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Page 2: ...f Breakers 8 Testing Disconnection Time of Breakers 9 Preparation for Measurement 10 Battery Fuse Replacement 10 Calibration 11 Servicing 11 11 SERVICING AND CALIBRATION Your Digital RCCB ELCB Tester...
Page 3: ...etely protect against incorrect use Electrical circuits can be dangerous and or lethal when a lack of caution or poor safety practice is used Use caution in the presence of voltage above 24V as these...
Page 4: ...7 RCCB ELCB TESTING TIME DELAY Turn Instrument ON by pressing the ON button The L C D display will come to the following Screen Instantaneous Time Delay Dial Starting Current 125mA Push Select to cha...
Page 5: ...e 4 CONNECTIONS MAX 450V CAT III 6 RCCB ELCB TESTING SENSITIVITY Turn Instrument ON by pressing the ON button The L C D display will come to the following Screen Instantaneous Time Delay Dial Starting...
Page 6: ...ON TEST SELECT START Adjust Current MT328 Press TEST 0 180 5 INSTRUMENT LAYOUT 1 On Switch Test Button Switch 2 Selection Switch 0 180 Switch 3 Current Selection Knob 4 L C D...
