KROHNE MFC 400 EN - Manual (Page 114)

6
OPERATION
114
MFC 400
www.krohne.com 08/2013 - 4002075802 - MA MFC 400 R02 en
Typical frequency values (at 20°C / 68°F; ±5 Hz)
Problems with zero calibration
1 Stop the flow.
2 Set the totaliser in Fct. C3.y.1 to "Absolute Total".
3 Set the low flow cutoff in Fct. C3.y.3 to zero.
4 Perform automatic zero calibration.
5 Reset totaliser and count for 2 minutes.
6 Compare the added value to the specified zero calibration stability.
Possible causes of poor zero calibration:
• Valves not completely closed, air or gas bubbles or deposits on measuring tube
Size All materials
Empty Water
6000 - 08 220 205
6000 - 10 187 172
6000 - 15 212 191
6000 - 25 266 231
6000 - 50 262 230
6000 - 80 234 203
6000 - 100 257 221
6000 - 150 245 208
6000 - 200 218 184
6000 - 250 187 160
INFORMATION!
For best results, perform zero calibration with the medium at operating temperature.
.book Page 114 Monday, August 26, 2013 9:05 AM