MI 2087 AL2 EasiTEST
Instrument description
8
Legend:
1 ........ ON/OFF key, to switch ON or OFF the instrument. Auto OFF will occur
automatically 10 minutes after any key is pressed or function switch rotated.
2 ........
LAMP
key
, to turn ON or OFF display backlight. Auto OFF will automatically
occur 20 seconds after to any key is pressed or function switch rotated.
3 ........
START
key
, to start any measurement.
4 ........
DISPLAY key
, to:
q
Check last actual test voltage (
INSULATION
position) after finishing the
measurement.
q
Check lower partial result in Continuity of protective conductors function, when
main test result is displayed (
CONTINUITY
position).
q
Switch between voltage and frequency measurement (
LOOP L-N, PSC
or
LOOP L-E, PSC
position) before
START
key is pressed.
q
Check Prospective Short-circuit Current Ipsc (
LOOP L-N, PSC
or
LOOP L-E,
PSC
position) when main test result is displayed.
q
Check Fault Loop Resistance value and set Limit Contact Voltage (
TRIP-LOCK
position
)
when result Uc is displayed.
q
Check Contact Voltage and set Limit Contact voltage (
RCD MANUAL
position),
when result t
∆
N
is displayed.
q
Check Contact Voltage, Trip-out Time at trip-out current and set Limit Contact
Voltage (
RCD RAMPTEST
position) when result I
∆
is displayed.
5 ........
LCD
with backlight.
6 ........
Function switch
, to select appropriate parameter to be tested.
7 ........
Belt slot
, to fix carrying belt.
8 ........
CAL key
, to compensate resistance of test leads in
CONTINUITY
function.
9 ........
▼
key
, to reduce settable parameter value.
10 ......
▲
key
, to increase settable parameter value.
11 ......
SELECT key
, to select/set function parameters as follows:
q
INSULATION (nominal test voltage)
q
RCD AUTO (nominal differential current, RCD type)
q
RCD RAMPTEST (nominal differential current)
q
RCD MANUAL (nominal differential current, multiplier of nominal differential
current, RCD type)
q
TRIP-LOCK (Loop/Rs or contact voltage, nominal differential current, RCD
type, limit contact voltage)
