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)
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