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ADWEL DRM-100 User Manual Download Page 26

Measuring with the DRM-100 

 

Page 17 

 

 

 
 

 

Measuring with 

the DRM-100 

Preparation 

Locating the DRM-100 

Find a convenient location for the DRM-100. 

•

 

It should be within 10-15 feet of all device 
connections. 

•

 

Horizontal mounting will allow easy access to the 
front panel for reading and adjusting.  

•

 

Be sure not to block the ventilation openings on the 
rear edge of the front panel. 

•

 

Protect front panel from moisture (rain). 

Setting Input Voltage 

 The DRM-100 has a universal power supply. Before 
connecting the DRM-100, ensure the source voltage is 
within the specified range of 90 V to 265 V -50/60 Hz. 

Chapter 

3 

Summary of Contents for DRM-100

Page 1: ...User Manual Model DRM 100 Digital Resistance Meter ADWEL International Limited an IRIS Power Company...

Page 2: ...rity of ADWEL International Limited ReporteR is a trademark of ADWEL International Ltd Head Office ADWEL International Ltd an IRIS Power Company 3110 American Drive Mississauga ON L4V 1T2 Canada Tel 9...

Page 3: ...es 1 Options and Accessories 3 DRM 100 accessories 3 Getting to Know the DRM 100 4 Front Panel Components 4 Power Entry Module with Main Switch 4 Grounding Earth Terminal 5 LCD Screen 5 Buttons 5 Curr...

Page 4: ...100 17 Setting Input Voltage 17 Connecting to Device 18 Starting the DRM 100 19 Operation Sequence 20 Select the Test Current I SET 20 Select the Measurement Time t SET 20 Testing Procedures 21 Conven...

Page 5: ...on the equipment and in the manual 4 Follow all operating instructions Safety Symbols In this manual the safety symbol with an exclamation point alerts you to operating and maintenance instructions t...

Page 6: ...rgized and all parts of the test circuit are grounded Keep other people away from test activities with suitable barricades or warnings Treat all terminals of high voltage power equipment as potential...

Page 7: ...with safety Emergency button which activation interrupts all output voltages Power Source The DRM 100 operates from a single phase power source It requires a two pole three terminal live neutral and g...

Page 8: ...ore plugging in the three wire power cord make sure the receptacle is properly wired and has a ground contact Do not bypass the grounding connection Any interruption of the grounding connection can cr...

Page 9: ...Phone 1 905 677 4824 Fax 1 905 677 8498 www www irispower com e mail techsupport irispower com Or Europe office Phone 44 1923 254433 Fax 44 1923 218278 www www irispower com Any Comments We re intere...

Page 10: ...he resulting voltage drop is measured and used to calculate resistance True 4 terminal Kelvin measurement method The operator moves the test cables from phase to phase until all three are tested NOTE...

Page 11: ...zed EHV substations where high electrical and magnetic fields are frequently present The DRM 100 instrument was also designed to function accurately and reliably with up to 1000 VAC of noise present o...

Page 12: ...es The DRM 100 comes with these standard accessories Current Test Leads Potential Test Leads Ground lead Main input power cord suitable for location DRM 100 instrument User Manual this document The op...

Page 13: ...of the DRM 100 and how to navigate the system Front Panel Components Power Entry Module with Main Switch Power Entry Module is located on the top left corner of front panel Main power switch and fuse...

Page 14: ...conditions like current time and measured resistance Buttons On the left side of LCD screen are 4 membrane buttons They are used to select the time and current settings and to Start or Stop the test I...

Page 15: ...s cycle constitutes the complete timed test sequence When the test current reaches the selected value the instrument shows the measured value of resistance If this button is pressed in the middle of t...

Page 16: ...th red highlighted text EMERGENCY STOP The button latches in the stop position To release the button twist it clockwise RS 232 Connector This connector is used for calibration and testing purposes onl...

Page 17: ...nsists of two pages namely Startup page and Main page The contents of these pages are described below Startup Screen On start up a window appears with the ADWEL logo the instrument name serial number...

