KYORITSU 3147A User Manual
Page 2
Contents
1．Safety warnings ……………………………………………………１
2．Features ……………………………………………………………３
3．Specification ………………………………………………………４
4．Instrument layout …………………………………………………７
5．Preparation for measurement ……………………………………８
5−1 Mechanical zero adjustment ………………………………８
5−2 Test lead connection ………………………………………８
5−3 Battery voltage check ………………………………………９
5−4 Power-on-indication LED …………………………………９
6．Measurement ………………………………………………………10
6−1 AC voltage measurement …………………………………10
(Mains disconnection check)
6−2 Insulation resistance measurement ………………………11
6−3 Continuous measurement …………………………………13
6−4 Output voltage characteristics ……………………………13
6−5 Backlight function …………………………………………15
7．Battery replacement ………………………………………………16
8．Notes on Housing case and accessories ………………………17
8−1 Case lid
……………………………………………………17
8−2 Neck strap and Cord case …………………………………18
8−3 Test prods and replacement ………………………………19
8−4 Adaptors for the Earth cord and replacement
…………20
8−5 Cleaning Meter cover
……………………………………21