MEWOI MEWOI4000 User Manual Download Page 20 | Manualshive

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MEWOI MEWOI4000 User Manual Download Page 20

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Summary of Contents for MEWOI4000

Page 1: ...Digital Earth Resistance Tester...

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Page 3: ...Operation Methods 8 1 Switch On Off 8 2 Battery Voltage Check 8 3 Insert and Connection of Rods 8 4 Grounding Voltage Measurement 9 5 Wire Resistance Verification 10 6 Precision Measurement 10 7 Simpl...

Page 4: ...n to words and symbols stick on the Tester It shall make sure that tester and accessories are in good condition before use it can be used only when there is no damaged naked or broken part in testing...

Page 5: ...lease set FUNCTION rotary switch to OFF after usage When the meter displays battery low voltage symbol and you need to replace the battery in time If the Tester is not going to be used for a long peri...

Page 6: ...ion more accurate on measuring on site low value earth ground resistance which can avoid error caused by resistance change due to prolonged usage of testing wire avoid error caused by testing wire tha...

Page 7: ...cise 3 pole measurement simple 2 pole measurement Measuring Method Earth ground resistance rated current change pole method measurement current 3mA Max 820Hz Voltage to ground average value rectificat...

Page 8: ...display FULL icon to indicate storage is full Data Hold Data hold function HOLD icon display Data Read Data read function READ icon display Overflow Display Exceeding measuring range overflow function...

Page 9: ...sulation Resistance Over 10M between circuit and enclosure it is 500V Withstanding Voltage AC 3700V rms Between circuit and enclosure Electromagnetic Features Wireless frequency electromagnetic field...

Page 10: ...ent with fall of potential method AC constant current I 3mA Max 820Hz is applied between the measurement object E earth electrode and C current electrode and finding out the potential difference V bet...

Page 11: ...tch on and off When rotary switch button displays OFF for shut off The Tester has no auto shut off function so please shut it off after usage in case of battery consumption saving 2 Battery Voltage Ch...

Page 12: ...the case of short circuit of P C interface Otherwise measuring voltage in the grounding circuit of cutout switch may cause cutout switch start On measuring grounding voltage please do not impose over...

Page 13: ...value and stores it For this time switch on it will automatically deduct the verified wire resistance value from earth ground resistance measurement It will not preserve the verified wire resistance...

Page 14: ...asured values by pressing CLR button 7 Simple Measurement When select commercial use power supply system earth as auxiliary earth electrode it must use detector to confirm that is it the earth ground...

Page 15: ...resistance value of common grounding object like commercial use power system Then the earth ground resistance value of measured grounding object is RX RE re Adopting simple method for measurement of e...

Page 16: ...ess button for a long time about 3 seconds to enter alarm critical value settings press or to change current digital press button to move cursor and then press button to store and exit When measuremen...

Page 17: ...d the connection is successful then it can read the stored historical data upload to company and preserve Monitoring software has the function of online real time monitoring and historical inquiry dyn...

Page 18: ...1 PC Auxiliary Grounding Rod 2 PCS Monitoring Software Disk 1 Copy RS232 Communication Cable 1 PC Testing Wire 3 PCS Simple testing wire 2 PCS Zinc manganese dry battery 6 PCS R14S 1 5V Manual Warran...

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Page 20: ...Your Testing Specialist...

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