METREL MI 2893 - Temperature

MI 2893 / MI 2892 / MI 2885 Temperature
67
Table 39: Instrument screen symbols and abbreviations
u-
Maximal ( ), average ( ) and minimal ( ) value of negative sequence voltage
ratio u-
u0
Maximal ( ), average ( ) and minimal ( ) value of zero sequence voltage ratio u
0
i-
Maximal ( ), average ( ) and minimal ( ) value of negative sequence current
ratio i-
i0
Maximal ( ), average ( ) and minimal ( ) value of zero sequence current ratio i
0
U+
Maximal ( ), average ( ) and minimal ( ) value of positive sequence voltage U
+
U-
Maximal ( ), average ( ) and minimal ( ) value of negative sequence voltage U
-
U0
Maximal ( ), average ( ) and minimal ( ) value of zero sequence voltage U
0
I+
Maximal ( ), average ( ) and minimal ( ) value of positive sequence current I
+
I-
Maximal ( ), average ( ) and minimal ( ) value of negative sequence current I
-
I0
Maximal ( ), average ( ) and minimal ( ) value of zero sequence current I
0
Table 40: Keys in Unbalance trend screens
U+ U- U0
I+ I- I0
u+ u0 i+ i0
Shows selected voltage and current unbalance measurement (U
+
, U
-
,
U
0
, I
+
, I
-
, I
0
, u
-
, u
0
, i
-
, i
0
).
METER
Switches to PHASE DIAGRAM view.
UNBAL.
Switches to UNBALANCE DIAGRAM view.
TREND
Switches to TREND view (available only during recording).
Moves cursor and selects time interval (IP) for observation.
Returns to the “MEASUREMENTS” submenu.
3.11 Temperature
MI 2893/MI 2892/MI 2885 instruments are capable of measuring and recording temperature with
Temperature probe A 1354. Temperature is expressed in both units, Celsius and Fahrenheit degrees. See
following sections for instructions how to start recording. In order to learn how to set up neutral clamp
input with the temperature sensor, see section 4.2.4.
F2
F4