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Summary of Contents for Megger DCM305E
- Page 1 DCM305E Earth Leakage Clampmeter User manual 99 Washington Street Melrose, MA 02176 Phone 781-665-1400 Toll Free 1-800-517-8431 Visit us at www.TestEquipmentDepot.com...
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Page 2: Safety Information
Read First Safety Information To ensure safe operation and service of the meter, follow these instructions. Failure to observe warnings can result in severe injury or death. ■ Avoid working alone so assistance can be rendered. ■ Do not use the clamp meter if the instrument looks damaged ■... - Page 3 CAT IV Measurement category IV: Equipment connected between the origin of the low-voltage mains supply outside the building and the consumer unit. CAT III Measurement category III: Equipment connected between the consumer unit and the electrical outlets. CAT II Measurement category II: Equipment connected between the electrical outlets and the user’s equipment.
- Page 4 Power Off / On ■ The instrument displays battery capacity when powering up. Replace batteries when 0% is displayed. Auto Power Off Enable / Disable...
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Page 5: Auto Backlight
Auto Hold Enable / Disable In the AUTOHOLD mode, if the measured value remains within ±10 counts over 10 measuring cycles the instrument will beep 3 times; the measured value will be held on the display and “AUTOHOLD” will be displayed. Subsequently if the measured value changes by ±10 counts, the instrument will beep;... -
Page 6: Leakage Current Measurement
AC Current CAT III 300 V with respect to earth for the jaw. Barrier for hand guard. Do not hold the instrument above the barrier. Leakage Current Measurement Recommended applications of instrument with respect to conductors. Note: Measurements made on the earth conductor only will indicate current in the earth conductor but not the entire installation. - Page 7 Single / 1 phase Single / 1 phase 3 wire / 3 phase 3 wire / 3 phase...
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Page 8: Data Hold
4 wire / 3 phase + neutral 4 wire / 3 phase + neutral Data Hold Note: Data Hold beep guard The internal sounder will beep continuously with the LCD display flashing in the Data Hold mode when the measured signal is 50 counts larger than the LCD reading. -
Page 9: Low Pass Filter
Peak Hold (forcing into the manual range mode) Low Pass Filter (forcing into the manual range mode) ■ The cut-off frequency of the low pass filter is about 100 Hz with an attenuation characteristic of approximately -24 dB / octave. -
Page 10: Auto Range / Manual Range
Auto Range / Manual Range... - Page 11 Comparator Select a limit level Comparing Confirm the limit level ■ The instrument offers 3 limit values (0.25 mA, 0.5 mA and 3.5 mA) ■ The internal sounder will beep continuously with the LCD display flashing when measured value exceeds the confirmed limit level.
- Page 12 Auto Hold...
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Page 13: Auto Power Off
Megger is registered in the UK as a Producer of Electrical and Electronic equipment. The registration No is; WEE/DJ2235XR. Users of Megger products in the UK may dispose of them at the end of their useful life by contacting B2B Compliance at www.b2bcompliance.org.uk or by telephone on 01691 676124. -
Page 14: Battery Disposal
Battery Disposal Batteries in this product are classified as Portable Batteries under the Batteries Directive. Please contact Megger Ltd for instructions on the safe disposal of these batteries. For disposal of batteries in other parts of the EU contact your local distributor. - Page 15 AC Current Range Resolution Accuracy * 6 mA 0.001 mA 0A ~ 10A ±(1% reading + 8 digits) 60 mA 0.01 mA 10 ~ 50A 600 mA 0.1 mA ±(2% reading + 10 digits) 0.001 A 50 ~ 100A 60 A 0.01 mA ±(10% reading + 10 digits) 100 A...
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Questions and answers
It says in the manual you can disable the auto power off but I can't get this too work.