Page 18: ...and easy to read 41 2 digit measured resistance Resistance Displays The bottom area is reserved to show the resistance measurement It shows resistance in micro ohms or milli ohms m depending upon the...

Page 19: ...0 to 60 seconds for all currents Continuous Resistance Test The instrument can be set to provide a continuous test current so that resistance may be continuously monitored This is achieved by setting...

Page 20: ...that may be read This allows measurement of higher resistances at lower currents The relationship between the selected test current and the maximum possible resistance value is shown below The maximum...

Page 21: ...Start This message reminds the user to select an appropriate current and time before pressing the biggest membrane button START STOP button to start the test During this message the instrument is in...

Page 22: ...sent during ramping up of the current and while holding the pre selected current during the acquisition time The user can stop or interrupt the test sequence at any time during this period by pressing...

Page 23: ...p to zero A new test cannot be started until the button is reset Release of the emergency button clears the message Low Current Flow This message appears if instrument cannot reach specified current o...

Page 24: ...he test Internal Temp High The DRM 100 has high temperature internal protection Inside the case are two types of fans One internal fan works only if the internal temperature rises over 25 C The second...

Page 25: ...Chapter 2 Getting to Know the DRM 100 Page 16...

Page 26: ...Horizontal mounting will allow easy access to the front panel for reading and adjusting Be sure not to block the ventilation openings on the rear edge of the front panel Protect front panel from mois...

Page 27: ...tacts remain closed throughout the test When making connections to a device it is very important that the surface contacts be as clean as possible If the readings during the test appear erratic rechec...

Page 28: ...ns must be electrically within the current lead connections Starting the DRM 100 Turn on the power switch A welcome window appears with the DRM 100 logo It also displays the company address details al...

Page 29: ...p to 60 seconds in increments of one second If the user presses the up arrow button the time value will increase up to 60s or enter a continuous mode infinite symbol and loop back to 10s and so on If...

Page 30: ...n the DRM 100 and connect the large alligator clamps to the terminals of the EUT Connect the potential leads to the voltage input sockets on the DRM 100 and connect the small alligator clamps to the s...

Page 31: ...ermine the resistance of the section between the potential leads Although the DRM 100 is capable of measuring resistance with several hundred volts of common mode noise on the current outputs and volt...

Page 32: ...ust the time to infinity symbol Press the START STOP test start button The DRM 100 will ramp up the current to the selected test current in 2 3 seconds and then hold the current until the operator pre...

Page 33: ...ent 20A Test Time From 10s to 60s in 1s steps 10 100A Infinite test time at 20A Ramp time 2 to 3 seconds related with selected current and load Resistance Measurement One auto ranging channel Resistan...

Page 34: ...m 2 awg 65 20m 2 awg Maximum 15 m at 100A Housing Rugged waterproof case IP 67 Weight Test Instrument 9 kg 20 lb excluding leads Dimension Test Instrument 47 cm x 35 7 cm x 17 6 cm 18 x 14 x 6 15 16 i...

Page 35: ...Certificate Page 26 CE Declaration of Conformity Appendix B...

Page 36: ...roduction Options All Conforms to the following Directives through compliance to standard Electromagnetic Compatibility Council Directive 2004 108 EC EN 61326 1 1997 Class A Safety Council Directive 7...

Page 37: ...tinuous Resistance Test 10 Conventional Mode 21 Current Receptacles 6 Current versus Resistance Ranges 11 Customer Service ix D Dimension 25 Down Arrow button 6 E Emergency Stop Button 7 Environmental...

Page 38: ...s 12 R Ramp time 24 Resistance Displays 9 Resistance Measurement24 resistance ranges 10 Resistance Ranges 24 Resolution 24 Ripple 24 S Safety built in safety precautions vii high voltage safety vi pow...

Page 39: ...Appendix C Index Page 30 U Up Arrow button 5 V Voltage Receptacles 6 W Warning messages 12 14 Weight 25...

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