Operating Instructions
METRALINE
ISO
CHECK
Insulation Resistance Tester
3-349-691-03
2/4.13
Page 1: ...Operating Instructions METRALINE ISOCHECK Insulation Resistance Tester 3 349 691 03 2 4 13 ...
Page 2: ...ng The device has been stored under unfavorable conditions for a lengthy period of time The device has been handled impermissibly e g has been dropped from a height of 1 meter or more The test instrument does not function as described in these operating instructions if this is the case we recommend resetting the device as described in section 3 5 on page 7 CAUTION Do not touch electrically conduct...
Page 3: ...s are simultaneously recessed and protected In order to charge batteries which have been inserted into the instrument the flexible test probe s connector plug must be removed and the slide must be pushed to the left so that the socket at the right is made accessible and the charger can be plugged into it Figure 2 2 Detail View of the Back Panel with Battery Compartment Lid 2 2 Control Panel 1 Grap...
Page 4: ...nce voltage to appear at the display Do not remove the test probes prematurely during the course of the measurement because this may lead to distorted mea surement results After insulation measurement has been completed any remaining residual voltage is displayed as UIN which may result from cable capacitance Contact to the device under test must be main tained for as long as a capacitive DUT is b...
Page 5: ...y take several tens of seconds Note Whistling or hissing noises may emanate from the test instrument during measurement 3 3 3 Measurements at Varistors surge protection devices For this measuring function the test instrument generates a rising direct voltage within a range of 50 to 1000 V and at the same time measures current flowing through the device under test As soon as current reaches a level...
Page 6: ...hich may result from cable capacitance Contact to the device under test must be main tained for as long as the capacitive DUT is being discharged via the test instrument s internal resistor The falling voltage value can be observed directly at the UIN display Do not disconnect the DUT until voltage UIN is less than 25 V Comments Before measuring surge protection devices disconnect them from the in...
Page 7: ...ast 750 mAh Number of measurements with batteries at 800 mAh approx 1 000 measurements with 500 V test voltage on 500 k Electrical Safety Measuring category with safety cap applied to test probe CAT III 300 V without safety cap applied to test probe CAT II 300 V Pollution degree 2 Protection class II Mechanical Design Display OLED multicolored graphic Protection IP 43 Dimensions Approx 260 x 70 x ...
Page 8: ...d soapy water for cleaning Do not place the test instrument back into service until its surface is completely dry Attention Do not use cleaning agents which contain benzine or al cohol Prevent liquids from penetrating into the test in strument s interior 5 3 Recalibration The measuring tasks performed with your instrument and the stressing it s subjected to influence aging of its components and ma...
