CONTENTS
1. SAFE TESTING .................................................................................. 1
2. PROCEDURE OF REMOVING COVER ........................................... 4
3. FEATURES .......................................................................................... 5
3.1 Instrument Layout ........................................................................ 5
3.2 Test Lead ...................................................................................... 6
3.3 Features ........................................................................................ 7
4. SPECIFICATIONS .............................................................................. 9
5. OPERATING INSTRUCTIONS ......................................................... 10
5.1 Initial Checks ................................................................................ 10
5.2 Measurement of the Loop Impedance ...................................... 11
5.3 Measurement of Prospective Short Circuit Current .............. 12
6. DETAILED EXPLANATION ............................................................ 13
6.1 Measurement of Fault Loop Impedance and
Prospective Fault Current ........................................................ 13
6.2 Measurement of OLD-TT System .............................................. 18
6.3 Measurement of Line Impedance and
Prospective Short Circuit Current .......................................... 19
7. SERVICING
................................................................................... 20
8. CASE AND STRAP BELT ASSEMBLY .......................................... 20
