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The super megohmmeter is a unique resistance meter designed to measure highresistance in a wide range.

The meter outputs a high test voltage – 1000 V maximum for the SM-8220/8215, and 100 V

maximum for the SM-8213 – to apply across the sample circuit.

Operators are requested to read this operation manual thoroughly before trying to operate the

instrument for safety and to prevent electrical shock and damage to the measured circuit.

Keep this manual where all staff can access it any time.

Содержание SM-8200 Series

Страница 1: ...ual SM 8213 March 2013 Revised edition 5 SM8213A981 05 13 03H SM 8215 SUPER MEGOHMMETER SM 8220 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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Страница 3: ...1000 V maximum for the SM 8220 8215 and 100 V maximum for the SM 8213 to apply across the sample circuit Operators are requested to read this operation manual thoroughly before trying to operate the instrument for safety and to prevent electrical shock and damage to the measured circuit Keep this manual where all staff can access it any time ...

Страница 4: ...he instrument to prevent injury and damage 1 1 Safety Warnings This operation manual includes some DANGER WARNING and CAUTION notice with a symbol These must be observed for safety of the operator and other persons as well as for protection of your super megohmmeter and samples from possible damage and destruction WARNING A WARNING CALLS ATTENTION TO A CONDITION OR POSSIBLE SITUATION THAT COULD CA...

Страница 5: ...ose usage needs reference to the operation manual DANGER HIGH VOLTAGE HAZARD This symbol is shown at the Rx Measuring terminals which carry a high voltage to be applied across the circuit to be measured This symbol is shown at the GND terminal on the rear of the unit If the ground prong of the power cord plug cannot be grounded this terminal must be connected to the ground 1 DANGER and WARNING Lab...

Страница 6: ...ousing cover of the instrument Even after turning off the instrument power switch a dangerous residual voltage may be present for several minutes after the power is turned off If repair or internal readjustment is needed contact your contact your dealer or Hioki representative CAUTION Before turning on the power switch for the instrument check that the VOLTAGE SELECTOR switches are set for your lo...

Страница 7: ... the instrument with a wet hand This may cause electrical shock CAUTION When moving or transporting the super megohmmeter avoid shock and vibration as much as possible For long distance transportation put the instrument in a shock absorbing carton or use the original shipping carton When not using the super megohmmeter for an extended period of time unplug the power cord from the AC line socket Pu...

Страница 8: ...resistance in both digital and analog timer and resultant GO NO judgment The following shows the main specifications for the super megohmmeters For detailed specifications see 2 SPECIFICATIONS For optional accessories see 9 OPTIONAL ACCESSORIES Main Specifications For detailed specifications see 2 SPECIFICATIONS For optional accessories see 9 OPTIONAL ACCESSORIES Measuring Voltage Ranges SM 8213 5...

Страница 9: ...ion describes the LCD display in detail for the measuring mode setting mode and operations A variety of measured value display methods are also given 6 MEASUREMENT This section provides details for function setting connection to the work to be measured and usage of a variety of optional measuring jigs and electrodes 7 RS 232C INTERFACE This section describes the application of the serial port inte...

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Страница 11: ...n d G u a r a n t e e d A c c u r a c y Ranges by Model ９ 3 OPERATING PRINCIPLE １２ 4 FAMILIARIZATION WITH CONTROLS AND PARTS １３ 4 1 Front Panel １３ 4 2 Rear Panel １５ 4 3 Measuring Display １７ 4 4 Measuring Condition Setting Display １８ 4 5 Meanings of the Status and Mode Notices １９ 5 PREPARATION FOR A MEASUREMENT ２０ 5 1 Preparation ２０ 5 2 Self calibration 1 ２１ 5 3 Self calibration 2 ２１ 5 4...

Страница 12: ...e Started ３２ 6 8 2 When Using an Optional Electrode for Plate Samples or Shield Box ３３ 7 RS 232C INTERFACE ３４ 7 1 RS 232C Communication Commands ３４ 7 2 Applications of Commands ３５ 7 3 Connector Specifications ３５ 7 4 Printer Output ３６ 8 REMOTELY CONTROLLED MEASUREMENT ３７ 9 INTRODUCTION OF OPTIONS ４０ 9 1 DC Signal Outputs ４０ 9 1 1 DC Output RP 8000 Directly proportional or linear to resist...

Страница 13: ...er cord with 3 prong plug with third for grounding Measuring rod Red 0GE00002 1 A measuring rod with a 1 meter cord to be connected to the Rx socket Measuring rod Black 0GE00001 1 A measuring rod with a 1 meter cord to be connected to the Rx socket Shorting plug 0GZ00003 1 A plug to be plugged to the HV EN socket of the rear of the instrument It is plugged to the HV EN socket when shipping from fa...

