, F-model ..... PN25
- Maximum, FT-model ... DIN PN16 / ANSI Class 150
/ JIS 10k
Vibration ........................ max. 20 m/s 2 , 10–2000 Hz
Operating environment
Temperature ................. -20...+70 °C (-4…+158 °F),
protect from direct heat
sources
Housing class ............... IP66 (NEMA 4X)
Connections
Operating power,
communication .............. cable from TCU
Materials, F-model
Wetted parts ................. AISI 316L (OPTION:
Titanium GR2 or Hastelloy
C276), Ceramic
Sealing rings ................. Viton, Simrit 483
Process coupling .......... AISI 316L (OPTION:
Titanium GR2 or Hastelloy
C276)
Mounting clamps,
bolts .............................. AISI 316
Materials, FT-models
Wetted parts ................. AISI 316, AISI 316L,
Ceramic
Sealing rings ................. Viton, Simrit 483
Process coupling .......... AISI 316, AISI 316L
Operating terminal TCU
Connections
Cable to sensor ............ length 10 m (33 ft),
extension cable 10 m (33 ft)
available, max. length 30 m
(98 ft)
Operating voltage ......... 90–260 VAC / 0.1 VA
Connections to mill systems
- analog outputs ........... 2 current outputs, 4–20 mA
(Cs + process temperature /
conductivity)
- HART® ....................... 12–36 VDC
- binary inputs ............... 2 x 12–28 VDC / 10 mA,
isolated
Connection to PC
Device DTM .................. HART® / Profibus PA
Operating environment
Temperature ................. 5–50°C (+41–122°F)
Housing class ............... IP65 (NEMA 4)
Dimensions & weight
w x h x d ....................... 232 x 282 x 133 mm
(9.13" x 11.10" x 5.24")
Weight .......................... 2 kg (4.4 lbs)
Conductivity limits and sensor weights:
Conductivity max. (mS/cm)
30 °C /
86 °F
50 °C /
122 °F
70 °C /
158 °F
Weight,
kg / lbs
MCA-F 18 15 13 5.2 / 11.5
MCA-FT
50 /2"
25 25 25 8.5 / 18.7
MCA-FT
100 /4"
18 16 13 10.0 / 22.0
MCA-FT
150 /6"
13 12 10 13.5 / 29.8
MCA-FT
200 /8"
13 11 9 17.0 / 37.5
MCA-FT
250 /10"
13 11 9 24.5 / 54.0
MCA-FT
300 /12"
10 9 7 29.0 / 63.9