UNI-T UT593 - Table of Contents

TABLE OF CONTENTS
Item Page
I. Safety warnings----------------------------------------------------------------------------------------------- 2
II. Characteristics-------------------------------------------------------------------------------------------------4
III. Technical specification---------------------------------------------------------------------------------------5
IV. Front view of the instrument------------------------------------------------------------------------------10
V. Functions of rotary switch---------------------------------------------------------------------------------11
VI. Preparation before measurement-----------------------------------------------------------------------11
VII. Grounding continuity measurement-------------------------------------------------------------------- 12
VIII. Insulation resistance measurement-------------------------------------------------------------------- 14
IX. Voltage/frequency measurement----------------------------------------------------------------------- 16
X. Phase sequence and phase loss measurement---------------------------------------------------- 18
XI. Measurement of fault loop circuit impedance/ fault expected short-circuit current--------- 19
XII. Measurement of line circuit impedance/expected short-circuit current------------------------ 22
XIII. Automatic RCD sequence test---------------------------------------------------------------------------23
XIV. General RCD test-------------------------------------------------------------------------------------------25
XV. Test of RCD Tripping action trigger current-----------------------------------------------------------27
XVI. Replace battery--------------------------------------------------------------------------------------------- 29
XVII. Maintenance------------------------------------------------------------------------------------------------ 29
UT593/595 OPERATING MANUAL