Meco DIT 99 Скачать руководство пользователя страница 2

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3.2 INSULATION RESISTANCE MEASUREMENT

1. Connect red test lead to ‘+’ terminal

2. Connect black test lead to ‘-’ terminal

3. Short the red and black lest lead and press the test switch,

Zero MA should be indicated on the display.

4. Connect the test Ieads to circuit under test and press test

switch.

5. Display indicates the reading in M

V

, lf insulation resistance is

higher than the range of the instrument, ‘1’ or ‘-1’ is indicated.

4. MAINTENANCE

If there appears to be a malfunction during the operation of the
meter. the following steps should be performed in order to isolate
the cause of the problem;

1. Check the battery.

2. Review the operating instructions for possible mistakes in

operating procedure.

3. Inspect and test the Test Probes for a broken or intermittent

connection.

4.1 BATTERY REPLACEMENT

To prevent electrical shock hazard, disconnect the test leads before
removing the battery cover. Also ensure that the test switch is not
pressed.

1. Remove the cover of battery case at the rear

2. Remove the old batteries from the meter and replace with new

batteries. Replace all the batteries at the same time.

NOTE

NOTE

SR. NO.

:

CHECKED BY :

DATE

:

MODEL NO.

:

®

Certificate of Calibration

We hereby cer tify that this product has been
calibrated and found to be in accordance
with the applicable SPECIFICATIONS and
STANDARDS.

Accuracies of the standard equipment used in
this calibration are traceable to the National
Standards.

Plot No. EL-1, MIDC Electronic Zone,

TTC Industrial Area, Mahape,

Navi Mumbai - 400710 (INDIA)

Tel : 0091-22-27673311-16, 27673300 (Board)

Fax : 0091-22-27673310, 27673330

E-mail : [email protected]

Web : www.mecoinst.com

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