SEW ST-1520, Digital Earth Resistance Testers 085282731888

Digital Earth Resistance Testers ST-1520, 085282731888 Ï Capable of measuring earth resistance and earth voltage. Ï 2mA measuring current permits the testing of earth resistance without tripping earth leakage current breakers in the circuit under test. Ï Auto power off function. Ï The timer operates automatically for about three to five minutes when the " PUSH BUTTON SWITCH" and " TIMER ON BUTTON" are pressed together. This will keep test " ON" for the duration of the timer. Ï Timer for test function ( count 3-5 minutes) . Ï Battery operated. Ï Data hold function. Ï Small and light weight. Ï Calibration performed with supplied test leads. SPECIFICATIONS Measuring ranges Earth resistance 0-20© / 0-200© / 0-2000© Earth voltage 0-200 Vac ( 40-500Hz) Accuracy Earth resistance ± ( 2% rdg+ 2dgt) or ± 0.1© , which is greater Earth voltage ± ( 1% rdg+ 2dgt) Earth resistance resolution 0-20© : 0.01© 0-200© : 0.1© 0-2000© : 1© Measuring system Earth Resistance by constant current inverter 820Hz approx. 2mA. Display 3½ digit ( 2000 counts) Open circuit indication LED will be unlit Low battery indication “ B “ symbol appears on the display Data hold indication “ DH “ symbol appears on the display Over range indication “ 1” ( MSD) Dimensions 163( L) × 100( W) × 50( D) mm Weight ( battery included) Approx. 480g Power source 1.5V ( AA) × 6 Hubungi toko DINS ( Digital Instruments) jl. Muchtar Raya No. 1D, kreo - Ciledug - Tangerang 15155 CP : Irfan Syihabudin XL : 081908101888 AS : 085282731888