
1.
Announcement
.
.................................................................................................
1
.
1
Safety statement .......................................................................................
1
.
2
Safety information ....................................................................................
2. General information
.......................................................................................
2.1Description of the meter's panel ...........................................................
2.2LCD screen.....................................................................................................
3.Operating instructions
....................................................................................
3.1Auto
shutdown
...........................................................................................
3.2DC
voltage measurement .......................................................................
3.3DC
voltage output ....................................................................................
3.4DC
measurement (milliampere) ...........................................................
3.5DC
measurement (milliampere)with loop power supply
..............
3.6DC
output(milliampere)with loop power supply ............................
3.7DC (milliampere) analog output with Ma analog output
current .........................................................................................................
4
.
Technical parameters .......................................................................................
4.1DC
voltage measurement/output .......................................................
4.2DC
current input/output .......................................................................
4.3Circuit
power ...............................................................................................
5.General specification ......................................................................................
6.Maintenance .....................................................................................................
6.1Cleaning
.......................................................................................................
6.2Calibration ....................................................................................................
6.3Battery
replacement .................................................................................
6.4Fuse
replacement .......................................................................................
1
1
2
3
4
5
5
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7
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8
9
11
12
12
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Contents
PM7221