Keithley 8009, Instruction Manual

Page 1: ...re Instruction Manual Contains Operating and Servicing Information Keithl 2877 440 1 ww Printed in the U S A 8009 901 01 Rev C A GREATER MEASURE OF CONFIDENCE 99 Washington Street Melrose MA 02176 800...

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Page 3: ...Y IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE THE REMEDIES PROVIDED HEREIN ARE BUYER S SOLE AND EXCLUSIVE REMEDIES NEITHER KEITHLEY INSTRUMENTS INC NOR ANY OF ITS EMPLOYEES SHA...

Page 4: ...ley s express written consent not apply to fuses problems arising THIS IMPLIED FITN BUYER S NEITHER KEITHLEY IN SHALL BE LIABLE CONSEQUENTIAL DA MEN ADVISED IN EXCLUDED DAMAGES SHA OF REMOVAL A INJURY...

Page 5: ...rs for possible wear cracks or breaks before each use For maximum safety do not touch the product test cables or any other instru ments while power is applied to the circuit under test ALWAYS remove p...

Page 6: ...onnected to humans Maintenance should be performed by qualified service personnel Before per forming any maintenance disconnect the line cord and all test cables The following safety precautions shoul...

Page 7: ...in 54mm diameter 2 125 in conductive rubber pad Electrode Material Type 303 Stainless Pad Durometer 70 Shore A Pad Resistivity Volume 10 square max Sample Size Min 63 5mm diameter 2 5 in surface Samp...

Page 8: ...1 2 8 Electrification time 11 2 9 Resistivity measurement procedure 12 Section 3 Derivation of Resistivity Equations 3 1 Introduction 13 3 2 Calculating resistivity 13 3 3 Resistivity nomographs 15 3...

Page 9: ...the Model 8009 test fixture 9 Figure 2 4 Connecting the Model 6517B Electroemter High Resistivity Meter to the Model 8009 test fixture 10 Section 3 Derivation of Resistivity Equations Figure 3 1 Basi...

Page 10: ...Section 2 Operati Figu Figu Figu Figu Section 3 Figure 3 1 Figure Figu Figure 3 4 Section 4 Maintenance Table 4 1 Model 8009 replaceable parts list 22 ii iii List of Tables List of Illustrations...

Page 11: ...Test 18 ure is to a ter V at is 1 iv 1 Blank page...

Page 12: ...517 are also valid for the Model 6517A Model 8009 features All electrodes made from stainless steel for corrosion prevention Switchable volume surface resistivity modes Operates with Keithley Instrume...

Page 13: ...oltages The WARNING heading indicates hazards that may cause personal injury or death Always read over the information very carefully before performing the procedure The CAUTION heading explains hazar...

Page 14: ...input triax connector 4 Turn off the voltage source before connecting or disconnecting wires or cables in the test system 5 Use the supplied triax cable and test leads to ensure that no conductive sur...

Page 15: ...le is a two t are ew ew The n is 517 ILC 3 2 Operation 4 5 Blank page...

Page 16: ...ws the inside of the test fixture where the sample is mounted The front view shows the pushbutton switch that is used to select the desired resistivity test The side view shows the test fixture connec...

Page 17: ...nced 7B oy the resistance rce as e to can be made record Figure 2 1 Model 8009 resistivity test fixture 6 7...

Page 18: ...y All the Model 8009 electrode constants are programmed into Models 6517 and 6517B A built in high voltage source provides test voltages up to 1000 volts Models 6517 and 6517B offer special features f...

Page 19: ...s are listed in the specifications NOTE Do not handle the insulator sample with bare fingers Body oil will provide a conductive path and may corrupt the measure ment The use of acetate rayon gloves is...

Page 20: ...ink on the Model 6517 must be removed Proper grounding will be performed by the Model 8009 2 5 Model6517BConnections Refer to Figure 2 4 to connect the Model 6517B to the Model 8009 test fixture The t...

Page 21: ...the test fixture Y 2 3 le are 100V he ost nts urement the Model 6517 must be on lest way to DUT excessive ine the detailed e Model the ement is taken For example for an ken after p in Unless Model 65...

Page 22: ...ke the most accurate resistivity measurement the Model 6517 must be on the most sensitive optimum current measurement range The simplest way to achieve this is by placing the Model 6517 in autorange I...

Page 23: ...fixture as shown in Figure 2 3 Model 6517 or Figure 2 4 Model 6517B See sections 2 4 and 2 5 for details WARNING To prevent electrical shock that could cause injury or death make sure that the interl...

Page 24: ...aphs see figures 3 2 and 3 3 can be used to approximate resistivity This section also shows how to derive the equations used to calculate resistivity 3 2 Calculatingresistivity The following equations...

Page 25: ...n inches I is the current reading from the Electrometer Surface Resistivity Surface resistivity is defined as the electrical resistance of the surface of an insulator material It is measured from elec...

Page 26: ...esistivity Surface Resistivity The surface resistivity nomograph Figure 3 2 is made up of three scales voltage resistivity and current Perform the following steps to determine resistivity 1 Plot the t...

Page 27: ...d current value on the current scale 5 Draw a straight line from where the first line intersects the graph line to the plotted current value 6 Read the volume resistivity value in ohm cm from where th...

Page 28: ...d as follows Equation 1 Where R is the volume resistance in ohms t is the average thickness of the sample A is the effective area of the guarded electrode for the particular electrode arrangement empl...

Page 29: ...ions that are used in Section 2 to calculate volume resistivity are realized or The ASTM standard states that surface resistivity shall be calculated as follows Equation 3 Where R is the surface resis...

Page 30: ...ed electrode see Figure 3 1 is 2 125 inches Thus P 2 125 By substituting the values for g and P into Equation 3 it then looks like this Sur face resistance R is derived by dividing the applied test vo...

Page 31: ...of the ked out the thanol t the electrodes from getting nicked and These Inc When ordering and the rvice if desired Call the Repair RMA IR y 20 21 4 Maintenance Blank page...

Page 32: ...alled between the electrodes This will help prevent the surfaces of the electrodes from getting nicked and scratched 4 3 Replaceableparts Table 4 1 lists the replaceable parts that are available for t...

Page 33: ...NANA JACK RED DRAW LATCH FOOT BLACK MOLDED POLY GROUND STRAP HANDLE INSULATOR TEFLON PLATE BASE POGO PIN PUSHBUTTON RING ELECTRODE SAMPLE SILICONE ADHESIVE SPACER NYLON SPACER PLATE SPRING LEAF SWITCH...

Page 34: ...Unstable Will not read applied input Overload Calibration only Calibration certificiate required Data required attach any additional sheets as necessary Show a block diagram of your measurement system...

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