E N G L I S H
Overview
Earth and resistivity tester
C.A 6470N
Page 1: ...E N G L I S H Overview Earth and resistivity tester C A6470N...
Page 2: ...stallations Measurement category II corresponds to measurements taken on circuits directly connected to low voltage installations Measurement category I corresponds to measurements taken on circuits n...
Page 3: ...ets the safety criteria of standards IEC 61010 1 61010 2 31 32 and IEC 61557 parts 1 4 and 5 subject to the following conditions Maximum altitude for use 3 000 m Use indoor or outdoor Max voltage rela...
Page 4: ...p circuit or with a link to the electricity network maintained Never exceed the protection limits indicated in the specifications In general boots gloves and insulated mats should be used The equipote...
Page 5: ...ISPLAY key You can record all of this information in the internal memory of the device 2 Manual or expert mode Set the switch to the desired function Make the connections appropriate to the function S...
Page 6: ...without recording SMOOTH Activation deactivation of the smoothing of measurement display MEM Memorisation of a measurement and all the information relating to an address defined by an object number OB...
Page 7: ...t DISPLAY 1st press m metres or ft feet m m alarm measure 2 wires DISPLAY 2nd press ON OFF direction or value 1 999 OFF 2 Buzzer DISPLAY 3rd press ON OFF ON Modbus address DISPLAY 4th press 1 247 1 Da...
Page 8: ...ashes All RS 30 kW flashes 2 S flashes All Values measured U I R unstable varying by more than 5 of their average value 1 fixed 2 flashes All US ES US E UH E 42 V flashes 2 All Spurious voltage of whi...
Page 9: ...refore be used but will need to be repaired if the error persists Special cases An 18 error indicates it is impossible to recharge the internal battery of the instrument If an 18 error is declared whi...
Page 10: ...R mean resistance calculated from R and R R resistance measured with a positive current flowing from terminal H to terminal E R resistance measured with a negative current flowing from terminal H to t...
Page 11: ...method W soil resistivity measured by the Wenner method 1 The suffix Act becomes In for Input when this value is recorded in the device then read in order to distinguish between present value and rec...
Page 12: ...rnoux Ltd Waldeck House Waldeck Road Maidenhead SL6 8BR Tel 01628 788 888 Fax 01628 628 099 ITALIA Amra SpA Via Sant Ambrogio 23 25 20050 Bareggia di Macherio MI Tel 039 245 75 45 Fax 039 481 561 MIDD...