Страница 14: ...nce with Fig 1 1 If they are not set properly correct their positions accordingly To change the position of the switch insert the tip of a flat blade screwdriver into the slot of the switch lever and slide the lever upward or downward CAUTION Before connecting the power cord to the AC outlet socket confirm that the VOLTAGE SELECTOR switches on the rear panel are set to the positions accordingly Se...

Страница 15: ...tch lever to either position until it stops Do not leave the lever at a neutral position If the lever is set at a neutral position a normal function cannot be obtained and it will cause a failure CAUTION When the VOLTAGE SELECTOR switch position is changed fuse amperage must be changed to meet the requirements of the new AC line voltage Incorrect fuse amperage will cause a failure of the instrumen...

Страница 16: ...d post of the AC line system The round prong of the 3 prong plug of the power cord is the ground prong It is recommended to use an AC line socket with its third contact grounded for connection of the accessory 3 prong power cord To use the accessory 3 prong to 2 prong adapter to connect the power cord to a 2 contact AC line socket make sure to ground the green tab of the adapter WARNING To replace...

Страница 17: ...5 1 6 Warm up Period To obtain the performance of published specifications allow the SM 8200 Series super megohmmeter to warm for a minimum of 30 minutes ...

Страница 18: ...0R to 200 10R 1000 V 2 5 10R to 100 10R 500 V 1 25 10R to 50 10R 250 V 0 5 10R to 20 10R 100 V 0 25 10R to 10 10R 50 V Accuracy of target voltage 3 of set value Measuring output current 2 mA maximum Note 1 Accuracy of measurement 10 A range of 10 times of the minimum value of each range Note 2 SM 8220 RANGE 1 10 102 103 104 105 106 107 or 108 Measurement Range MΩ RANGE 10R Target Voltage 5 10R to ...

Страница 19: ...rox 100kΩ 3 HV EN High Voltage Enable Interlocking Function This function externally controls to make the output of measuring voltage on or off This function is used in combination with an interlock switch on the measuring jig so as to prevent an electrical shock during measurement 4 TIMER Function This function determines the voltage charging time and the measuring time respectively within a rang...

Страница 20: ...1 Options designed exclusive for the SM 8200 Series Name Model Printer 9442 2 Options designed for common to SM 8200 Series SM 8216 and SM 8000 Series super megohmmeters Name Model Description Electrode for plate samples SME 8310 Electrode for plate samples SME 8311 With surface volumetric selector interlock function Weight electrode SME 8320 With surface volumetric Selector Needs shield box Shiel...

Страница 21: ...５ 15V 0 075 10０ 3 00 10０ 0 750 10０ 0 075 10１ 3 00 10１ 0 750 10１ 0 075 10２ 3 00 10２ 0 750 10２ 0 075 10３ 3 00 10３ 0 750 10３ 0 075 10４ 3 00 10４ 0 750 10４ 0 075 10５ 3 00 10５ 0 750 10５ 25V 0 125 10０ 5 00 10０ 1 25 10０ 0 125 10１ 5 00 10１ 1 25 10１ 0 125 10２ 5 00 10２ 1 25 10２ 0 125 10３ 5 00 10３ 1 25 10３ 0 125 10４ 5 00 10４ 1 25 10４ 0 125 10５ 5 00 10５ 1 25 10５ 50V 0 250 10０ 10 0 10０ 2 50 10０ 0 250 10１ 10 0 1...

Страница 22: ... 00 10３ 0 500 10４ 20 0 10４ 5 00 10４ 0 500 10５ 20 0 10５ 5 00 10５ 250V 1 25 10０ 50 0 10０ 12 5 10０ 1 25 10１ 50 0 10１ 12 5 10１ 1 25 10２ 50 0 10２ 12 5 10２ 1 25 10３ 50 0 10３ 12 5 10３ 1 25 10４ 50 0 10４ 12 5 10４ 1 25 10５ 50 0 10５ 12 5 10５ 500V 2 50 10０ 100 10０ 25 0 10０ 2 50 10１ 100 10１ 25 0 10１ 2 50 10２ 100 10２ 25 0 10２ 2 50 10３ 100 10３ 25 0 10３ 2 50 10４ 100 10４ 25 0 10４ 2 50 10５ 100 10５ 25 0 10５ 1000V 5 ...

