ILLKO ESC 2051 - Protective Class I Three-Phase and Hard-Wired Equipments

User’s Manual ESC 2051
Copyright © 2004 ILLKO, s.r.o.
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• Use ▲ and ▼ keys to select item „Nominal voltage“ and press ENTER.
• Press the ENTER key and release it repetitively to select appropriate voltage (100 V,
250 V or 500 V).
Once the voltage is set it remains in instrument’s memory even if it is disconnected
from mains.
• Press the ESC key and release it (repeatedly) until you abandon (sub)menus.
Step 3
• Plug in the mains cable of equipment under test to Test socket 1 (Fig. 6) and switch on
the tested equipment’s mains switch.
• Connect test lead P 2011 with test tip P 3011 to terminal. Touch conductive part of
equipment under test with test lead.
Step 4
• Press the START key and keep it pressed, until displayed result is stabilized, then
release the key. Symbol „“ indicates, that measurement is running.
• After you release the START key, last measured result will be displayed. This value is
automatically written to the buffer, too.
• If you press the CAL key while the START key is pressed, the displayed value is
„frozen” on LCD (HOLD function), but the measurement is still running. Symbol „H“
is displayed when HOLD function is activated.
4.3.3. Protective class I three-phase and hard-wired equipments
Step 1
• Press the R
ISO
key and release it to select insulation resistance function.
• Either result of last measurement or „---“ and set test voltage will be displayed.
Step 2
If you need to change test voltage, proceed as follows:
• Press the MENU key; the main menu is opened.
• Use ▲ and ▼ keys to select submenu „Set-up“ and press ENTER.
• Use ▲ and ▼ keys to select item „Nominal voltage“ and press ENTER.
• Press the ENTER key and release it repetitively to select appropriate voltage (100 V,
250 V or 500 V).
Once the voltage is set it remains in instrument’s memory even if it is disconnected
from mains.
• Press the ESC key and release it (repeatedly) until you abandon (sub)menus.
Step 3
• Connect test lead P 2011 with test tip P 3011 or with crocodile clip P 4011 to R
ISO
/
I
LEAK
terminal and test lead P 2012 with test tip P 3012 to terminal (Fig. 7).
Riso 500 V
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