Table of Contents
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Table of Contents
Related Manuals for Megger DET10C
Summary of Contents for Megger DET10C
- Page 1 DET10C and DET20C Clamp on Ground Resistance Tester User Manual...
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Page 2: Safety Warnings
SAFETY WARNINGS Use of rubber gloves is good safety practice even if the equipment is properly operated and grounded. Safety is the responsibility of the operator. Use extreme caution when using the instrument around energised electrical equipment. Do not attempt to use the ground tester to twist or pry the ground electrode or ground wire away from the equipment being grounded. -
Page 3: Table Of Contents
Format of Down Loaded Data (DET20C only) Reading the Data Stored in Memory Clearing the Data Memory Enable RS-232C output (DET20C only) Installation of Megger Download Manager Software Description of Megger Download Manager Software PRINCIPLE OF OPERATION ELECTRICAL SPECIFICATION GENERAL SPECIFICATIONS... -
Page 4: Features Description
FEATURES DESCRIPTION The clamp-on ground resistance tester enables the user to measure the ground resistance of a ground rod without the use of auxiliary ground rods. The clamp-on ground resistance tester is used in multi- grounded systems without disconnecting the ground under test. -
Page 5: Controls Description
FEATURES DESCRIPTION 1. Jaws Assembly: Encircle electrode or ground rod. No air gap is allowed between the two jaw halves. 2. Hold Button: Maintains last measurement on display 3. Rotary Switch: Power on and function selection. 4. LCD panel 5. "REC "button: Function dependant on mode. -
Page 6: Liquid Crystal Display
LIQUID CRYSTAL DISPLAY 1. Function Display current selected function or current record number. 2. Digits Display value from 0 to 9999 with decimal point. 3. Ohm Indicates resistance mode and alarm functions. 4. mA Indicates ground leakage current mode in mA or A Indicates instrument is set at the alarm position. -
Page 7: Operating Instructions
OPERATING INSTRUCTIONS Ground Resistance Measurement 1. Open the jaws and make sure that the mating surfaces are clean and free of dust, dirt or any foreign substance. 2. Snap the jaws a few times to ensure clean contact is made. 3. - Page 8 5. When the rotary switch is set at the position the instrument will compare the measured value with the high and low values. If the measurement is higher than the HI value, the unit will beep and show "HI --" in the upper row of LCD. If the current measurement is lower than the LO value, the unit will beep and show "LO-- "...
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Page 9: Ground/Leakage Current Measurement
Ground/Leakage Current Measurement 1. Set the rotary switch to the mA or A position. 2. Place the clamp around the electrode or ground rod to be measured. 3. Read the value of leakage current displayed on the LCD. Setting the Sampling Interval 1. -
Page 10: Format Of Down Loaded Data (Det20C Only)
6. To exit this function, press the FUNC button several times until the upper row LCD shows no symbols. NOTE: The unit first sends the sampling time, then the rest of the data stored in memory is sent to the PC. Format of Down Loaded Data (DET20C only) The data is down loaded to the PC in ASCII format. -
Page 11: Enable Rs-232C Output (Det20C Only)
DET20C instrument using a specific driver. The driver may be installed from the CD or from our website www.megger.com. Download Manager receives data from the instrument and stores it in comma separated format files that can be viewed and edited with the free CSV Viewer... -
Page 12: Principle Of Operation
4. Compact driver files for quick and easy disk and internet updates 5. Full help facility NOTE: For operation of the Megger Download Manager refer to the help menu included in the software. NOTE: Selecting the DET20C driver, then clicking the "Download" button on the tool bar gives the... - Page 13 ..R Figure A Figure B ..
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Page 14: Electrical Specification
Accuracy of Reading 0.20 – 35.00 A 0.01 A ±2.0% ±0.03 A Accuracy of Resistance Calibration Plate: ±1% Data Logging Capacity: 8180 records (DET20C), 116 records (DET10C) Data Logging Interval: 1 to 255 seconds RS-232C Output: 0.5 and 1 to 255 seconds... -
Page 15: General Specifications
Carrying Box x 1 Range Selection: Auto Overload Indication: OL Accessories (DET-20C) RS-232C Cable Power Consumption: 40 mA Megger Download Manager CD Low Battery Indication: Battery Life: 3000 measurements Auto Power Down:5 minutes approx. Sampling Time: 0.5 seconds Operating Temperature: 0ºC to 50ºC (14ºF to 122ºF) -
Page 16: Battery Replacement
BATTERY REPLACEMENT When the "low battery" symbol is displayed on the LCD, replace the old battery with a new battery. Remove instrument from test piece during battery change. 1. Turn the switch to the OFF position. 2. Unfasten the battery cover screw. 3. - Page 17 New Instruments are Guaranteed for 1 Year from the Date of Purchase by the User. Note: Any unauthorized prior repair or adjustment will automatically invalidate the Warranty. Instrument Repair and Spare Parts For service requirements for Megger Instruments contact Megger Limited Megger...
- Page 18 OTHER TECHNICAL SALES OFFICES Toronto CANADA, Sydney AUSTRALIA, Madrid SPAIN, Mumbai INDIA and the Kingdom of BAHRAIN. Megger products are distributed in 146 countries worldwide. This instrument is manufactured in the United Kingdom. The company reserves the right to change the specification or design without prior notice.
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