MI 2087 Instaltest 61557
Instrument description
8
Legend:
1
ON/OFF
key
, to switch ON or OFF the instrument. Auto OFF will occur
automatically 10 minutes after last strike to any key or function switch
rotation.
2
RS 232 key
, to communicate with PC.
3
LAMP
key
, to turn ON or OFF display backlight. Auto OFF will automatically
occur 20 seconds after last strike to any key or function switch rotation.
4
RCL
key
, to recall stored results.
5
SAVE
key
, to store test results.
6
START
key
, to start any measurement.
7
CLR key
, to erase stored results.
8
DISPLAY key
, to:
•
Check last actual test voltage (
R
INS
position), after finishing the
measurement.
•
Switch between Continuity of protective conductors and General Continuity
functions (
R
±±±±
200mA
position).
•
Check lower partial result in Continuity of protective conductors function,
when main test result is displayed (
R
±±±±
200mA
position).
•
Switch between Voltage and Frequency measurement (
R
LINE
, Isc U
L-N
or
R
LOOP
, Isc U
L-PE
position), before
START
key is pressed.
•
Check Prospective Short-circuit Current Ipsc (
R
LINE
, Ipsc U
L-N
or
R
LOOP
,
Ipsc U
L-PE
position), when main test result is displayed.
•
Check Fault Loop Resistance value and set Limit Contact Voltage (
Uc, R
L
position
)
, when result Uc is displayed.
•
Check Contact Voltage and set Limit Contact voltage (
t
∆∆∆∆
N
position), when
result t
∆
N
is displayed.
•
Check Contact Voltage, Trip-out Time at trip-out current and set Limit
Contact Voltage (
I
∆∆∆∆
, t
∆∆∆∆
position), when result I
∆
is displayed.
•
Check Lowest, Highest and Average value of Recorded voltage as well as
Set parameters (
U
L-N
LOG
position), after the measurement is finished.
9
LCD
with backlight.
10
Function switch
, to select appropriate parameter to be tested.
11
Belt slot
, to fix carrying belt.
12
CAL
key, to compensate resistance of test leads in
R
±±±±
200mA
function.
13
↓↓↓↓
key
, to reduce settable parameter value.
14
↑↑↑↑
key
, to increase settable parameter value.
15
SELECT key
, to select/set function parameters as follows:
•
Insulation Resistance (Nominal test voltage and Low limit value of test
result).
•
Continuity of protective conductors (High limit value of test result).
•
Contact Voltage (Nominal differential current, RCD type and Limit contact
voltage).
