LEM ISO plus, Operating Instructions Manual

Page: 7 / 34

Instrument features
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A
Rotary switch for function selection
B
Dual parameter display with backlight
C
Keyboard
D,E Test lead input terminals
Rotary switch functions
A
B
C
D
E
F
H
G
1.1 Keyboard
Display change key
ZERO: relative measurements, test lead
compensation
REC mode: Max, Min, Average
Cursor control in input mode (digit select)
START Measurement in RISO, otherwise HOLD
Continuity in resistance / Backlight ON for
30s (2sec press)
Activate LIMIT
Increment selected digit
OFF Position direct power OFF switching
U ISO = 100 V test voltage
U ISO = 250 V test voltage
U ISO = 500 V test voltage
U ISO = 1000 V test voltage
Continuity test activated by key press in
Ω
200mA
Resistance Measurement 20
Ω
... 200 k
Ω
Voltage AC/DC True RMS, Frequency Hz
Current AC RMS, Frequency Hz
1 mA
A
B
C
D E
OFF
100 V 250 V 500 V
1000 V
600 V
V mA
ISO plus
R
Hz
P ab
200 0
LIMIT
HOLD
REC MAX
AVG MIN
STORE
RECALL
ZERO
DATA
ACTIVE AC+DC
+
U
U
R
1M 400 10M 600100M 800 1G 100010GV 100k
u
Mk
AV k m
G
M
Ω Ω Ω Ω
Ω
Ω Ω
Ω
V
mA
START
HOLD
REC
ZERO
LIMIT
START
HOLD
REC
ZERO
LIMIT
A
B
C
D
E
F
H
G
1 mA
OFF
100 V 250 V 500 V
1000 V
M
Ω
Ω Ω
Ω
Ω
Ω Ω
Ω
V
mA