Страница 23: ...0 10７ 2 50 10７ 0 250 10８ 10 0 10８ 2 50 10８ 100V 0 500 10０ 20 0 10０ 5 00 10０ 0 500 10１ 20 0 10１ 5 00 10１ 0 500 10２ 20 0 10２ 5 00 10２ 0 500 10３ 20 0 10３ 5 00 10３ 0 500 10４ 20 0 10４ 5 00 10４ 0 500 10５ 20 0 10５ 5 00 10５ 0 500 10６ 20 0 10６ 5 00 10６ 0 500 10７ 20 0 10７ 5 00 10７ 0 500 10８ 20 0 10８ 5 00 10８ 250V 1 25 10０ 50 0 10０ 12 5 10０ 1 25 10１ 50 0 10１ 12 5 10１ 1 25 10２ 50 0 10２ 12 5 10２ 1 25 10３ 50 0 ...

Страница 24: ...r type A D converter A measured resistance value is computation processed by a CPU to display the result on a liquid crystal display LCD Fig 3 1 shows a circuit composition of the SM 8200 Series Fig 3 1 Circuit Composition Ampl ifier Ci rcui t Di scharge Supply Power High Volta ge Power Supply Switches VOLT AGESELECTOR Control Keys Signal Outpu t DC ＡＤ Conv erte r DC Current to Voltager ＡＣ Li ne ...

Страница 25: ...A press of this switch in the pushed position turns OFF the unit V OUT Indicator This indicator lights when the Rx measuring terminals carry a measuring voltage across them Rx Measuring Terminals These terminals carry a selected measuring voltage across them to measure the insulation resistance of a sample via a pair of measuring rods or electrodes Note Each of the terminals is incorporated with a...

Страница 26: ...d the V OUT indicator lights the next press of this switch discharges the sample turning off the V OUT indicator Note When the timer function is used to determine the charging period the measurement automatically starts when the set time is up MEASURE DISCHARGE Switch This switch starts a measurement of the sample in connection when it is pressed turning on the incorporated indicator and the V OUT...

Страница 27: ...change between 100 V 120 V and 220 V 240 V the power fuse amperage must be also changed accordingly AC LINE Receptacle This connects the accessory power cord TIME LAG FUSE Holder This holder contains a time lag fuse in a glass tube The amperage of the fuse must agree with the local AC line voltage from which the unit is powered AC Line Voltage Fuse Amperage 100 V 120 V 50 60 Hz 0 4 A 220 V 240 V 5...

Страница 28: ...ble Interlocking Connector This connector is provided for connection of an external interlocking switch on the measuring jig designed to block the application of a high voltage across the Rx measuring terminals for safety of the operator when the switch is in the off position If such a switch is not provided keep this connector plugged with the accessory shorting plug instead RS 232C Interface Con...

Страница 29: ... scale Analog Resistance Scale This shows the scale for the analog indicator reading When the measuring voltage is changed the scale and values are changed accordingly NO GO Comparison Judgment Indication When the NO GO comparison judgment function is set on a judgment of resultant resistance can be done referred to preset high low limits When the comparison judgment value is set to 000 the functi...

Страница 30: ...CT switch changes the status to CAL2 Highlighted Comparison and Judgment Value When the COMP comparison and judging level setting mode is selected the value is shown high lighted and the it can be changed with the UP and DOWN switches Comparison and Judgment Value Mark This heart mark is shown when the comparison and judgment function is set to on showing the position of the comparison and judgmen...

Страница 31: ...ve 2 CAL1 Calibration 1 This is shown when the RANGE selector switch is set to the CAL position 3 CAL2 Calibration 2 This is shown when the SELECT switch is pushed while the CAL1 notice is shown 4 C SET Measuring voltage charging time setting mode The time can be adjusted within a range from 0 to 999 seconds 5 M SET Measuring time setting mode The time can be adjusted within a range from 0 to 999 ...

Страница 32: ...onnector on the rear of the unit During measurement the shorting plug must be kept plugged in WARNING Before trying to plug the shorting plug into the HV EN connector be sure to turn the POWER switch OFF 5 1 Preparation Confirm the setting of the instrument in the order shown below 1 Confirm that the VOLTAGE SELECTOR switches on the rear of the unit are set to the positions in accordance with the ...

Страница 33: ...ay will show CAL1 The calibration will be verified by the internal calibration circuit Verify that the measured data display indicates a value within the range of 970 to 1 03 2 If the value falls within the normal range the self calibration is complete Set the RANGE switch to a position other than CAL If self calibration 1 yields a result within the normal range there is no need to perform self ca...

