MI 2792 PowerQ4 Plus
Recording Practice and Instrument Connection
84
·
Time & Date setup
·
Recharge batteries
·
Clear memory
Step 1:
Step 2:
·
Voltage range
·
Voltage ratio
Step 2.2:
·
Phase diagram
·
U,I,f meter screen
·
Power meter screen
Step 3:
·
Clamp type
·
Clamp ratio
Step 2.3:
· Conn.Type(4W,3W,1W)
· Sync channel:U1 | I1 | U12
· Freqency: 50 Hz | 60 Hz
Step 2.1:
·
Preform measuremement
·
Save waveform snapshoots
Step 4:
Prepare instrument for new measurement,
before going to measuring site. Check:
·
Is it time and date correct?
·
Are batteries in good condition?
·
Is it Memory List empty? If it is not,
download all data from previous
measurements and release storage for
new measurement.
Setup PowerQ according to the
measurement point nominal
voltage, currents, load type.
Optionally enable events or
alarms and define parameter
thresholds.
Double check Measurement setup
using Phase diagram, and various
scope and metering screens
Using power metering check if
power is flowing in right direction
(power should be positive for load
and negative for generator
measurements)
·
Nominal voltage
·
Thresholds
Step 2.4: [Optional]
·
Define alarm and
its parameters
Step 2.5: [Optional]
·
Select recorder type
and signals for
recording
·
Define recording start
time, duration and
interval and trigger
settings.
Step 5: [Optional]
Start Recording
·
Download data
·
Analyse data
·
Create report
·
Export to Excel or Word
Step 7:
Start
In Office
On Me
asu
rin
g site
In office
·
Stop recorder
·
Power off instrument
·
Remove wiring
·
Analyze recorderd data with
instrument (Memory List,
Event and Alarm tables)
Step 6:
·
Sig. Freq. 1
·
Sig. Freq. 2
Step 2.6: [Optional]
Figure 4.1: Recommended measurement practice