Chroma 66200 Series User Manual

Operation
Avg
The parameter average is provided by 66200 Series Power Meter to facilitate users reading
the panel readouts. Figure 4-14 shows the calculation and update of average, where
m is the
average number set by user. Applying the concept of first in first out, the original
will be
excluded and
so is when updating the reading next time. The
and …. are the average sampling values and the method is to capture two complete
voltage or current cycles with a certain interval (T) for sampling.
1
X
12
XX →
m
mnew
XX →
1
X
2
X X
123 m
...
1
X
2
X
3
X
m
X
...
New data
new
X
old
X
m
XXXX
X
m
avg
+
+
+
+
=
...
321
Figure 4-14 Calculation and Update of Average
Following are the steps to set the parameter:
1. Press Setup to select Meas and the indicator of Meas is on. Figure 4-15 shows the
setting of Meas.
20
8
2
0.2
AUTO AUTOAUTO
150
300
500
VOLTAGE
CURRENT
SHUNT
2
0.4
0.1
0.01
LH
SYSTEM
Cali
Setup
Trig /
Enter
ON
OFF
I
O
GO/NG
PASS
Shunt
Limit
Meas
RMT
FAIL
Is/Trig
PF F
E
CF
THDv
THD
V
Vpk+
Vpk-
mA
I
Ipk+
Ipk-
Is
W
PF
VA
VAR
Chroma
DIGITAL POWER METER
MODEL
66202
k
Figure 4-15 Stting Meas
2. In the special measurement display a blinking pattern will appear. Use , to select
Meas and press Enter/Trig to save the setting and go to average and window selection
display.
3. In AC voltage parameter display a blinking pattern will appear. Use , to select Avg
and press Enter/Trig to save the setting and go to average number setting display as
Figure 4-16 shows.
Figure 4-16 Setting Avg and the average number
4-11

Chroma 66200 Series Specifications

General

Brand	Chroma
Model	66200 Series
Category	Measuring Instruments
Language	English