Страница 34: ...ing terminal 3 Set the RANGE selector switch to the 1 position the minimum Multiplier 4 Set the VOLTAGE SELECTOR switches to the lowest voltage available 5 Connect the measuring rods each other Do not place the measuring rods 4 anywhere 6 Push MEASURE DISCHARGE Switch 7 Confirm that the analog indicating needle is shown leftward and that the 6 indicated value is shown blinking 8 Push MEASURE DISCH...

Страница 35: ...ng Timer Setting See 6 6 1 Comparison and Judgment Value Setting See 6 6 2 See 6 3 See 6 2 5 5 Basic Procedures for a Measurement Preparation Measurement End Power ON VOLTAGE SELCTOR Switch Setting 30 minute warm up Calibration Sample Connection Control Setting Preparatory Voltage Charging Measurement See 6 1 Residual Voltage Discharge End Measuring Rods checks ...

Страница 36: ...e measurement 4 Set the RANGE selector switch to the range to be expected If there is no idea about the approximate insulation value of the sample set the selector to the 1 range Press the MEASURE switch to start a measurement Change the position of the RANGE selector switch to find the most appropriate position to read the measured value If the selector is set to a position out of the measured va...

Страница 37: ...atus of the MEASURE DISCHARGE switch can be known by the indicator Indicator ON MEASURE OFF DISCHARGE In the DISCHARGE status a resistor of approx 100 kΩ is internally inserted to discharge the charge of the sample A time required to discharge the charge of the sample depends on the capacitance of the sample When the capacitance of the sample is 1μ F it takes approx 1 seconds to reduce the residua...

Страница 38: ...y shorting plug Usage of the HV EN Connector for Interlocking Connect the HV EN connector to a switch to be actuated by the interlocking mechanism of a measuring jig via an optionally available HV EN plug connected with a cord Fig 6 4 1 shows an example interlocking circuit The optional accessories shown below have a safety interlocking switch SME 8310 Electrode for plate samples SME 8311 Electrod...

Страница 39: ...ue and make the COMP OUT G terminals are of open collector as shown as an equivalent circuit in Fig 6 5 3 Use this circuit within the conditions shown below Voltage 50 V or less Current 50 mA or less Fig 6 5 1 shows a circuit diagram for connection with the COMP OUT terminals Fig 6 5 2 shows the external input output terminal block including the COMP OUT G terminals Fig 6 5 1 Fig 6 5 2 Fig 6 5 3 G...

Страница 40: ...ig 6 6 1 1 Press the SELECT switch twice to show the M SET indication in the lower left area of the LCD for the measuring timer setting mode 2 Using the UP and DOWN switches set the time indication in the upper center area of the display to 050 seconds 3 Press the SELECT switch 3 times to return to the measuring display To accelerate the change of a value keep the corresponding UP or DOWN switch p...

Страница 41: ...r other RANGE and VOLTAGE values set desired RANGE and VOLTAGE first 6 6 3 Setting Buzzer Sound ON OFF Fig 6 6 3 1 Press the SELECT switch 4 times to show the BUZZ indication in the lower left area of the LCD for the buzzer sound ON OFF setting 2 Using the UP and DOWN switches set ON or OFF 3 Press the SELECT switch once to return to the measuring display 6 6 4 Setting Charging Time Measuring Time...

Страница 42: ...When this level is OK press the SELECT switch to enter it This action provides the buzzer sound on off setting mode showing the BUZZ indication 10 Using the UP and or DOWN switches set ON or OFF for the buzzer Fig 6 6 3 11 Press the SELECT switch to end the measuring condition setting mode and go back to the measurement screen After setting the measuring conditions as shown in the example press th...

Страница 43: ...t and leakage current and it is generally called dielectric absorption phenomena The equivalent circuit of an insulator is considered as shown in Fig 6 7 1 Fig 6 7 1 When a voltage is applied to the circuit a charging current flows through a bank of capacitors C0 C1 C2 Cn Firstly C0 is charged and other capacitors follow As the charging progresses the current through R0 constantly flows as shown i...

Страница 44: ...of C0 in Fig 6 7 1 but generally it can be said to be 5 to 6 times longer than the time of test voltage charging 6 8 Connectivity Precautions 6 8 1 When the Screen Shows LOCK and Measurement Cannot Be Started The super megohmmeter can output measurement voltages of up to 1 000 V Consequently failure to wire the instrument correctly may pose hazards such as electric shock The instrument provides an...

Страница 45: ...nd the ground lead from the adapter 2 Connect the option s red cable to the instrument s Rx terminal and the option s black cable to the instrument s Rx terminal 3 Remove the shorting plug from the HV EN connector on the rear of the instrument 4 Connect the interlock HV EN plug from the electrode for plate samples or the shield box to the HV EN connector on the rear of the instrument 5 When using ...

Страница 46: ... 000 to 999 C R L F Example G 120 C R L F Response 0 valid or 1 in valid P Judgment Level Setting Format P 000 to 999 C R L F Example P 100 C R L F Response 0 valid or 1 in valid B Judgment Buzzer Setting Format B OFF 0 or ON 1 C R L F Example B 1 Response 0 valid or status U Measuring Condition Output Format UC R L F Response Range Voltage inter locking Status Example 4 1000 0 2 C R L F Range 0 t...

Страница 47: ...tarted as soon as the charging is completed 4 For a P command if a value out of the specified measuring range is received without an actual setting 7 3 Connector Specifications Type of Connector HDBE 9PF 05 Hirose Type of Lock Fitting HD LNA 4 40 inch type Pin Arrangement Direction of Signal Flow Pin No Signal Line Megohmmeter External Unit Application 1 NC No connection 2 TD Transmission data 3 R...

Страница 48: ...output to an optional printer 9442 Printer Output Procedures 1 Connect the RS 232C interface connector on the rear of the unit to the optional printer via the dedicated connection cord 2 Set the measuring intervals as needed See Fig 6 6 1 3 Press the MEASURE switch 4 When the measurement is completed the measured data are output to the printer Example Measured Data 10 0 104 MΩ GO judgment Printing...

Страница 49: ...EMOTE IN of the External Input Output terminal block on the rear of the unit When the terminals are shorted by a remote switch a measurement will start and when opened the measurement is ended Fig 8 1 1 shows an example wiring and the signal timing Fig 8 1 2 shows the external input output terminal block Signal Timing REMOTE IN OFF OFF ON Fig 8 1 2 Fig 8 1 1 ...

Страница 50: ...38 ...

Страница 51: ...atically start when the charging time set with the timer is up Note that when the closed G and terminals are opened before the time up of the timer the opening of the G and terminals has a priority over the time set with the timer Note 3 When both the charging time and measuring time are set with the incorporated timer the timer has a priority over a remote control When the REMOTE IN G and termina...

Страница 52: ... resistance An insulation resistance can be obtained when the measuring voltage is divided by the current flowing through the circuit When the measuring voltage is constant if the insulation resistance is doubled the current flowing through the circuit is halved The RP 8000 DC output is designed to convert the measured insulation resistance into a DC signal directly proportional to the resistance ...

Страница 53: ... service 3 Output voltage These tables show the relations between displayed value of super megohmmeter and output voltage of RP 8000 Target voltage 5V Displayed value 0 025 0 125 0 25 Output voltage 1V 5V 10V Target voltage 10V Displayed value 0 05 0 25 0 5 Output voltage 1V 5V 10V Target voltage 15V Displayed value 0 075 0 375 0 75 Output voltage 1V 5V 10V Target voltage 25V Displayed value 0 125...

Страница 54: ...ng through the sample is halved and the output voltage is also halved when the insulation resistance R is doubled This relation can be expressed as 1 R The RI 8000 provides this type of DC signal output 1 Specifications Output Range Full range of the measuring range of the SM 8200 Series super megohmmeter Output Voltage 10V minimum value 1 V 10 times minimum value Output Accuracy Within 10 of disp...

Страница 55: ...tput voltage of RI 8000 Target voltage 5V Displayed value 0 025 0 05 0 25 Output voltage 10V 5V 1V Target voltage 10V Displayed value 0 05 0 1 0 5 Output voltage 10V 5V 1V Target voltage 15V Displayed value 0 075 0 15 0 75 Output voltage 10V 5V 1V Target voltage 25V Displayed value 0 125 0 25 1 25 Output voltage 10V 5V 1V Target voltage 50V Displayed value 0 25 0 5 2 5 Output voltage 10V 5V 1V Tar...

Страница 56: ...ed value 5 10 50 Output voltage 10V 5V 1V Example SM 8220 Target voltage 100V RANGE 103 Measurement range 0 5 103 MΩ to 20 103 MΩ Output voltage of RI 8000 Output range 0 5 103 MΩ to 5 103 MΩ Output voltage 10V 0 5 103 MΩ 1V 5 103 MΩ ...

Страница 57: ...asuring terminals and input output terminal board with soft cloth 3 Visually check the LCD display for brightness and clearness 4 Check the action of the switches and pushbutton switches for smooth and trouble free operation 5 Measure the measuring voltage across the Rx measuring terminals With a voltmeter The voltage should be within 3 of the selected value 10 2 Storage Transportation and Abandon...

Страница 58: ...46 11 EXTERNAL APPEARANCE Unit mm Approx 139 H Approx Approx Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com ...

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